19 Island
3 Nykthos, Shrine to Nyx
2 Cyclonic Rift
4 Faerie Seer
4 Grand Architect
3 Harbinger of the Tides
2 Judge's Familiar
4 Master of Waves
3 Merfolk Trickster
1 Serum Visions
2 Siren Stormtamer
3 Tempest Djinn
2 Thassa, God of the Sea
4 Voidmage Prodigy
4 Walking Ballista
Sideboard:
1 Azami, Lady of Scrolls
2 Disdainful Stroke
1 Mana Leak
1 Negate
2 Relic of Progenitus
2 River's Rebuke
2 Sorcerous Spyglass
2 Spreading Seas
2 Sun Droplet