Walking Ballista [Aether Revolt Prerelease Promos] Turtle Sacrifice Powder Keg: Destroy each

Sacrifice Powder Keg: Destroy each artifact and creature with mana value equal to the number of fuse counters on Powder Keg

then destroy target creature of an opponent's choice

" —Lord Windgrace

put them onto the battlefield tapped

At the beginning of the upkeep of enchanted land's controller

Walking Ballista [Aether Revolt Prerelease Promos] Turtle Sacrifice Powder Keg: Destroy eachSet: Aether Revolt Prerelease Promos Type: Artifact Creature Construct Rarity: Rare Cost: {X}{X} Walking Ballista enters the battlefield with X +1 +1 counters on it. {4}: Put a +1 +1 counter on Walking Ballista. Remove a +1 +1 counter from Walking Ballista: It deals 1 damage to any target.