If not, we'll see you all again next week
Untap effects like Thousand-Year Elixir, Seedborn Muse, and Tyvar, Jubilant Brawler turn the Night Witch into an engine by letting you activate it multiple times a turn cycle, plus all that sacrificing pairs well with Midnight Reaper

Decklist: Niv-Mizzet, Supreme in Commander Gravitic Punch | Illustration by Randy Vargas Commander (1) Artifact (7) Chromatic Lantern Commander's Sphere Firemind Vessel Isochron Scepter Sol Ring Spectral Searchlight Tome of the Guildpact Battle (1) Creature (13) Bell Borca, Spectral Sergeant Ethereal Usher Goblin Electromancer Guttersnipe Jace's Archivist Melek, Izzet Paragon Mizzix, Replica Rider Murmuring Mystic Netherborn Phalanx Niv-Mizzet, Parun Nivix Guildmage Aragorn, the Uniter Sevinne, the Chronoclasm Enchantment (4) Mindmoil Possibility Storm Smothering Tithe Thousand-Year Storm Instant (21) Assassin's Trophy Bolt Bend Boros Charm Brainstorm Cerebral Vortex Chance for Glory Cyclonic Rift Despark Emergency Powers Izzet Charm Join Shields Narset's Reversal Nature's Chant Prophetic Bolt Rakdos Charm Restore the Peace Signal the Clans Sphinx's Revelation Turn // Burn Wear // Tear Growth Spiral Land (34) Azorius Guildgate Boros Guildgate Command Tower Dimir Guildgate Emergence Zone Forest x4 Ghost Quarter Gruul Guildgate Hallowed Fountain Island x4 Izzet Guildgate Mana Confluence Mountain x4 Pillar of the Paruns Plains x2 Plaza of Harmony Rakdos Guildgate Sacred Foundry Selesnya Guildgate Simic Guildgate Steam Vents Swamp x3 Planeswalker (2) Jace, Wielder of Mysteries Ral, Storm Conduit Sorcery (17) Circuitous Route Epic Experiment Farseek Light Up the Stage Mizzix's Mastery Notion Rain Obzedat's Aid Quasiduplicate Repudiate // Replicate Stitch in Time Supreme Verdict Treacherous Terrain x2 Expressive Iteration Unexpected Results Whispering Madness Wheel of Misfortune This Niv-Mizzet, Supreme deck is a spellslinger deck built around 2-color spells specifically

Still, Halsin runs all the usual token-doubling support cards, and the sound of two 10/10s is a bit more enticing