Deck
4 Archmage's Charm
2 Breeding Pool
2 Castle Vantress
4 Counterspell
1 Endurance
2 Ephemerate
2 Eternal Witness
2 Flooded Grove
4 Flooded Strand
2 Force of Negation
1 Glacial Floodplain
2 Hallowed Fountain
4 Ice-Fang Coatl
4 Misty Rainforest
1 Mystic Gate
4 Prismatic Ending
1 Reflecting Pool
1 Rimewood Falls
3 Snow-Covered Island
1 Snow-Covered Plains
3 Solitude
2 Supreme Verdict
2 Teferi, Hero of Dominaria
4 Teferi, Time Raveler
2 Wall of Omens

Sideboard
2 Blossoming Calm
2 Chalice of the Void
2 Dovin's Veto
1 Endurance
2 Engineered Explosives
2 Flusterstorm
4 Spreading Seas