Sideboard:
1 Adaptive Shimmerer
1 Aven Reedstalker
1 Breaching Hippocamp
1 Brineborn Cutthroat
1 Capture Sphere
1 Crystacean
1 Cunning Nightbonder
1 Draining Whelk
1 Dream Eater
1 Eel Umbra
1 Elder Deep-Fiend
1 Etherium Astrolabe
1 Faerie Duelist
1 Harbinger of the Tides
1 Hullbreacher
1 Illusory Ambusher
1 Jin-Gitaxias, Core Augur
1 Living Tempest
1 Merfolk Trickster
1 Mizzium Meddler
1 Mystic Restraints
1 Mystic Subdual
1 Naru Meha, Master Wizard
1 Nebelgast Herald
1 Needlebug
1 Nimble Obstructionist
1 Omen of the Sea
1 Pearl Lake Ancient
1 Pestermite
1 Portal Mage
1 Pouncing Shoreshark
1 Rattlechains
1 Riptide Turtle
1 Sea Legs
1 Sea-Dasher Octopus
1 Sentinels of Glen Elendra
1 Shielded Aether Thief
1 Slimebind
1 Slitherwisp
1 So Tiny
1 Spellstutter Sprite
1 Spontaneous Mutation
1 Springjaw Trap
1 Starlit Mantle
1 Think Twice
1 Threnody Singer
1 Tooth of Chiss-Goria
1 Torpor Dust
1 Undersea Invader
1 Vexing Gull
1 Voidmage Husher
1 Whisper Agent
1 Wind Strider
1 Zealous Guardian
1 Zulaport Duelist