20 Island
4 Aether Vial
4 Cursecatcher
4 Lord of Atlantis
2 Mana Leak
4 Master of the Pearl Trident
2 Merfolk Spy
3 Merrow Reejerey
4 Ponder
4 Silvergill Adept
4 Spell Pierce
3 Sygg, River Cutthroat
2 Vapor Snag
Sideboard:
1 Aquitect's Will
1 Back to Basics
1 Coralhelm Commander
1 Dakra Mystic
1 Kira, Great Glass-Spinner
1 Lullmage Mentor
1 Merfolk Sovereign
1 Merfolk Spy
1 Merrow Commerce
1 Mutavault
1 Spreading Seas
1 Thassa, God of the Sea
1 Tidebinder Mage
1 True-Name Nemesis