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Knowledge Pool [Mirrodin Besieged]
| Set: | Mirrodin Besieged |
| Type: | Artifact |
| Cost: | {6} |
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.
