The Sins of Frenzy

Enchant player.
Whenever an instant or sorcery spell enchanted
player controls deals damage, The Sins of Frenzy
deals that much damage to enchanted player.
At the beginning of enchanted player's end step,
The Sins of Frenzy deals 1 damage to them if they
control one or more untapped lands or creatures.
"Rage poisons the mind, desire stains the spirit, and
indulgence sullies the flesh. But oh, how it all feels."