Tachyon Deck Breakdown

DARK 8

While this card is in your hand or GY, if you control 2 or more LIGHT and/or DARK Dragon monsters: You can Special Summon this card in Defense Position, but banish it when it leaves the field. During your Main Phase: You can make all monsters you currently control become Level 8, until the end of this turn. You can only use each effect of "Galactic Spiral Dragon" once per turn.

LIGHT 8

If a Dragon Xyz Monster declares an attack: Attach this card on the field to it as material. You can only use each of the following effects of "Galaxy-Eyes Tachyon Primal" once per turn. If a Dragon Xyz Monster is on the field (Quick Effect): You can Special Summon this card from your hand to either field. If this card is Normal or Special Summoned: The owner of this card adds 1 "Tachyon" Spell/Trap from their Deck to their hand.

WIND 8

If you control "King's Sarcophagus", you can Special Summon this card (from your GY). You can only Special Summon "Hapi, Guidance of Horus" once per turn this way. If another card(s) you control leaves the field by an opponent's card effect, while this card is in your Monster Zone (except during the Damage Step): You can target 2 cards that are banished and/or in the GYs; either add both to the hand or shuffle both into the Deck. You can only use this effect of "Hapi, Guidance of Horus" once per turn.

DARK 8

If you control "King's Sarcophagus", you can Special Summon this card (from your GY). You can only Special Summon "Imsety, Glory of Horus" once per turn this way. You can only use each of the following effects of "Imsety, Glory of Horus" once per turn. You can send 2 cards from your hand to the GY, including this card; add 1 "King's Sarcophagus" from your Deck to your hand, then you can draw 1 card. If another card(s) you control leaves the field by an opponent's card effect, while this card is in your Monster Zone (except during the Damage Step): You can send 1 card on the field to the GY.

FIRE 8

Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand) to your opponent's field by Tributing 2 monsters they control. You cannot Normal Summon/Set the turn you Special Summon this card. Once per turn, during your Standby Phase: Take 1000 damage.

LIGHT 8

You can reveal this card and 1 other Level 8 Dragon monster in your hand; Special Summon both in Defense Position, but negate their effects, also you cannot Normal or Special Summon monsters for the rest of this turn, except LIGHT or DARK Dragon monsters. You can banish this card from your GY, then target 1 Level 4 LIGHT or DARK Dragon monster in your GY; add it to your hand. You can only use each effect of "Nebula Dragon" once per turn.

DARK 8

If you control no monsters, or your opponent controls a monster with 2000 or more ATK: You can Special Summon this card from your hand, and if you do, Special Summon 1 Level 8 LIGHT or DARK Dragon monster from your Deck in Defense Position, except "Schwarzschild Infinity Dragon", but negate its effects. You can only use this effect of "Schwarzschild Infinity Dragon" once per turn, also you cannot Special Summon from the Extra Deck the turn you activate this effect, except Dragon Xyz Monsters.

DARK

2 Dragon monsters During the Battle Phase (Quick Effect): You can banish this card from your field or GY, then target 1 "Number" Xyz Monster you control whose original Attribute/Type are LIGHT/Dragon; until the end of the Battle Phase, its ATK becomes equal to the value of the "Number" in its name x 100, also any battle damage your opponent takes is halved. During your opponent's End Phase: You can choose 1 card from your Deck and place it on top of your Deck. You can only use each effect of "Galaxy Satellite Dragon" once per turn.

LIGHT

2 Level 8 monsters If this card is Special Summoned from the Extra Deck: You can add 1 "Galaxy" or "Tachyon" card from your Deck to your hand. You can detach 2 materials from this card; Special Summon from your Extra Deck, 1 Rank 8 Dragon Xyz Monster with 3000 ATK, using this card you control as material (this is treated as an Xyz Summon, transfer its materials to the Summoned monster), then you can attach 1 "Galaxy" monster from your Extra Deck to it. You can only use each effect of "Divine Golden Shadow Dragon Dragluxion" once per turn.

LIGHT

3 Level 9 monsters You can also Xyz Summon this card by using a Rank 8 "Galaxy-Eyes" Xyz Monster you control as material. (Transfer its materials to this card.) Cannot be used as material for an Xyz Summon. Once per turn: You can detach 1 material from this card, then target 1 card on the field; destroy it. If this Xyz Summoned card you control, is destroyed by battle with an opponent's attacking monster, or destroyed by an opponent's card effect, and sent to your GY: You can target 1 "Galaxy-Eyes Cipher Dragon" in your GY; Special Summon it.

LIGHT

2 Level 8 monsters Once per turn: You can detach 1 Xyz Material from this card, then target 1 face-up monster your opponent controls; monsters you control cannot attack your opponent directly for the rest of this turn, except this card, also take control of the targeted monster until the End Phase, but while this effect is applied, it has its effects negated, its ATK becomes 3000, also its name becomes "Galaxy-Eyes Cipher Dragon".

LIGHT

3 Level 8 monsters You can also Xyz Summon this card by using a "Galaxy-Eyes" Xyz Monster you control as material, except "Galaxy-Eyes Full Armor Photon Dragon". (Transfer its materials to this card.) Once per turn: You can target up to 2 Equip Cards equipped to this card; attach them to this card as material. Once per turn: You can detach 1 material from this card, then target 1 face-up card your opponent controls; destroy it.

LIGHT

2 Level 8 monsters Once per Battle Phase, at the start of your Battle Phase: You can detach 1 material from this card; all other face-up monsters currently on the field have their effects negated, also their ATK/DEF become their original ATK/DEF, and if you do any of these, during the Battle Phase this turn, each time an opponent's card effect resolves, this card gains 1000 ATK until the end of the Battle Phase, also, it can make a second attack during each Battle Phase this turn.

LIGHT

2 Level 8 monsters Once per turn, when a Spell Card or effect is activated on the field (Quick Effect): You can negate that effect, and if you do, attach that card to this card as material. When an opponent's monster declares an attack: You can detach 1 material from this card; change the attack target to this card and perform damage calculation. If a face-up Xyz Monster(s) you control is destroyed by battle or card effect: You can target 1 face-up Xyz Monster you control; it gains ATK equal to 1 of those destroyed monster's original ATK.

DARK

2 Level 12 monsters During the turn, or turn after, your opponent Special Summoned 2 or more monsters from the Extra Deck, you can also Xyz Summon this card by using 1 monster you control with the highest ATK (your choice, if tied). (Transfer its materials to this card.) If you do, you cannot Normal or Special Summon monsters for the rest of this turn. While this Xyz Summoned monster is on the field, neither player can activate the effects of monsters with 3000 or more ATK. Once per turn: You can detach 1 material from this card; return 1 monster from the field to the hand.

Spell Quick

Send any number of other cards from your hand and/or field to the GY; choose that many Effect Monsters your opponent controls, and until the end of this turn, their ATK is halved, also their effects are negated. In response to this card's activation, your opponent cannot activate cards, or the effects of cards, with the same original type (Monster/Spell/Trap) as the cards sent to the GY to activate this card. You can only activate 1 "Forbidden Droplet" per turn.

Spell Continuous

"Horus" monsters you control cannot be destroyed by card effects that do not target them. You can send 1 card from your hand to the GY; send 1 "Horus" monster from your Deck to the GY. You can only use this effect of "King's Sarcophagus" up to four times per turn. Once per turn, at the start of the Damage Step, if your "Horus" monster battles an opponent's monster: You can send that opponent's monster to the GY.

Spell Field

All "Gravekeeper's" monsters gain 500 ATK and DEF. Cards in the Graveyard cannot be banished. Negate any card effect that would move a card in the Graveyard to a different place. Negate any card effect that changes Types or Attributes in the Graveyard.

Trap Normal

Target 1 Dragon "Galaxy" monster you control; until the end of this turn, it cannot be destroyed by battle, also it is unaffected by other card effects, except its own. You can only activate 1 "Tachyon Spiral Galaxy" per turn. If you control a "Galaxy-Eyes Tachyon Dragon" monster, you can activate this card from your hand.

Trap Counter

If you control a "Galaxy-Eyes" monster: Negate the activations of your opponent's Spell/Trap Cards and monster effects activated before this card in this Chain, and if you do, shuffle the negated cards on the field into the Deck. If you control a "Galaxy-Eyes Tachyon Dragon" monster, you can activate this card from your hand.

LIGHT 8

If a Dragon Xyz Monster declares an attack: Attach this card on the field to it as material. You can only use each of the following effects of "Galaxy-Eyes Tachyon Primal" once per turn. If a Dragon Xyz Monster is on the field (Quick Effect): You can Special Summon this card from your hand to either field. If this card is Normal or Special Summoned: The owner of this card adds 1 "Tachyon" Spell/Trap from their Deck to their hand.

WIND 8

If you control "King's Sarcophagus", you can Special Summon this card (from your GY). You can only Special Summon "Hapi, Guidance of Horus" once per turn this way. If another card(s) you control leaves the field by an opponent's card effect, while this card is in your Monster Zone (except during the Damage Step): You can target 2 cards that are banished and/or in the GYs; either add both to the hand or shuffle both into the Deck. You can only use this effect of "Hapi, Guidance of Horus" once per turn.

DARK 8

If you control "King's Sarcophagus", you can Special Summon this card (from your GY). You can only Special Summon "Imsety, Glory of Horus" once per turn this way. You can only use each of the following effects of "Imsety, Glory of Horus" once per turn. You can send 2 cards from your hand to the GY, including this card; add 1 "King's Sarcophagus" from your Deck to your hand, then you can draw 1 card. If another card(s) you control leaves the field by an opponent's card effect, while this card is in your Monster Zone (except during the Damage Step): You can send 1 card on the field to the GY.

FIRE 8

Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand) to your opponent's field by Tributing 2 monsters they control. You cannot Normal Summon/Set the turn you Special Summon this card. Once per turn, during your Standby Phase: Take 1000 damage.

DARK 8

If you control no monsters, or your opponent controls a monster with 2000 or more ATK: You can Special Summon this card from your hand, and if you do, Special Summon 1 Level 8 LIGHT or DARK Dragon monster from your Deck in Defense Position, except "Schwarzschild Infinity Dragon", but negate its effects. You can only use this effect of "Schwarzschild Infinity Dragon" once per turn, also you cannot Special Summon from the Extra Deck the turn you activate this effect, except Dragon Xyz Monsters.

LIGHT

2 Level 8 monsters If this card is Special Summoned from the Extra Deck: You can add 1 "Galaxy" or "Tachyon" card from your Deck to your hand. You can detach 2 materials from this card; Special Summon from your Extra Deck, 1 Rank 8 Dragon Xyz Monster with 3000 ATK, using this card you control as material (this is treated as an Xyz Summon, transfer its materials to the Summoned monster), then you can attach 1 "Galaxy" monster from your Extra Deck to it. You can only use each effect of "Divine Golden Shadow Dragon Dragluxion" once per turn.

LIGHT

2 Level 8 monsters Once per turn: You can detach 1 Xyz Material from this card, then target 1 face-up monster your opponent controls; monsters you control cannot attack your opponent directly for the rest of this turn, except this card, also take control of the targeted monster until the End Phase, but while this effect is applied, it has its effects negated, its ATK becomes 3000, also its name becomes "Galaxy-Eyes Cipher Dragon".

LIGHT

3 Level 8 monsters You can also Xyz Summon this card by using a "Galaxy-Eyes" Xyz Monster you control as material, except "Galaxy-Eyes Full Armor Photon Dragon". (Transfer its materials to this card.) Once per turn: You can target up to 2 Equip Cards equipped to this card; attach them to this card as material. Once per turn: You can detach 1 material from this card, then target 1 face-up card your opponent controls; destroy it.

LIGHT

2 Level 8 monsters Once per Battle Phase, at the start of your Battle Phase: You can detach 1 material from this card; all other face-up monsters currently on the field have their effects negated, also their ATK/DEF become their original ATK/DEF, and if you do any of these, during the Battle Phase this turn, each time an opponent's card effect resolves, this card gains 1000 ATK until the end of the Battle Phase, also, it can make a second attack during each Battle Phase this turn.

LIGHT

2 Level 8 monsters Once per turn, when a Spell Card or effect is activated on the field (Quick Effect): You can negate that effect, and if you do, attach that card to this card as material. When an opponent's monster declares an attack: You can detach 1 material from this card; change the attack target to this card and perform damage calculation. If a face-up Xyz Monster(s) you control is destroyed by battle or card effect: You can target 1 face-up Xyz Monster you control; it gains ATK equal to 1 of those destroyed monster's original ATK.

DARK

2 Level 12 monsters During the turn, or turn after, your opponent Special Summoned 2 or more monsters from the Extra Deck, you can also Xyz Summon this card by using 1 monster you control with the highest ATK (your choice, if tied). (Transfer its materials to this card.) If you do, you cannot Normal or Special Summon monsters for the rest of this turn. While this Xyz Summoned monster is on the field, neither player can activate the effects of monsters with 3000 or more ATK. Once per turn: You can detach 1 material from this card; return 1 monster from the field to the hand.

Spell Quick

Send any number of other cards from your hand and/or field to the GY; choose that many Effect Monsters your opponent controls, and until the end of this turn, their ATK is halved, also their effects are negated. In response to this card's activation, your opponent cannot activate cards, or the effects of cards, with the same original type (Monster/Spell/Trap) as the cards sent to the GY to activate this card. You can only activate 1 "Forbidden Droplet" per turn.

Spell Continuous

"Horus" monsters you control cannot be destroyed by card effects that do not target them. You can send 1 card from your hand to the GY; send 1 "Horus" monster from your Deck to the GY. You can only use this effect of "King's Sarcophagus" up to four times per turn. Once per turn, at the start of the Damage Step, if your "Horus" monster battles an opponent's monster: You can send that opponent's monster to the GY.

Spell Field

All "Gravekeeper's" monsters gain 500 ATK and DEF. Cards in the Graveyard cannot be banished. Negate any card effect that would move a card in the Graveyard to a different place. Negate any card effect that changes Types or Attributes in the Graveyard.

Trap Normal

Target 1 Dragon "Galaxy" monster you control; until the end of this turn, it cannot be destroyed by battle, also it is unaffected by other card effects, except its own. You can only activate 1 "Tachyon Spiral Galaxy" per turn. If you control a "Galaxy-Eyes Tachyon Dragon" monster, you can activate this card from your hand.

Trap Counter

If you control a "Galaxy-Eyes" monster: Negate the activations of your opponent's Spell/Trap Cards and monster effects activated before this card in this Chain, and if you do, shuffle the negated cards on the field into the Deck. If you control a "Galaxy-Eyes Tachyon Dragon" monster, you can activate this card from your hand.