Mizzix's Mastery [Mystery Booster] Treefolk Occupancy of the den changes

Occupancy of the den changes from night to night as boggart gangs fight for control of a place they aren't willing to simply eat

create a 6/6 red Dragon creature token with flying

Set: Planechase Type: Sorcery Rarity: Uncommon Cost: {2}{U} Search your library for an artifact card

As Hallowed Fountain enters the battlefield

you draw three cards

Mizzix's Mastery [Mystery Booster] Treefolk Occupancy of the den changesSet: Mystery Booster Type: Sorcery Rarity: Rare 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.")