Clockwork Beetle is a common Artifact Creature — Insect card from Mirrodin (MRD), collector number 153. Current market price: $0.13 (foil $0.47), TCGplayer market prices via Scryfall.
This creature enters with two +1/+1 counters on it. Whenever this creature attacks or blocks, remove a +1/+1 counter from it at end of combat.