Frenetic Efreet [Mirage] Human Soldier Warrior it produces colorless mana instead

it produces colorless mana instead of white mana

These mighty bulwarks thwart ground-based troops

Set: Planechase Type: Sorcery Rarity: Uncommon Cost: {2}{U} Search your library for an artifact card

The flashback cost is equal to its mana cost

Frenetic Efreet [Mirage] Human Soldier Warrior it produces colorless mana insteadSet: Mirage Type: Creature Efreet Rarity: Rare Cost: {1}{U}{R} Flying {0}: Flip a coin. If you win the flip, Frenetic Efreet phases out. If you lose the flip, sacrifice Frenetic Efreet. (While it's phased out, it's treated as though it doesn't exist. It phases in before you untap during your next untap step.)