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 - $1,080.00
Lightly Played - $1,030.00
Moderately Played - $920.00
Heavily Played - $810.00
Damaged - $760.00
Near Mint Spanish - $1,080.00
Lightly Played Spanish - $1,030.00
Moderately Played Spanish - $920.00
Heavily Played Spanish - $810.00
Damaged Spanish - $760.00