Sideboard:
1 Adarkar Valkyrie
1 Arcane Signet
1 Azorius Signet
1 Betrayal
1 Boreal Shelf
1 Borrowing 100,000 Arrows
1 Coldsteel Heart
1 Cone of Cold
1 Counterspell
1 Decanter of Endless Water
1 Dismiss into Dream
1 Dreamshackle Geist
1 Drumbellower
1 Ensnare
1 Fellwar Stone
1 Flashfreeze
1 Gadwick, the Wizened
1 Glacial Floodplain
1 Glacial Fortress
1 Glacial Plating
1 Grand Arbiter Augustin IV
1 Graven Lore
1 Ice Floe
1 Icebreaker Kraken
1 Icefall Regent
1 Icingdeath, Frost Tyrant
1 Icy Blast
1 Illithid Harvester // Plant Tadpoles
1 Marit Lage's Slumber
1 Niblis of Frost
1 Niveous Wisps
1 Ojutai Exemplars
1 On Thin Ice
1 Opposition
1 Palliation Accord
1 Path to Exile
1 Piercing Rays
1 Prairie Stream
1 Replicating Ring
1 Rhoda, Geist Avenger
1 Rimewind Cryomancer
1 Runic Shot
17 Snow-Covered Island
13 Snow-Covered Plains
1 Sol Ring
1 Squall Drifter
1 Stall for Time
1 Sunblast Angel
1 Sunstrike Legionnaire
1 Swords to Plowshares
1 Talisman of Progress
1 Tendo Ice Bridge
1 The Watcher in the Water
1 Theft of Dreams
1 Thing in the Ice // Awoken Horror
1 Thought Vessel
1 Time of Ice
1 Topplegeist
1 Unctus, Grand Metatect
1 Verity Circle
1 Willbreaker
1 Windfall