Territorial Witchstalker is a common Creature — Wolf card from Wilds of Eldraine (WOE), collector number 189. Current market price: $0.18 (foil $0.20), TCGplayer market prices via Scryfall.
Defender At the beginning of combat on your turn, if you control a creature with power 4 or greater, this creature gets +1/+0 until end of turn and can attack this turn as though it didn't have defender.