Merfolk 
Main deck (60)
Creatures (26)
Instants (4)
Artifacts (6)
Enchantments (4)
Lands (20)
Sideboard (15)
Main deck (60)
Creatures (26)
- 4 Cursecatcher
- 2 Harbinger of the Tides
- 1 Kira, Great Glass-Spinner
- 4 Lord of Atlantis
- 4 Master of the Pearl Trident
- 4 Master of Waves
- 2 Merrow Reejerey
- 4 Silvergill Adept
- 1 Vendilion Clique
Instants (4)
Artifacts (6)
Enchantments (4)
Lands (20)
Sideboard (15)
Compared with the average Merfolk list
Average of 46 decks in the 90 days up to May 20, 2017, the day of this tournament.
Main deck
More than usual
- +5 Island (16 vs 11.4)
- +2 Smuggler's Copter (2 vs 0.0)
- +2 Spell Pierce (2 vs 0.5)
- +1 Dismember (2 vs 1.0)
Fewer than usual
- -1 Vapor Snag (0 vs 1.3)
- -1 Harbinger of the Tides (2 vs 3.3)
- -1 Cavern of Souls (0 vs 1.1)
- -1 Merrow Reejerey (2 vs 3.1)
Sideboard
More than usual
- +3 Ceremonious Rejection (3 vs 0.5)
- +2 Hurkyl's Recall (3 vs 1.0)
- +1 Sea's Claim (2 vs 1.0)
Fewer than usual
- -2 Dispel (0 vs 1.6)
- -1 Tectonic Edge (0 vs 1.0)
Most unusual list in this period: rokkastut in Competitive Modern Constructed League (5-0) (23 cards away from the average)