Demise Supreme Armageddon

Menace, lifelink
If Demise, Supreme King of Armageddon leaves the battlefield, you may pay {w}{b}. If you do, return it to your hand instead of putting it into your graveyard.
Whenever Demise deals combat damage to a player, you
may exile target nonland permanent that player controls.
{2}{w}{b},Pay 5 life: Destroy all other creatures. Each opponent loses life equal to the number of creatures destroyed this way.