The Suicidal Demigod

Indestructible, haste
The Suicidal Demigod enters the battlefield with four +1/+1 counters on it.
{x}, pay X life, remove a +1/+1 counter from this creature: The Suicidal Demigod deals X damage
to each creature. If a creature would be put into
a graveyard this way, exile it instead.