21 Island
2 Nykthos, Shrine to Nyx
2 Aetherize
2 Bident of Thassa
1 Blue Sun's Zenith
4 Counterspell
4 Dungeon Geists
2 Hall of Triumph
1 Inundate
2 Kira, Great Glass-Spinner
4 Master of Waves
2 Opportunity
4 Shorecrasher Elemental
1 Stroke of Genius
3 Teferi, Mage of Zhalfir
3 Tempest Djinn
2 Vedalken Mastermind
Sideboard:
1 Braingeyser
1 Thassa's Rebuff