Grid Monitor [Mirrodin] Junior Series Europe You can only activate 1

You can only activate 1 "Pot of Duality" per turn

Set: Ancient Guardians Card type: Pendulum/Effect Monster Rarity: Collector's Rare Attack: 2100 Defense: 1400 While you have an even Pendulum Scale in your Pendulum Zone

or leaves the field because of your card effect

other monsters cannot change their battle positions or attack

Set: Duel Terminal 3 Card type: Quick Play Spell Rarity: Super Rare Attack: 0 Defense: 0 Select up to 3 removed from play monsters and return them to their owner's Graveyards

Grid Monitor [Mirrodin] Junior Series Europe You can only activate 1Set: Mirrodin Type: Artifact Creature Construct Rarity: Rare Cost: {4} You can't cast creature spells. The vedalken protect the Knowledge Pool at any cost.