Losheel, Clockwork Scholar is a uncommon Legendary Creature — Elephant Artificer card from Commander Masters (CMM), collector number 38. Current market price: $3.22 (foil $3.07), TCGplayer market prices via Scryfall.
Prevent all combat damage that would be dealt to attacking artifact creatures you control. Whenever one or more artifact creatures you control enter, draw a card. This ability triggers only once each turn.