name: Clockwork Avian
originalText: Clockwork Avian comes into play with four +1/+0 counters on it.
  Clockwork Avian can't have more than four +1/+0 counters on it.
  At end of combat, if Clockwork Avian attacked or blocked this turn, remove a +1/+0 counter from it.
  {X}, ocT: Put X +1/+0 counters on Clockwork Avian. Play this ability only during your upkeep.
printings: 4BB, 4ED, ATQ, BTD, ME4, REN, RIN
text: Flying
  This creature enters with four +1/+0 counters on it.
  At end of combat, if this creature attacked or blocked this combat, remove a +1/+0 counter from it.
  {X}, {T}: Put up to X +1/+0 counters on this creature. This ability can't cause the total number of +1/+0 counters on this creature to be greater than four. Activate only during your upkeep.
type: Artifact Creature — Bird