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.
Near Mint - $10.80
Lightly Played - $9.80
Played - $7.60
Heavily Played - $6.50
Damaged - $5.40
Near Mint Non-English - $10.80
Lightly Played Non-English - $9.80
Played Non-English - $7.60
Heavily Played Non-English - $6.50
Damaged Non-English - $5.40