Briggs, Fangblade

Whenever this creature transforms into Briggs, Fangblade, transform all Humans. Werewolf creatures cannot transform as long as you control Briggs, Fanglade.
{3}{r}{g/w}{t} Briggs, Fangblade fights target creature
you don't control.
At the beginning of each upkeep, if a player cast
three or more spells last turn, transform Briggs, Fangblade.