
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 "target" in its text to "each.")
Mizzix's Mastery has 10 printings, first in Commander 2015 (2015). EDHREC ranks it #822 among Commander cards. It appears most in Vivi Ornitier decks (10,492 on EDHREC). 2 public decks on TCG run it. It has 11 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.