15 cards where the name includes “niv-mizzet” and the card types include “legendary”

Niv-Mizzet, Dracogenius (Return to Ravnica #183)
Niv-Mizzet, Guildpact (Murders at Karlov Manor #220)
Niv-Mizzet, Guildpact (Murders at Karlov Manor #319)
Niv-Mizzet, Guildpact (Murders at Karlov Manor #368)
Niv-Mizzet, Parun (Guilds of Ravnica #192)
Niv-Mizzet, Parun (Ravnica Remastered #438)
Niv-Mizzet Reborn (War of the Spark #208)
Niv-Mizzet Reborn (Multiverse Legends #53)
Niv-Mizzet, Supreme (March of the Machine: The Aftermath #140)
Niv-Mizzet, Supreme (March of the Machine: The Aftermath #219)
Niv-Mizzet, the Firemind (Duel Decks: Izzet vs. Golgari #1)
Niv-Mizzet, the Firemind (Guildpact #123)
Niv-Mizzet, the Firemind (GRN Guild Kit #26)
Niv-Mizzet, Visionary (Foundations #123)
Niv-Mizzet, Visionary (Foundations #350)

In the blink of an eye, they strode from deep snow to the end of this search.