Merfolk
A Modern deck, by Christopher Anna
2nd place at a tournament in Falls Church, Virginia, United States on 2017-02-25
As reported at www.starcitygames.com

Maindeck:

Artifacts
4 Aether Vial

Creatures
4 Cursecatcher
3 Harbinger of the Tides
4 Lord of Atlantis (Not currently legal in Modern)
4 Master of the Pearl Trident
4 Master of Waves
3 Merrow Reejerey
4 Silvergill Adept

Enchantments
4 Spreading Seas

Instants
2 Spell Pierce
2 Vapor Snag

Legendary Creatures
1 Kira, Great Glass-Spinner
1 Vendilion Clique

Basic Lands
13 Island

Lands
2 Cavern of Souls
4 Mutavault

Legendary Lands
1 Oboro, Palace in the Clouds

Sideboard:
4 Chalice of the Void
2 Relic of Progenitus
3 Sea's Claim
2 Ceremonious Rejection
1 Dismember
1 Echoing Truth
2 Gut Shot