Ganondorf, Demon King

Other Demons you control get +2/+2.

Other Demons you control without undying or Persist get Persist. (When a creature with Persist dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner’s control with a -1/-1 counter on it.)

Whenever a Demon leaves your Graveyard you gain
2 life.