Blastoise EX (29/146) [XY: Base Set] Oversize Cards Set: Mystery Booster Type: Instant

Set: Mystery Booster Type: Instant Rarity: Rare Cost: {3}{U}{U} You may exile a blue card from your hand rather than pay this spell's mana cost

Put target card from a graveyard on top of its owner's library

When Treachery enters the battlefield

that mana becomes colorless instead

Tribute this face-up card on your side of the field to destroy all Attack Position monsters on your opponent''s side of the field and inflict damage to your opponent''s Life Points equal to the combined original ATK of those destroyed monster(s)

Blastoise EX (29/146) [XY: Base Set] Oversize Cards Set: Mystery Booster Type: InstantSet: XY: Base Set Type: Water Rarity: Ultra Rare Retreat cost: Colorless,Colorless,Colorless