I'll help you analyze the performance of Modern decks playing Quantum Riddler. Let me first search for this card and then look at recent tournament data.
Now let me check which archetypes are playing Quantum Riddler in Modern and analyze their performance over the recent period.
Let me also get some recent tournament sources to provide citation links for this analysis.
Based on my analysis of tournament data from the past two months (July 18 - September 17, 2025), here are the best performing Modern decks with Quantum Riddler:
1. Izzet Wizards - 85.7% winrate (6-1-0 record)
2. Esper Frog - 58.5% winrate (38-27-2 record)
3. Goryo's Reanimator - 53.4% winrate (167-146-20 record)
4. Azorius Control - 52.8% winrate (103-92-11 record)
5. Esper Blink - 52.2% winrate (507-465-76 record)
Data from 113 tournaments: 84.1% MTGO, 15.9% Melee. Recent events include Modern Challenge 32, Modern Showcase Challenge, and 1ΒΊ Torneio Super Modern.