Jolting Merfolk is a uncommon Creature — Merfolk card from Nemesis (NEM), collector number 34. Current market price: $0.17 (foil $2.50), TCGplayer market prices via Scryfall.
Fading 4 (This creature enters with four fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.) Remove a fade counter from this creature: Tap target creature.