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 - $9.50
Lightly Played - $8.60
Played - $6.70
Heavily Played - $5.70
Damaged - $4.80
Near Mint Non-English - $9.50
Lightly Played Non-English - $8.60
Played Non-English - $6.70
Heavily Played Non-English - $5.70
Damaged Non-English - $4.80