Bedoma, Angel of Judgment

Flying, lifelink, discord 1 (This spell costs {1} more
to cast for each creature on the battlefield.)
Equilibrium- As long as your life total is equal to
your starting life total, Whenever Bedoma attacks, destroy all other creatures. You gain 1 life for
each creature destroyed this way.
{w}{w}, Pay 4 life: Destroy target tapped creature. Activate this ability only during your turn.