Mizzix's Mastery [Outlaws of Thunder Junction Commander] War of the Spark Promos I'm laughing *as* you

I'm laughing *as* you

T: Add one mana of any color

Set: Oversize Cards Rarity: Rare Tap to add 1 colorless mana to your mana pool or draw a card from your library

And I must follow

Mizzix's Mastery [Outlaws of Thunder Junction Commander] War of the Spark Promos I'm laughing *as* youSet: Outlaws of Thunder Junction Commander 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 5RRR (You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each".)