Your search for "Mutinous Massacre 314" revealed the following:
Mutinous Massacre - Surreal Space Showcase (Foil) (EOE) from Edge of Eternities, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Jack Hughes Card Text:Choose odd or even. Destroy each creature with mana value of the chosen quality. Then...
Mutinous Massacre - Surreal Space Showcase (EOE) from Edge of Eternities, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Jack Hughes Card Text:Choose odd or even. Destroy each creature with mana value of the chosen quality. Then gain...
Mutinous Massacre - Japan Showcase (Foil) (EOE) from Edge of Eternities, available at 401 Games Canada. Rarity: Mythic Rare Finish: Foil Artist: Aogachou Card Text:Choose odd or even. Destroy each creature with mana value of the chosen quality. Then gain...
Mutinous Massacre - Japan Showcase (Fracture Foil) (EOE) from Edge of Eternities, available at 401 Games Canada. Rarity: Mythic Rare Finish: Foil Artist: Aogachou Card Text:Choose odd or even. Destroy each creature with mana value of the chosen quality. Then...