Niv-Mizzet, Supreme - 219 R MAT Foil

Flying, hexproof from monocolored
Each instant and sorcery card in your graveyard that's exactly two colors has jump-start. (You may cast that card from your graveyard by discarding a card in addition to paying its other costs. Then exile it.)

rare
Legendary Creature — Dragon Avatar
From the Magic: The Gathering set March of the Machine: The Aftermath.