Steam Vents [Guilds of Ravnica] Jace Other non-Human creatures you control

Other non-Human creatures you control get +1/+1 and have undying

{4}: Create two 0/1 colorless Eldrazi Spawn creature tokens

you might as well trade it for something else

Morph {U} (You may cast this card face down as a 2/2 creature for {3}

Set: Alliances Type: Artifact Creature — Phyrexian Construct Rarity: Rare Cost: {6} When Phyrexian Devourer's power is 7 or greater

Steam Vents [Guilds of Ravnica] Jace Other non-Human creatures you controlSet: 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