Walking Ballista [Aether Revolt] Plains Island At the beginning of your

At the beginning of your end step

When a creature put onto the battlefield with this scheme dies

Search its owner's graveyard

change Halfdane's base power and toughness to the power and toughness of target creature other than Halfdane until the end of your next upkeep

Partner (You can have two commanders if both have partner

Walking Ballista [Aether Revolt] Plains Island At the beginning of yourSet: 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.