Demons Loose! Demons Loose! is a 4 Mana Cost Free Neutral Spell card from the One Night in Karazhan set! Card Text Summon a random Demon. Mana Cost: 4 Crafting Cost: 0 / 0 (Golden) Arcane Dust Gained: 0 / 0 (Golden) Rarity: FreeClass: NeutralCard Type: SpellSet: One Night in Karazhan Mechanics: Summon Token Tweet Rate this Card Rate this item:1.002.003.004.005.00Submit Rating Rating: 4.4/5. From 7 votes. Please wait... By: Evident - August 22, 2016 - Updated: 8 years ago