Walking Ballista [Aether Revolt] Tempest when a card or effect

when a card or effect is activated that targets a "Blue-Eyes" monster(s) you control: You can banish this card from your Graveyard

The original ATK of this card becomes 800 x the number of Link Materials used for its Link Summon

When this card is Ritual Summoned: You can banish all other cards on the field and in the Graveyards

other monsters cannot change their positions or attack

Walking Ballista [Aether Revolt] Tempest when a card or effectSet: 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.