Unholy Heat 
Instant
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.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Prints
Special Guests
EN · SPG · 2024-09-27
Mystery Booster 2
EN · MB2 · 2024-08-02
Modern Horizons 2 Timeshifts
EN · H2R · 2024-06-07
Outlaws of Thunder Junction Commander
EN · OTC · 2024-04-19
Secret Lair Showdown
EN · SLP · 2023-04-22
Jumpstart: Historic Horizons
EN · J21 · 2021-08-26
Modern Horizons 2
EN · MH2 · 2021-06-18