Walking Ballista [Aether Revolt] DP38 Set: Conspiracy: Take the Crown

Set: Conspiracy: Take the Crown Type: Artifact Rarity: Rare Cost: {3} Whenever a player plays a land

Set: World Championships 2011 Type: Item Rarity: Uncommon

Set: EX: Unseen Forces Type: Fighting Rarity: Rare Retreat cost: Colorless

Set: POP Series 2 Type: Grass Rarity: Rare Retreat cost: Colorless

you may put target creature card from an opponent's graveyard onto the battlefield under your control

Walking Ballista [Aether Revolt] DP38 Set: Conspiracy: Take the CrownSet: 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.