Walking Ballista [Aether Revolt Prerelease Promos] Turtle Set: Mirrodin Type: Creature —

Set: Mirrodin Type: Creature — Elemental Rarity: Rare Cost: {3}{U}{U} {U}: Quicksilver Elemental gains all activated abilities of target creature until end of turn

if an opponent controls more lands than you

put them onto the battlefield tapped

then destroy target creature of an opponent's choice

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

Walking Ballista [Aether Revolt Prerelease Promos] Turtle Set: Mirrodin Type: Creature —Set: 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.