Thief of Sanity (Promo Pack) [Guilds of Ravnica Promos] Effect monster Embalm {3}{G} ({3}{G}

Embalm {3}{G} ({3}{G}

Special Summon 1 Fusion Monster from your Extra Deck that lists a "Cyber Dragon" monster as material

When this card is Special Summoned by this effect

"I'm not sure which is more pathetic

" replied Teferi

Thief of Sanity (Promo Pack) [Guilds of Ravnica Promos] Effect monster Embalm {3}{G} ({3}{G}Set: 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.