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 5RRR (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")
No shop on TCG.shopping has this in stock right now.
Run a card shop?
Mizzix's MasteryStrixhaven Mystical Archive · 43 · mythic$8.81
Mizzix's MasteryRavnica Remastered · 118 · rare$8.50
Mizzix's MasteryOutlaws of Thunder Junction Commander · 175 · rare$8.30
Mizzix's MasteryThe List · 29 · rare$7.97
Mizzix's MasteryCommander 2015 · 29 · rare$7.95
Mizzix's MasteryRetro FrameRavnica Remastered · 339 · rare$5.92
Mizzix's MasteryShowcaseFinal Fantasy: Through the Ages · 41 · rare$3.83
Krenko, Mob BossRetro Frame · Serial Numbered335 · rare$2,000.00
Breeding PoolRetro Frame · Serial Numbered399 · rare$2,000.00
Watery GraveRetro Frame · Serial Numbered415 · rare$2,000.00
Steam VentsRetro Frame · Serial Numbered412 · rare$2,000.00
Overgrown TombRetro Frame · Serial Numbered407 · rare$1,969.87
Godless ShrineRetro Frame · Serial Numbered401 · rare$1,920.00
Cyclonic RiftRetro Frame · Serial Numbered313 · mythic$1,744.99
Sacred FoundryRetro Frame · Serial Numbered409 · rare$1,333.65
Temple GardenRetro Frame · Serial Numbered414 · rare$1,312.62
Stomping GroundRetro Frame · Serial Numbered413 · rare$1,100.00
Bruvac the GrandiloquentRetro Frame · Serial Numbered309 · mythic$799.99
Chord of CallingRetro Frame · Serial Numbered345 · rare$700.00