Sven, Canid Mentor

Wolf and werewolf creatures you control get
+2 /+2. {g}{r}: Transform another target werewolf.
If no spells were cast last turn, transform
Sven.
Transform -> 6/8 If a werewolf you control would transform,
you may choose not to transform it instead.
Whenever a werewolf you control transforms,
create a 2/2 wolf creature token.
{g}{r}: Transform target werewolf.