Hellfire Hellfire is a 4 Mana Cost Free Warlock Spell card from the Basic set! Flavor Text It's spells like these that make it hard for Warlocks to get decent help. Mana Cost: 4 Crafting Cost: 0 / 0 (Golden) Arcane Dust Gained: 0 / 0 (Golden) Rarity: FreeClass: WarlockType: SpellSet: Basic Tweet Rate this Card Rate this item:1.002.003.004.005.00Submit Rating Rating: 5.0/5. From 1 vote. Please wait... By: Stonekeep - March 26, 2021 - Updated: 4 years ago