If you control a "Galaxy-Eyes Tachyon Dragon" monster, you can activate this card from your hand. During the Battle Phase: Detach 1 material from your "Galaxy-Eyes" Xyz Monster; shuffle all monsters your opponent controls that were Normal or Special Summoned this turn into the Deck. If you control a "Number C" monster, this card's activation and effect cannot be negated. You can only activate 1 "Lord of the Tachyon Galaxy" per turn.
Reveal 1 "Number" Xyz Monster in your Extra Deck that has a number between "101" and "107" in its name; add 1 monster from your Deck to your hand with the same Type or Attribute as that monster, and the same Level as that monster's Rank, then place 1 card from your hand on top of the Deck, also for the rest of this turn after this card resolves, you cannot Special Summon from the Extra Deck, except Xyz Monsters. You can only activate 1 "Seventh Tachyon" per turn.
When a face-up "Galaxy" Xyz Monster(s) you control is destroyed by battle with an opponent's attacking monster, or by an opponent's card effect, and sent to your Graveyard: Destroy as many face-up cards your opponent controls as possible, and if you do, banish them. During your Draw Phase, if this card is in your Graveyard, instead of conducting your normal draw: You can banish this card, then target 1 "Galaxy" Xyz Monster in your Graveyard; Special Summon that target.
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.
Activate 1 of these effects (but you can only use each effect of "Tachyon Spiral of Destruction" once per turn);
● If you control a "Galaxy" Xyz Monster: Destroy all face-up cards your opponent controls whose effects are negated.
● Target 1 "Tachyon" card in your GY, except "Tachyon Spiral of Destruction"; add it to your hand.
● Target 1 Dragon "Number" monster in your GY; Special Summon it in Defense Position.
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.