Steam Vents [Guilds of Ravnica Promos] Kaladesh Promos Set: Champions of Kamigawa Type:

Set: Champions of Kamigawa Type: Enchantment Rare Cost: {2}{G}{G} Whenever one or more creatures you control deal combat damage to a player

Thus the volume you hold was written

Set: Collectors’ Edition Type: Instant Rare Cost: {2}{U} Tap all lands target player controls and that player loses all unspent mana

If each of those creatures could block all creatures that the other is blocking

in this time of rebirth

Steam Vents [Guilds of Ravnica Promos] Kaladesh Promos Set: Champions of Kamigawa Type:Set: Guilds of Ravnica Promos 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. "A massive new Izzet building project with an unstated purpose? Probably fine." Zija, Simic mutationist