Dronain, Alpha of the Isles

Trample, Double-Faced (Exile this card at the start of the game and when this card transforms into Dronain, Mob Leader.)
Non-human werewolf creatures you control have +1/+1 and haste
When Dronain, Alpha of the Isles enters the battlefield, put a 3/3 red and green werewolf token creature with trample on the battlefield.
At the beginning of your upkeep, if four or more spells were cast last turn, transform Dronain, Alpha of the Isles.