Merfolk 
- Player
- Motown123
- Event
- Modern Preliminary,
- Archetype
- Merfolk
- Format
- Modern
- MTGO
- Paper
- Source
- MTGO
Main deck (60)
Creatures (32)
Instants (7)
Artifacts (4)
Enchantments (3)
Lands (14)
Sideboard (15)
Main deck (60)
Creatures (32)
- 4 Glasspool Mimic // Glasspool Shore
- 4 Harbinger of the Tides
- 4 Lord of Atlantis
- 4 Master of the Pearl Trident
- 4 Master of Waves
- 4 Merfolk Trickster
- 4 Silvergill Adept
- 4 Umara Wizard // Umara Skyfalls
Instants (7)
Artifacts (4)
Enchantments (3)
Lands (14)
- 2 Cavern of Souls
- 8 Island
- 4 Mutavault
Sideboard (15)
Compared with the average Merfolk list
Average of 7 decks in the 7 days up to Sept. 23, 2020, the day of this tournament.
Main deck
More than usual
- +3 Umara Wizard (4 vs 0.6)
- +3 Force of Negation (4 vs 0.9)
- +3 Glasspool Mimic (4 vs 1.1)
- +3 Ghostly Flicker (3 vs 0.4)
- +3 Master of Waves (4 vs 1.4)
- +2 Harbinger of the Tides (4 vs 1.7)
Fewer than usual
- -2 Dismember (0 vs 2.0)
- -2 Botanical Sanctum (0 vs 1.7)
- -2 Kumena's Speaker (0 vs 1.7)
- -2 Merfolk Mistbinder (0 vs 1.7)
- -1 Waterlogged Grove (0 vs 1.4)
- -1 Brazen Borrower (0 vs 1.3)
- -1 Smuggler's Copter (0 vs 1.1)
Sideboard
More than usual
- +3 Dismember (4 vs 0.6)
- +2 Deprive (4 vs 2.0)
- +1 Aether Gust (3 vs 2.0)
Fewer than usual
- -2 Force of Negation (0 vs 1.7)
- -2 Chalice of the Void (0 vs 1.6)
- -1 Damping Sphere (0 vs 1.1)
This is the most unusual list of the archetype in this period: 17 cards away from the average.