Let me fetch the Pioneer meta report and then filter for MTGO data specifically!
Hmm, no results for source = 'mtgo'. Let me check what sources are available in Pioneer first.
Source is MTGO (uppercase). Let me now run the correct query!
Got everything I need. Let me also grab sources to cite.
Here are the results for the top 10 most-played decks on MTGO in Pioneer over the last ~60 days, ranked by entries, with their winrates:
| # | Archetype | Entries | Winrate |
|---|---|---|---|
| 1 | Izzet Prowess | 305 | 49.95% |
| 2 | Mono Red Aggro | 247 | 45.19% |
| 3 | Orzhov Greasefang | 201 | 52.65% |
| 4 | Abzan Greasefang | 177 | 51.14% |
| 5 | Golgari Midrange | 138 | 51.54% |
| 6 | Azorius Control | 99 | 56.64% ✅ |
| 7 | Phoenix | 84 | 49.84% |
| 8 | Selesnya Company | 82 | 53.62% |
| 9 | Simic Scapeshift | 47 | 55.84% |
| 10 | Niv to Light | 46 | 50.60% |
🥇 Highest winrate: Azorius Control at 56.64% (99 entries, 243W–186L), making it the best-performing deck among the top 10 most played. Selesnya Company (53.62%) and Simic Scapeshift (55.84%) are also notably strong, though with fewer entries.
Worth noting: Izzet Prowess dominates in play volume but sits just below 50% — suggesting it may be somewhat over-represented relative to its performance.
Sources: Data from 55 MTGO Pioneer tournaments (Jan 22 – Mar 23, 2026).