Werewolves' Altar

Werewolves' Altar enters the battlefield tapped
unless an opponent controls a creature.
{t}: Add {r}, {g} or {b}.
{3}{r}, Sacrifice a creature: Creatures you control
gain +1/+1, trample and haste. Wolves and
Werewolves you control get an additional +1/+0.
"Nothing beats sharing a lamb in the moonlight."