Alani the Packcaller

At the beginning of your upkeep, if an opponent
didn't cast a spell last turn transform Alani the
Packcaller.
At the beginning of each opponents end step, if
that player cast 3 or more spells last turn,
transform all other creatures you control.
{r/g} {t}: Transform another target creature. If that
creature became a werewolf, draw a card.