Sir Badass of badass badassery

All player's can't cast spells unless they pay five
life and sacrifice a creature for each spell cast.
This spell can't be countered.
Reach, trample, vigilance, haste, annihilator 10.
take an extra turn, werewolves you control
have populate, vigilance and trample.
When this spell enters play, populate x times,
copies of this spell you create, arn't legendary.
Suspend{10}
Everyone fears something,
so what do you fear Ashiok?