Mirrodin Besieged Foil: Knowledge Pool

Edition:	Mirrodin Besieged
Type:	Artifact
Cast:
Rarity:	R
Collector #:	111
Imprint - When Knowledge Pool enters the battlefield, each player exiles the top three cards of their library. Whenever a player casts a spell from their hand, that player exiles it. If the player does, they may cast a spell from among other cards exiled with Knowledge Pool without paying its mana cost.