Walking Ballista [Aether Revolt] ]Lightning[-30] you can select and activate

you can select and activate 1 of these effects

Set: EX: Team Rocket Returns Type: Lightning

Set: Speed Duel: Battle City Box Card type: Normal Trap Rarity: Secret Rare Take 1 Field Spell from your Deck

" —Multani

including at least 1 “Orcust” monster This linked card cannot be destroyed by battle

Walking Ballista [Aether Revolt] ]Lightning[-30] you can select and activateSet: 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.