Based on the last month of Standard tournament data (November 1 - December 1, 2025), Izzet Cauldron is the best performing deck with a 56.03% winrate.
Top 5 Performing Archetypes by Winrate:
Izzet Cauldron dominates both in performance and popularity, combining the highest winrate with the largest meta presence at 15%. It went 1082-849 across 1988 matches in 13 tournaments.
The next most popular deck, Dimir Midrange (12.55% meta share), has a much more modest 51.35% winrate, making Izzet Cauldron the clear best choice for competitive play right now.
Sources:
Data from 53 tournaments (62% MTGO, 38% Melee). Recent events: Standard Challenge 32, 蒼紅杯 Izzet Event, Standard Store Championship