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.
NM-Mint Foil - $21.60
Lightly Played Foil - $20.50
Moderately Played Foil - $19.40
Heavily Played Foil - $17.30
Damaged Foil - $14.00
NM-Mint Foil Non English - $21.60
Lightly Played Foil Non English - $20.50
Moderately Played Foil Non English - $19.40
Heavily Played Foil Non English - $17.30
Damaged Foil Non English - $14.00