Cosmo Fling Modern Meta Snapshot August September

Here's the metagame spread for Cosmo Fling (the archetype built around Cosmogoyf) in Modern over the last 30 days:

🦖 Cosmo Fling — Modern Meta Snapshot (Aug 15 – Sep 14)

Meta Position

• Meta share: ~1–2% (niche/fringe)
• Winrate (excl. mirror/draws): 45% — below the 50% threshold
• Entries: 143 across 31 tournaments

Key Cards

• Cosmogoyf (4x in 100% of lists)
• Serum Powder (4x)
• Plunge into Darkness (~3.8x)
• Blooming Marsh (4x)
• Inquisition of Kozilek (~3.8x)
• Gemstone Caverns (~3.9x)

Weekly Trend (last 8 weeks)

Takeaways

• The deck saw a surge in entries the week of Sep 7 (28 entries, likely from SCG CON Baltimore), but winrate was underwhelming at 46%.
• The Aug 24 week was rough (17% WR), likely a small sample anomaly.
• Overall, the deck is an experimental/fringe combo with inconsistent results at ~45% overall.

Sources — Data from 33 tournaments (67% Melee, 33% MTGO):

• SCG CON Baltimore RCQ – Sep 13
• $5K RCQ Baltimore – Sep 12
• ReCQ Baltimore – Sep 12