Tachyon Deck Breakdown

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.

DARK 8

If your opponent controls a monster with 2000 or more ATK, you can Special Summon this card (from your hand).

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 4

You can send any number of Dragon monsters from your hand and/or face-up field to the GY; add 1 Dragon monster from your Deck to your hand, whose Level equals the total original Levels of those monsters sent to the GY. You can banish this card from your GY, then target 1 Level 8 LIGHT or DARK Dragon monster in your GY; add it to your hand. You can only use each effect of "Starliege Seyfert" once per turn.

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.

DARK

2 Level 8 monsters Gains 100 ATK and DEF for each monster in the GYs. Once per turn: You can detach 1 material from this card; until the end of your opponent's next turn, this card cannot be destroyed by card effects, also neither player can Special Summon monsters from the GYs.

Spell Quick

Target 1 face-up monster on the field; until the end of this turn, that target loses 800 ATK, but is unaffected by the effects of other Spells/Traps.

LIGHT 1

During your opponent's Main Phase (Quick Effect): You can send this card from your hand to the GY, then target 1 Effect Monster your opponent controls; negate the effects of that face-up monster your opponent controls, until the end of this turn.

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.

Spell Normal

Discard 1 Level 8 monster; draw 2 cards.

DARK

2 Level 8 monsters You can only Special Summon "Dingirsu, the Orcust of the Evening Star(s)" once per turn. You can also Xyz Summon this card by using an "Orcust" Link Monster you control as material. If a card(s) you control would be destroyed by battle or card effect, you can detach 1 material from this card instead. If this card is Special Summoned: You can activate 1 of these effects; ● Send 1 card your opponent controls to the GY. ● Attach 1 of your banished Machine monsters to this card as material.

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

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 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

3 Level 9 monsters Once per turn: You can detach 1 Xyz Material from this card; until the end of this turn, negate the effects of all other face-up cards currently on the field, also your opponent cannot activate cards or effects on the field. If this card has "Number 107: Galaxy-Eyes Tachyon Dragon" as an Xyz Material, it gains this effect. ● You can Tribute 2 monsters; this card can make up to 3 attacks on monsters during each Battle Phase this turn.

LIGHT 8

If you control a Level 8 monster, you can Normal Summon this card without Tributing.

LIGHT 1

During your opponent's Main Phase (Quick Effect): You can send this card from your hand to the GY, then target 1 Effect Monster your opponent controls; negate the effects of that face-up monster your opponent controls, until the end of this turn.

DARK

2 Level 8 monsters You can only Special Summon "Dingirsu, the Orcust of the Evening Star(s)" once per turn. You can also Xyz Summon this card by using an "Orcust" Link Monster you control as material. If a card(s) you control would be destroyed by battle or card effect, you can detach 1 material from this card instead. If this card is Special Summoned: You can activate 1 of these effects; ● Send 1 card your opponent controls to the GY. ● Attach 1 of your banished Machine monsters to this card as material.

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

3 Level 9 monsters Once per turn: You can detach 1 Xyz Material from this card; until the end of this turn, negate the effects of all other face-up cards currently on the field, also your opponent cannot activate cards or effects on the field. If this card has "Number 107: Galaxy-Eyes Tachyon Dragon" as an Xyz Material, it gains this effect. ● You can Tribute 2 monsters; this card can make up to 3 attacks on monsters during each Battle Phase this turn.

Spell Quick

Target 1 face-up monster on the field; until the end of this turn, that target loses 800 ATK, but is unaffected by the effects of other Spells/Traps.

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.