Walking Ballista [Aether Revolt] Legendary Creature Each player creates a 1/1

Each player creates a 1/1 black Rat creature token for each 1 life they paid this way

you may pay {2}

Sacrifice Buried Ruin: Return target artifact card from your graveyard to your hand

Set: Urza's Saga Type: Instant Rarity: Uncommon Cost: {B} Until end of turn

At the beginning of each upkeep

Walking Ballista [Aether Revolt] Legendary Creature Each player creates a 1/1Set: 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.