20 Island
3 Nykthos, Shrine to Nyx
1 Azami, Lady of Scrolls
2 Cyclonic Rift
3 Harbinger of the Tides
4 Judge's Familiar
2 Mana Leak
4 Master of Waves
4 Mausoleum Wanderer
3 Merfolk Trickster
3 Tempest Djinn
2 Thassa, God of the Sea
1 Venser, Shaper Savant
4 Voidmage Prodigy
4 Wistful Selkie
Sideboard:
1 Azorius Guildmage
1 Dimir Guildmage
2 Disdainful Stroke
1 Negate
2 Relic of Progenitus
2 River's Rebuke
2 Sorcerous Spyglass
2 Spreading Seas
2 Sun Droplet