1 Castle Vantress
34 Island
1 Mystic Sanctuary
1 Agent of Treachery
1 Arcane Signet
1 Archaeomancer
1 Brazen Borrower // Petty Theft
1 Cancel
1 Confounding Conundrum
1 Coveted Jewel
1 Depart the Realm
1 Didn't Say Please
1 Diluvian Primordial
1 Dive Down
1 Docent of Perfection // Final Iteration
1 Dream's Grip
1 Essence Scatter
1 Frogify
1 Ghostly Pilferer
1 God-Eternal Kefnet
1 Into the Roil
1 Jace, Mirror Mage
1 Jwari Disruption // Jwari Ruins
1 Keep Safe
1 Kiora Bests the Sea God
1 Mazemind Tome
1 Mechanized Production
1 Metallurgic Summonings
1 Midnight Clock
1 Mirror Shield
1 Mystic Reflection
1 Mystic Subdual
1 Negate
1 Neutralize
1 Omen of the Sea
1 Orvar, the All-Form
1 Peregrine Drake
1 Piracy Charm
1 Replicating Ring
1 Rookie Mistake
1 Run Away Together
1 Sapphire Charm
1 Saw It Coming
1 Sea Gate Restoration // Sea Gate, Reborn
1 Sea-Dasher Octopus
1 Shark Typhoon
1 Shell Shield
1 Skyclave Relic
1 Sol Ring
1 Solemn Simulacrum
1 Sublime Epiphany
1 Talrand, Sky Summoner
1 Teferi's Ageless Insight
1 Thassa's Oracle
1 Thermal Flux
1 Thieving Skydiver
1 Thing in the Ice // Awoken Horror
1 Tidespout Tyrant
1 Trail of Evidence
1 Triton Tactics
1 Twiddle
1 Ugin, the Spirit Dragon
1 Unsubstantiate
1 Vault Skyward
1 Voracious Greatshark
1 Whim of Volrath
1 Whirlwind Denial
Sideboard:
1 Confiscate
1 In Bolas's Clutches
1 Lay Claim
1 Spark Double
1 Take Possession
1 Volition Reins