| Set: | Mystery Booster 2 |
| Type: | Instant |
| Rarity: | Common |
| Cost: | {R} |
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. The devils use fire. Why shouldn't we?
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