Mizzix's Mastery (Japanese Etched Foil) [Strixhaven Mystical Archive] Snake Shaman you can select and add

you can select and add 1 Spell Card from your Graveyard to your hand

and it was his weakness that pushed him

toss a coin and call it at the end of the Damage Step

"When there is no one left but the ravens

Mizzix's Mastery (Japanese Etched Foil) [Strixhaven Mystical Archive] Snake Shaman you can select and addSet: Strixhaven Mystical Archive Type: Sorcery Rarity: Mythic 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.")