Steam Vents [Return to Ravnica] Mercadian Masques ) Your opponents can't block

) Your opponents can't block with creatures with even converted mana costs

Set: Legends Type: Instant Rare Cost: {3}{W} Cast this spell only before blockers are declared

"Your enemies may be cowardly

Set: Magic 2010 Type: Artifact Rare Cost: {5} Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it

you gain 1 life for each spell you've cast this turn

Steam Vents [Return to Ravnica] Mercadian Masques ) Your opponents can't blockSet: Return to Ravnica Type: Land Island Mountain Rare Cost: ({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. Crafted with genius, energized with madness.