Mortal Obstinacy [Journey into Nyx] Efreet Setting foot in their muck

Setting foot in their muck is an open invitation

Set: Legions Type: Creature — Spirit Rarity: Rare Cost: {3}{G}{G} Untap all permanents you control during each other player's untap step

Set: Arabian Nights Type: Creature — Human Rarity: Uncommon Cost: {W} When Abu Ja'far dies

Inventors Type: Creature — Elf Mutant Rarity: Common Cost: {5}{G} {T}: Add {G}{G}{G}

Mortal Obstinacy [Journey into Nyx] Efreet Setting foot in their muckSet: Journey into Nyx Type: Enchantment Aura Rarity: Common Cost: {W} Enchant creature you control Enchanted creature gets +1 +1. Whenever enchanted creature deals combat damage to a player, you may sacrifice Mortal Obstinacy. If you do, destroy target enchantment.