Walking Ballista [Aether Revolt] XY181 Koth Type: Enchantment — Aura

Koth Type: Enchantment — Aura Rarity: Common Cost: {U} Enchant creature

Set: Black & White: Boundaries Crossed Type: Item Rarity: Secret Rare

Set: EX: Holon Phantoms Type: Metal Rarity: Common Retreat cost: Colorless

Set: Base Set 2 Type: Psychic Rarity: Rare Retreat cost: Colorless

Set: Urza's Legacy Type: Creature — Human Cleric Rarity: Uncommon Cost: {W} {T}: Target creature you control gains protection from the color of your choice until end of turn

Walking Ballista [Aether Revolt] XY181 Koth Type: Enchantment — AuraSet: Aether Revolt 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.