Orm'huna, Butcher of Souls

Whenever a creature you don't control dies, put a Soul counter on Orm'huna, Butcher of Souls.
{b}{r}, Remove X Soul counters, {t}: Orm'huna, Butcher of Souls deals X damages to each player.
{w}{b}, Remove X Soul counters, {t}: each opponents discards X cards.
{w}{r}, Remove X Soul counters: Target creature gains +X/+0 and First Strike until end of turn.