Thief of Sanity [Guilds of Ravnica Prerelease Promos] 15th Anniversary Each time you or your

Each time you or your opponent activates 1 Spell Card

Set: Structure Deck: HERO Strike Card type: Fusion/Effect Monster Rarity: Super Rare Attack: 2400 Defense: 1800 Must be Special Summoned with "Mask Change" and cannot be Special Summoned by other ways

Set: Force of the Breaker Card type: Normal Spell Rarity: Ultimate Rare Activate only when there are 2 or more "Crystal Beast" cards in your Spell & Trap Card Zone

Set: Speed Duel: Destiny Masters Card type: Counter Trap Rarity: Common When a Trap Card is activated: Pay 1000 LP

Every story

Thief of Sanity [Guilds of Ravnica Prerelease Promos] 15th Anniversary Each time you or yourSet: Guilds of Ravnica Prerelease Promos Type: Creature Specter Rarity: Rare Cost: {1}{U}{B} Flying Whenever Thief of Sanity deals combat damage to a player, look at the top three cards of that player's library, exile one of them face down, then put the rest into their graveyard. You may look at and cast that card for as long as it remains exiled, and you may spend mana as though it were mana of any type to cast that spell.