Merfolk
A Modern deck, by Hunter Nance
16th place at a tournament in Roanoke, Virginia, United States on 2015-12-19
As reported at www.starcitygames.com

Maindeck:
9 Island

Artifacts
4 Aether Vial

Creatures
4 Cursecatcher
4 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 Dismember
3 Spell Pierce

Lands
2 Cavern of Souls
1 Ghost Quarter
4 Mutavault
2 Wanderwine Hub

Legendary Lands
1 Minamo, School at Water's Edge
1 Oboro, Palace in the Clouds

Sideboard:
2 Relic of Progenitus
3 Spellskite
2 Tidebinder Mage
2 Dismember
2 Dispel
1 Negate
2 Unified Will
1 Ghost Quarter