Reade of the Blood Pack

Nightbound, Menace, First Strike, Lifelink
Whenever this creature transforms into Reade of
the Blood Pack or enters the battlefield,
transform each creature you control that doesn't
have Nightbound. Those creatures are 4/4 red
and green Werewolf creatures with Menace, Lifelink, and Nightbound.
Attacking werewolves you control have +2/+1.