4 Vodalian Hexcatcher
4 Tide Shaper
4 Lord of Atlantis
4 Master of the Pearl Trident
4 Merfolk Trickster
4 Svyelun of Sea and Sky
2 Mistcaller
2 Harbinger of the Tides
2 Phantasmal Image
4 Dismember
2 Spreading Seas
4 Aether Vial
8 Snow-Covered Island
4 Cavern of Souls
4 Mutavault
2 Otawara, Soaring City
1 Fiery Islet
1 Oboro, Palace in the Clouds
Sideboard
2 Harbinger of the Tides
2 Spreading Seas
4 Subtlety
4 Force of Negation
3 Chalice of the Void