Vilkas, The Feral Moon

Trample, Haste. Blood moon

Whenever Vilkas attacks alone, you may sacrifice a creature you control. If you do, create X 2/2 wolf creature tokens equal to that creatures power.

Sacrifice another werewolf or wolf you control: Creatures you control get +x/+0 til end of turn where x is the number of wolf/werewolf’s you control. Activate only once per turn