Mizzix's Mastery (Foil Etched) [Strixhaven: Mystical Archive] Horror Spirit Set: Beta Edition Type: Instant

Set: Beta Edition Type: Instant Rarity: Common Cost: {W} Choose one —

Reverse Type: Legendary Planeswalker — Gideon +2: Up to one target creature an opponent controls attacks Gideon

They just know

Set: Fifth Dawn Type: Artifact Creature — Golem Rarity: Rare Cost: {11} Affinity for artifacts (This spell costs {1} less to cast for each artifact you control

If at least one Zombie card is milled this way

Mizzix's Mastery (Foil Etched) [Strixhaven: Mystical Archive] Horror Spirit Set: Beta Edition Type: InstantSet: 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.")