Mizzix's Mastery [Strixhaven: Mystical Archive] Magic Player Rewards 2001 {1}: Target noncreature artifact becomes

{1}: Target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value until end of turn

When Thought-Knot Seer enters the battlefield

You may put it into your graveyard

Tapping this artifact can be played as an interrupt

where X is the number of Dragons you control

Mizzix's Mastery [Strixhaven: Mystical Archive] Magic Player Rewards 2001 {1}: Target noncreature artifact becomesSet: 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.")