Merfolk 
Main deck (60)
Creatures (26)
Instants (4)
Artifacts (4)
Enchantments (4)
Lands (22)
Sideboard (15)
Main deck (60)
Creatures (26)
- 4 Benthic Biomancer
- 4 Lord of Atlantis
- 4 Master of the Pearl Trident
- 4 Master of Waves
- 4 Merfolk Trickster
- 4 Silvergill Adept
- 2 Thassa, God of the Sea
Instants (4)
Artifacts (4)
Enchantments (4)
Lands (22)
Sideboard (15)
Compared with the average Merfolk list
Average of 20 decks in the 30 days up to May 17, 2019, the day of this tournament.
Main deck
More than usual
- +3 Faerie Conclave (4 vs 0.8)
- +3 Master of Waves (4 vs 1.3)
- +2 Boomerang (2 vs 0.2)
- +2 Dismember (2 vs 0.4)
- +1 Thassa, God of the Sea (2 vs 1.0)
Fewer than usual
- -2 Harbinger of the Tides (0 vs 1.7)
- -2 Deprive (0 vs 1.6)
- -1 Merrow Reejerey (0 vs 1.4)
Sideboard
More than usual
- +3 Grafdigger's Cage (4 vs 1.4)
- +2 Ceremonious Rejection (4 vs 1.6)
- +2 Phyrexian Revoker (2 vs 0.2)
- +2 Deprive (2 vs 0.4)
- +2 Cryptic Command (2 vs 0.5)
Fewer than usual
- -2 Relic of Progenitus (0 vs 2.3)
- -1 Dismember (0 vs 1.3)
- -1 Echoing Truth (0 vs 1.2)
Most unusual list in this period: Nikachu in Modern League (5-0) (26 cards away from the average)