Clockwork Condor is a common Artifact Creature — Bird card from Mirrodin (MRD), collector number 154. Current market price: $0.06 (foil $0.25), TCGplayer market prices via Scryfall.
Flying This creature enters with three +1/+1 counters on it. Whenever this creature attacks or blocks, remove a +1/+1 counter from it at end of combat.