Knowledge Pool [Mirrodin Besieged] Lx2 (Create a colorless Clue artifact

(Create a colorless Clue artifact token with "{2}

then target 1 Machine Xyz Monster you control

you can equip this card to a face-up Warrior-Type monster you control

Set: Sword & Shield: Evolving Skies Type: Fighting Rarity: Ultra Rare Retreat cost: Colorless

Set: Legendary Decks II Card type: Effect Monster Rarity: Ultra Rare Attack: 0 Defense: 0 You can Tribute this card

Knowledge Pool [Mirrodin Besieged] Lx2 (Create a colorless Clue artifactSet: 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.