Immerwolf is a uncommon Creature — Wolf card from Dark Ascension (DKA), collector number 141. Current market price: $0.48 (foil $6.23), TCGplayer market prices via Scryfall.
Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.) Each other creature you control that's a Wolf or a Werewolf gets +1/+1. Non-Human Werewolves you control can't transform.