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Knowledge Pool (Mirrodin Besieged)
Descripción
Tipo: Artifact
Coste de Maná: {6}
Imprint — When this artifact enters, 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 this artifact without paying its mana cost.
