Walking Ballista [Aether Revolt Prerelease Promos] XY117 remove all +1 [Power] counters

remove all +1 [Power] counters from Duskblade

(Aura cards that can't enchant a creature on the battlefield remain in your graveyard

Set: Alpha Edition Type: Creature — Merfolk Rarity: Rare Cost: {U}{U} Other Merfolk get +1/+1 and have islandwalk

Set: Gym Heroes 1st Edition Type: Lightning Rarity: Rare Retreat cost: Colorless

but their effects are negated

Walking Ballista [Aether Revolt Prerelease Promos] XY117 remove all +1 [Power] countersSet: Aether Revolt Prerelease Promos 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.