Walking Ballista [Aether Revolt] Swamp Forest Set: Structure Deck: Freezing Chains

Set: Structure Deck: Freezing Chains Card type: Effect Monster Rarity: Common Attack: 1600 Defense: 2200

you can Special Summon 1 of your removed from play "Elemental Hero" monsters

When an opponent's monster declares an attack: You can return this card to the hand

Set: Ninth Edition Type: Instant Rarity: Uncommon Cost: {X}{R} Target creature gets +X/+0 until end of turn

or banished

Walking Ballista [Aether Revolt] Swamp Forest Set: Structure Deck: Freezing ChainsSet: 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.