Canyon Crab is a uncommon Creature — Crab card from Outlaws of Thunder Junction (OTJ), collector number 40. Current market price: $0.08 (foil $0.29), TCGplayer market prices via Scryfall.
{1}{U}: This creature gets +2/-2 until end of turn. At the beginning of your end step, if you haven't cast a spell from your hand this turn, draw a card, then discard a card.