Walking Ballista [Aether Revolt] SV93 Once assembled (with the help

Once assembled (with the help of Professor Burnet)

Set: EX: Crystal Guardians Type: Lightning Rarity: Rare Retreat cost: Colorless

Set: Neo Revelation 1st Edition Type: Colorless Rarity: Holo Rare Retreat cost: Colorless

Put one pile into your hand and the other into your graveyard

it gets -4/+4 until end of turn

Walking Ballista [Aether Revolt] SV93 Once assembled (with the helpSet: 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.