Walking Ballista [Aether Revolt Prerelease Promos] XY117 Set: EX: Team Magma vs

Set: EX: Team Magma vs Team Aqua Type: Grass Rarity: Common Retreat cost: Colorless

Set: New Phyrexia Type: Legendary Creature — Phyrexian Praetor Rarity: Mythic Cost: {6}{G}{G} Trample

Set: EX: Dragon Type: Colorless Rarity: Rare Retreat cost: Colorless

Set: Gym Heroes 1st Edition Type: Lightning Rarity: Rare Retreat cost: Colorless

Walking Ballista [Aether Revolt Prerelease Promos] XY117 Set: EX: Team Magma vsSet: 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.