Interesting - those two archetypes exist in different formats in the database. Let me check if there are Izzet Midrange and Izzet Prowess entries within the same format to make a proper comparison.
Both "Izzet Midrange" and "Izzet Prowess" exist as separate archetypes in the same formats. Let me now check the key cards for both in the most relevant shared format (Standard, since that's where both are most active) to see how different they actually are.
No, they are two distinct archetypes in the database, and the card data confirms they are meaningfully different decks. Here is what separates them in Standard (the format where both have the most entries):
Izzet Prowess (944 entries, last seen December 2025) is a faster, more aggressive deck built around the prowess/spell-synergy package. Its defining cards include Cori-Steel Cutter (81% presence), Monstrous Rage (77%), Vivi Ornitier (93%), and Torch the Tower (97%) as cheap removal. It runs more Mountains and Shivan Reefs, giving it a more red-leaning mana base oriented toward early pressure.
Izzet Midrange (1,399 entries, still active as of March 2026) is a slower, more controlling deck. It leans heavily on Stormchaser's Talent (93%), Boomerang Basics (93%), Multiversal Passage (89%), Slickshot Show-Off (74%), and Into the Flood Maw (81%) for a tempo-based midrange gameplan. It runs noticeably fewer Shivan Reefs and more Islands, reflecting its bluer, draw-go orientation. Cori-Steel Cutter, the core prowess payoff, barely appears here.
In short, Izzet Prowess is an older, more aggressive version of the Izzet spell deck that has largely fallen out of the current Standard meta, while Izzet Midrange is the current dominant variant with a more controlling, tempo-oriented gameplan. They share the Izzet colors and some cantrips, but they are not the same deck.
Sources: Data drawn from Standard tournament entries on Melee and MTGO, 2025-01-01 through 2026-03-11. Izzet Prowess last recorded entry was 2025-12-05; Izzet Midrange remains active through 2026-03-10.