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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. |