Grimoire Thief

Creature - Merfolk Rogue 2/2, UU (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.

{U}, Sacrifice Grimoire Thief: Turn all cards exiled with Grimoire Thief face up. Counter all spells with those names.¹
Illus. Randy Gallegos

Gatherer Card Rulings [Nov 2009]

• 4/1/2008: The only cards you turn face up are the cards exiled with the Grimoire Thief that was sacrificed.
• 4/1/2008: The last ability counters all spells on the stack with any of the appropriate names, no matter who controls them.
• 4/1/2008: If a split card is turned face up, the ability counters all spells with the same name as either side of that split card.
• 4/1/2008: As long as Grimoire Thief is on the battlefield, its controller can look at all cards it exiled, even if those cards were exiled while someone else controlled Grimoire Thief.
• 4/1/2008: After Grimoire Thief is sacrificed to pay for its last ability, but before the exiled cards are turned face up, the exiled cards can't be looked at.

Format Legality	Legal in Vintage, Legacy, Extended, MTGO Classic Banned in Standard
Printings (1/10)	Morningtide (Rare)