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 Foil - £23.70
Lightly Played Foil - £20.20
Moderately Played Foil - £16.60
Heavily Played Foil - £11.90
Damaged Foil - £7.10
Near Mint Foil Non English - £23.70
Lightly Played Foil Non English - £20.20
Moderately Played Foil Non English - £16.60
Heavily Played Foil Non English - £11.90
Damaged Foil Non English - £7.10