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 - $31.00
Lightly Played Foil - $29.40
Moderately Played Foil - $27.90
Heavily Played Foil - $24.80
Damaged Foil - $20.10
NM-Mint Foil Non English - $31.00
Lightly Played Foil Non English - $29.40
Moderately Played Foil Non English - $27.90
Heavily Played Foil Non English - $24.80
Damaged Foil Non English - $20.10