Deck
4 Brazen Borrower
1 Castle Vantress
4 Gadwick, the Wizened
4 Harbinger of the Tides
20 Island
4 Leyline of Anticipation
4 Master of Waves
4 Merfolk Trickster
2 Nykthos, Shrine to Nyx
2 Silent Submersible
4 Siren Stormtamer
3 Spell Pierce
4 Thassa, God of the Sea

Sideboard
2 Grafdigger's Cage
3 Mystical Dispute
1 Negate
2 Pithing Needle
2 Rapid Hybridization
1 Spell Pierce
4 Tidebinder Mage