Treva, the Renewer (Pro Tour) [Pro Tour Promos] Guilds of Ravnica Remove a +1/+1 counter from

Remove a +1/+1 counter from Walking Ballista: It deals 1 damage to any target

Sacrifice a creature: Put a +1/+1 counter on Carrion Feeder

{T}: Desert deals 1 damage to target attacking creature

"you'll see a kidney and a spleeny

Set: Dragons of Tarkir Prerelease Promos Type: Legendary Creature — Elder Dragon Rarity: Mythic Cost: {4}{B}{R} Flying

Treva, the Renewer (Pro Tour) [Pro Tour Promos] Guilds of Ravnica Remove a +1/+1 counter fromSet: Pro Tour Promos Type: Legendary Creature Dragon Rarity: Rare Cost: {3}{G}{W}{U} Flying Whenever Treva, the Renewer deals combat damage to a player, you may pay {2}{W}. If you do, choose a color, then you gain 1 life for each permanent of that color.