Son of the Eighth Circle

Trample, Demonic Essence 6

{t}: Grant all Ally Lesser Demon, Greater Demon and Demonhost creatures +1/+1 and Trample until end of turn. If by end of turn an enemy player was not damaged, deal 4 damage to yourself

{u/b}{u/b}{u/b}{t}: In addition to the mana cost, you may pay up to 20 Life. Deal 2 Damage to each enemy creature on the battlefield, increasing it by 1 Damage for every 2 Life paid.

Each time Son of the Eighth Circle destroys an enemy creature, heal 2 Life.