Name: Unholy Heat Cost: R CMC: 1 Color: R CID: R Type: Instant Rules Text: 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. Set/Rarity: Modern Horizons 2 common, Jumpstart: Historic Horizons common, Secret Lair Promo rare, Duskmourn: House of Horror special guest, Outlaws of Thunder Junction Commander common, Modern Horizons 2 Timeshifts common, Mystery Booster 2 common Set Code: MH2-C, J21-C, SLP-R, DSK-G, OTC-C, H2R-C, MB2-C Legality: Legal in historic, Legal in commander, Legal in timeless, Legal in legacy, Legal in duel, Legal in paupercommander, Legal in gladiator, Legal in pauper, Legal in modern, Legal in brawl, Legal in oathbreaker, Legal in vintage Price: $0.28 Foil price: $0.33