Fenrir, the Everwolf

Eminence - At the beginning of your upkeep,
if Fenrir, the Everwolf is in the command zone
or on the battlefield, you may transform any
number of Werewolf creatures you control.
Trample, Haste
{2}{r}{g}, {t}: Fenrir, the Everwolf deals damage
equal to its power to target creature and you
gain that much life.