Steam Vents [Return to Ravnica] Urza's and all permanents you own

and all permanents you own into your library

Set: Portal Three Kingdoms Type: Legendary Creature — Human Soldier Warrior Rarity: Rare Cost: {2}{B}{B} Horsemanship (This creature can't be blocked except by creatures with horsemanship

whenever an attacking creature deals combat damage to you

You may look at and play that card for as long as it remains exiled

Set: Scars of Mirrodin Promos Type: Artifact Creature — Construct Rarity: Uncommon Cost: {0} Reminders of Memnarch's reign still skirr across Mirrodin

Steam Vents [Return to Ravnica] Urza's and all permanents you ownSet: Return to Ravnica 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. Crafted with genius, energized with madness.