Instigator Gang

Creature — Human Werewolf

Attacking creatures you control get +1/+0.
At the beginning of each upkeep, if no spells were cast last turn, transform this creature.
2/3

Creature — Werewolf

Trample
Attacking creatures you control get +3/+0.
At the beginning of each upkeep, if a player cast two or more spells last turn, transform this creature.
5/5