Steam Vents [Secret Lair Drop Series] Mirrodin Promos Set: Legends Type: Artifact Rarity:

Set: Legends Type: Artifact Rarity: Rare Cost: {4} {4}

This ability can't cause the total number of +1/+0 counters on Clockwork Beast to be greater than seven

sacrifice Chromium unless you pay {W}{U}{B}

Set: Beta Edition Type: Instant Rarity: Rare Cost: {W} Cast this spell only during combat before blockers are declared

When there are no creatures on the battlefield

Steam Vents [Secret Lair Drop Series] Mirrodin Promos Set: Legends Type: Artifact Rarity:Set: Secret Lair Drop Series Type: Land Island Mountain Rarity: Rare ({T}: Add {U} or {R}.) As Steam Vents enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped. Despite being abandoned for millennia, the Thran ironworks still occasionally sputter to life.