Knowledge Pool [Mirrodin Besieged] Dragon Skeleton Create a number of 1/1

Create a number of 1/1 red Brainiac creature tokens equal to the result

"The light of beauty protects our journeys through darkness

"I do as I please

and then suddenly

Whenever a land enters the battlefield under an opponent's control

Knowledge Pool [Mirrodin Besieged] Dragon Skeleton Create a number of 1/1Set: 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.