Althiem, Royal Assassin

+1: If you're the Monarch, draw a card. If you're not the Monarch, the Monarch loses 3 life.
-2: If you're the Monarch, destroy one creature each opponent controls. If you're not the Monarch, destroy target creature the Monarch controls.
: At the beginning of your end step, you become the Monarch. If you were already the Monarch, gain 2 life.