Damnations Judgement

Exile all demons on the battlefield and then
activate effects based on the number exiled.
•12 or more: you win the game.
•7 or more: exile all creatures.
•5 or more: search your library for a non-demon creature and place it on the battlefield under
your control.
{bull}3 or more: each opponent loses 7 life.
{bull}1 or more: you draw 4 cards.