Steam Vents [Guilds of Ravnica] Guildpact destroy all permanents with that

destroy all permanents with that spell's mana value

Set: Tenth Edition Type: Instant Rarity: Rare Cost: {3}{R}{R}{R} As an additional cost to cast this spell

Their lust for battle was so great that they didn't care their enemies wore their own faces

tap all red creatures

Steam Vents [Guilds of Ravnica] Guildpact destroy all permanents with thatSet: Guilds of 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. "A massive new Izzet building project with an unstated purpose? Probably fine." Zija, Simic mutationist