I'll analyze the current Modern metagame to help you choose a competitive deck for a big paper tournament with open decklists.
Now let me get some recent tournament results to see what's been winning:
Let me also get sources for citation:
Based on the current Modern metagame data from the last 2 months, here are the best deck recommendations for a big paper tournament with open decklists:
1. Boros Energy (14.6% meta share, 51.0% winrate)
2. Esper Blink (7.1% meta share, 52.2% winrate)
3. Blue Belcher (4.3% meta share, 53.7% winrate)
4. Amulet Titan (4.9% meta share, 51.0% winrate)
5. Azorius Control (2.9% meta share, 52.7% winrate)
Recommendation: Boros Energy for consistency or Blue Belcher if you want to play something less expected with higher upside.
Sources:
Data from 114 tournaments (82.5% MTGO, 17.5% Melee): Modern Challenge 32, CommandFest Ottawa SQ, Modern Challenge 32