Skitter Eel is a common Creature — Fish Crab card from Ravnica Allegiance (RNA), collector number 53. Current market price: $0.06 (foil $0.29), TCGplayer market prices via Scryfall.
{2}{U}: Adapt 2. (If this creature has no +1/+1 counters on it, put two +1/+1 counters on it.)