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 - £15.10
Lightly Played - £12.90
Moderately Played - £10.60
Heavily Played - £7.60
Damaged - £4.60
Near Mint Non English - £15.10
Lightly Played Non English - £12.90
Moderately Played Non English - £10.60
Heavily Played Non English - £7.60
Damaged Non English - £4.60