Grimoire Thief

Grimoire Thief

Creature - Merfolk Rogue | Power/Toughness: 2 / 2 (CMC 2)
Whenever Grimoire Thief becomes tapped, exile the top three cards of target opponent's library face down.
You may look at cards exiled with Grimoire Thief.
, Sacrifice Grimoire Thief: Turn all cards exiled with Grimoire Thief face up. Counter all spells with those names.