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 - £16.80
Lightly Played - £14.30
Moderately Played - £11.80
Heavily Played - £8.40
Damaged - £5.10
Near Mint Non English - £16.80
Lightly Played Non English - £14.30
Moderately Played Non English - £11.80
Heavily Played Non English - £8.40
Damaged Non English - £5.10