Steam Vents [Return to Ravnica] Zombie Naga you may remove any number

you may remove any number of +1/+1 counters from Tetravus

Set: Worldwake Type: Creature — Kor Artificer Rarity: Rare Cost: {1}{W} When Stoneforge Mystic enters the battlefield

Set: Scourge Type: Creature — Zombie Rarity: Uncommon Cost: {2}{B}{B} Zombie spells you cast cost {1} less to cast

Set: Amonkhet Invocations Type: Enchantment — Aura Rarity: Mythic Cost: {1}{U}{U} Enchant creature with mana value 2 or less

If a spell cast this way would be put into a graveyard

Steam Vents [Return to Ravnica] Zombie Naga you may remove any numberSet: 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.