Arlinn, Voice of the Pack is a uncommon Legendary Planeswalker — Arlinn card from War of the Spark (WAR), collector number 150. Current market price: $0.30 (foil $0.42), TCGplayer market prices via Scryfall.
Each creature you control that's a Wolf or a Werewolf enters with an additional +1/+1 counter on it. −2: Create a 2/2 green Wolf creature token.