Mizzix's Mastery [Mystery Booster] 16 You can only use this

You can only use this effect of "Relinquished Anima" once per turn

At the beginning of the upkeep of enchanted creature's controller

you may cast sorcery spells as though they had flash

" —Davvol

During the End Phase destroy all monsters that were affected by this effect

Mizzix's Mastery [Mystery Booster] 16 You can only use thisSet: Mystery Booster Type: Sorcery Rarity: Rare Cost: {3}{R} Exile target card that's an instant or sorcery from your graveyard. For each card exiled this way, copy it, and you may cast the copy without paying its mana cost. Exile Mizzix's Mastery. Overload {5}{R}{R}{R} (You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each.")