Grip of Amnesia

Instant, 1U (2)
Counter target spell unless its controller exiles all cards from his or her graveyard.
Draw a card.¹
"Would you abandon your past to save your future?" - Ambassador Laquatus
Illus. Bradley Williams

Gatherer Card Rulings [Nov 2009]

• 10/4/2004: You can choose to exile all cards from your graveyard even if it has no cards in it.

Format Legality	Legal in Vintage, Legacy Banned in Extended, Standard
Printings (1/6)	Judgment (Common)