The overviews are pointing to different formats (Legacy for Dimir Tempo, Standard for Dimir Midrange). Given the Modern meta report and the cards listed (Force of Will, Ponder, Underground Sea), these archetypes appear to be in Legacy. Let me check if there are Dimir Tempo/Midrange archetypes in Modern specifically, and also get card details and matchup data. Let me also get the correct format context by checking Legacy meta report and getting the card breakdowns.
Both archetypes are in Legacy. Now let me get the matchup winrates for both decks against the top 16 archetypes. I'll run these in parallel.
Now let me get Dimir Midrange's matchups against the same 16 archetypes:
Here is the full breakdown, @JurgenKowalsky. Both archetypes are in Legacy (not Modern or Standard). Data covers the last 60 days.
CARD DIFFERENCES: DIMIR TEMPO vs DIMIR MIDRANGE (Legacy, Mainboard)
Cards that are staples in Dimir Tempo but NOT in Dimir Midrange:
Cards that are notable in Dimir Midrange but NOT in Dimir Tempo:
In short: Dimir Tempo is a classic interactive tempo deck (Wasteland/Daze/Bowmasters/Murktide) that tries to disrupt the opponent while applying fast clock pressure. Dimir Midrange is more of a value-combo hybrid that leans on Lotus Petal, Dark Ritual, Mishra's Bauble, and a reanimation sub-package, making it closer to a proactive engine deck that can also go under opponents.
MATCHUP WINRATES vs TOP 16 LEGACY ARCHETYPES (last 60 days, draws excluded)
Opponent | Tempo WR% | Midrange WR% | Sample (T/M)
Show and Tell | 61.8% | 63.6% | 34 / 22
Izzet Delver | 63.9% | 34.8% | 36 / 23
Tron | 37.9% | 53.8% | 29 / 26
Energy | 34.5% | 53.3% | 29 / 30
Grixis Reanimator | 64.3% | 43.8% | 28 / 16
Doomsday | 60.0% | 50.0% | 35 / 32
Azorius Midrange | 59.0% | 33.3% | 39 / 21
Dimir Midrange/Tempo | 42.9% (T) | 57.1% (M) | 21 (mirror)
Blue Artifacts | 30.4% | 38.5% | 23 / 13
Death & Taxes | N/A* | N/A* | 0 / 0
Lands | 31.3% | 61.5% | 16 / 13
Welder Combo | 27.3% | 21.1% | 11 / 19
Mystic Forge Combo | 45.5% | 75.0% | 11 / 8
Jeskai Midrange | 55.6% | 55.6% | 9 / 9
Eldrazi | 33.3% | 42.9% | 6 / 7
TES | 66.7% | 33.3% | 9 / 6
*No recorded matches vs Death & Taxes for either deck in this window.
Key takeaways: Dimir Tempo crushes interactive fair decks (Izzet Delver 63.9%, Azorius Midrange 59%, Grixis Reanimator 64.3%) but crumbles against pure mana-denial strategies and fast artifact combos (Blue Artifacts 30.4%, Welder Combo 27.3%, Lands 31.3%). Dimir Midrange flips some of those results - it handles Tron (53.8%), Energy (53.3%), and Lands (61.5%) much better, likely due to its more powerful individual cards, but it gets stomped by Izzet Delver (34.8%), Azorius Midrange (33.3%), and TES (33.3%). Both decks share weaknesses to Welder Combo and Blue Artifacts. Note that some matchup samples are small (Eldrazi, TES, Jeskai, Mystic Forge) so treat those numbers with caution.
Sources: Data from 82 Legacy tournaments between May 21 and July 21, 2026 (54% MTGO, 46% Melee).
https://www.mtgo.com/decklist/legacy-challenge-32-2026-07-1912847711
https://www.mtgo.com/decklist/legacy-challenge-32-2026-07-1912847705
https://melee.gg/Decklist/View/cae0d86d-8553-40c7-ad01-b48b01024339