3 Dismember
3 Flare of Denial
3 Force of Negation
3 Sink into Stupor
4 Aether Vial
2 Rishadan Dockhand
2 Merfolk Trickster
3 Harbinger of the Seas
3 Svyelun of Sea and Sky
4 Master of the Pearl Trident
4 Lord of Atlantis
4 Tide Shaper
4 Vodalian Hexcatcher
1 Otawara, Soaring City
1 Minamo, School at Water's Edge
3 Mutavault
3 Cavern of Souls
10 Island
Sideboard
3 Subtlety
2 Spreading Seas
2 Chalice of the Void
2 Harbinger of the Tides
1 Dismember
2 Merfolk Trickster
3 Tishana's Tidebinder