Knowledge Pool [Mirrodin Besieged] Undead While a monster is face-up

While a monster is face-up on the field

Set: Eventide Type: Instant Rarity: Uncommon Cost: {2}{U/R} Creatures your opponents control get -1/-0 until end of turn if {U} was spent to cast this spell

give your opponent control of this Defense Position card by moving it to their zone adjacent to the target

This card cannot attack during the turn it is Summoned

Knowledge Pool [Mirrodin Besieged] Undead While a monster is face-upSet: Mirrodin Besieged Type: Artifact Rarity: Rare 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.