
Unholy Heat deals 2 damage to target creature or planeswalker.
Delirium — Unholy Heat deals 6 damage instead if there are four or more card types among cards in your graveyard.
Unholy Heat has 8 printings, first in Modern Horizons 2 (2021). EDHREC ranks it #9,428 among Commander cards. It appears most in Imodane, the Pyrohammer decks (1,996 on EDHREC). 1 public deck on TCG runs it. It has 2 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.