Mizzix's Mastery [Mystery Booster] War of the Spark Blue spells you cast cost

Blue spells you cast cost {1} less to cast

Whenever you cast an instant or sorcery spell or activate an ability

choose a counter on a permanent you control

/So blend the turrets and shadows there/That all seem pendulous in air

Set: Secret Lair Drop Series Type: Legendary Creature — Elder Dinosaur Rarity: Rare Cost: {5}{U}{U} This spell can't be countered

Mizzix's Mastery [Mystery Booster] War of the Spark Blue spells you cast costSet: 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.")