Damping Matrix [Mirrodin] Conflux they never lacked volunteers

they never lacked volunteers

Set: Magic 2015 Type: Artifact Rarity: Uncommon Cost: {3} Whenever you cast a black spell or a Swamp enters the battlefield under your control

{T}: The next time you would draw a card this turn

Set: Commander 2014 Type: Creature — Sphinx Rarity: Rare Cost: {5}{U}{U} Flying

Set: Avacyn Restored Type: Creature — Demon Rarity: Rare Cost: {2}{B}{B} Flying

Damping Matrix [Mirrodin] Conflux they never lacked volunteersSet: 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.