Grimscale Oracle Grimscale Oracle is a 1 Mana Cost Free Neutral Minion card from the Basic set! Flavor Text These are the brainy murlocs. It turns out that doesn’t mean much. Mana Cost: 1 Attack: 1 Health: 1 Crafting Cost: 0 / 0 (Golden) Arcane Dust Gained: 0 / 0 (Golden) Rarity: FreeClass: NeutralType: MinionSet: Basic Tweet Rate this Card Rate this item:1.002.003.004.005.00Submit Rating Rating: 1.5/5. From 2 votes. Please wait... By: Stonekeep - March 27, 2021 - Updated: 4 years ago