Indistructible, trample

As zeruel the tenth angel enters the battlefield put a doom counter on target cresture an opponent control.

Creatures with doom counters on them have "this creature cant be sacrificed and has indestructible for as long as it is not fighting Zeruel"

{w}{b}{g} Zeruel the tenth angel fight target creature with a doom countrr on it.

At the beginning of your upkeep if there are no creature with domm counter on the battlefield put a doom counter ok target creature an opponent control.

Whenever a creature with doom counter on it leave the battlefield draw a card.