Damping Matrix [Mirrodin] XY29 during either player's turn: You

during either player's turn: You can pay 500 LP

Destroy each permanent completely covered by those cards

If this card is destroyed by card effect: You can Special Summon 1 non-WATER Wyrm-Type monster from your Deck in Defense Position

Set: Structure Deck: Machina Mayhem Card type: Normal Trap Rarity: Common Attack: 0 Defense: 0 After activation

add that much mana in any combination of {R} and/or {G}

Damping Matrix [Mirrodin] XY29 during either player's turn: YouSet: Mirrodin Type: Artifact Rarity: Rare Cost: {3} Activated abilities of artifacts and creatures can't be activated unless they're mana abilities. The priests tried cursing it. The mages tried dispelling it. In the end, they all obeyed it.