Flying Clockwork Avian enters the battlefield with four +1/+0 counters on it. At end of combat, if Clockwork Avian attacked or blocked this combat, remove a +1/+0 counter from it. {X}, {T}: Put up to X +1/+0 counters on Clockwork Avian. This ability can't cause the total number of +1/+0 counters on Clockwork Avian to be greater than four. Activate only during your upkeep.
Near Mint - £18.50
Lightly Played - £15.70
Moderately Played - £12.90
Heavily Played - £9.30
Damaged - £5.60
Near Mint Non English - £18.50
Lightly Played Non English - £15.70
Moderately Played Non English - £12.90
Heavily Played Non English - £9.30
Damaged Non English - £5.60