Siege Behemoth [CMA - 144] Stronghold Can he save the city

Can he save the city and still make it to date night with MJ

Whenever one or more permanent cards are put into your graveyard from anywhere while this creature has a -1/-1 counter on it

and Megami Device series

Whenever a nontoken creature is put into your graveyard from the battlefield

Attack 1: [GG] Hazard Stinger (40)

Siege Behemoth [CMA - 144] Stronghold Can he save the cityRarity: R #: 144 Creature Type or Sub Type: Creature Beast P: 7 T: 4 Rules Text Contains: Hexproof As long as Siege Behemoth is attacking, for each creature you control, you may have that creature assign its combat damage as though it weren't blocked. Flavor: "Hold the line, hold the li" General Srok, last words