Thief of Sanity (Promo Pack) [Guilds of Ravnica Promos] SM118 You can then equip it

You can then equip it to a monster on the field

Quarterfinals — defeated Baxter (2-0)

the triumph of the mind

cast it without paying its mana cost

Thief of Sanity (Promo Pack) [Guilds of Ravnica Promos] SM118 You can then equip itSet: Guilds of Ravnica 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.