Time Wizard [DB2-EN038] Super Rare TB1-077 you'll find:

you'll find:

Set: Dark Beginning 1 Card type: Continuous Trap Rarity: Super Rare Select 1 monster from your Graveyard and Special Summon it in face-up Attack Position

After resolving a card effect that targets this face-up card

If this card has "Number 107: Galaxy-Eyes Tachyon Dragon" as an Xyz Material

but it becomes an invaluable ally once you earn its trust

Time Wizard [DB2-EN038] Super Rare TB1-077 you'll find:Set: Dark Beginning 2 Card type: Effect Monster Rarity: Super Rare Attack: 500 Defense: 400 Toss a coin and call it. If you call it right, destroy all monsters your opponent's side of the field. If you call it wrong, destroy all monsters on your side of the field, and you lose Life Poins equal to half the total ATK of the destroyed monsters. You can only use this effect once per turn, during your Main Phase.