Cloudfin Raptor is a common Creature — Bird Mutant card from Ravnica Remastered (RVR), collector number 37. Current market price: $0.22 (foil $0.37), TCGplayer market prices via Scryfall.
Flying Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)