Deck
4 Archmage's Charm
2 Castle Vantress
1 Celestial Colonnade
2 Chalice of the Void
4 Counterspell
2 Dress Down
2 Fire/Ice
4 Flooded Strand
1 Glacial Fortress
1 Hall of Storm Giants
2 Hallowed Fountain
3 Island
2 March of Otherworldly Light
2 Memory Deluge
1 Misty Rainforest
2 Mystic Gate
1 Otawara, Soaring City
1 Plains
2 Polluted Delta
4 Prismatic Ending
1 Scalding Tarn
4 Solitude
1 Spara's Headquarters
1 Steam Vents
2 Supreme Verdict
2 Teferi, Hero of Dominaria
4 Teferi, Time Raveler
2 The Wandering Emperor

Sideboard
2 Aether Gust
2 Dovin's Veto
2 Flusterstorm
2 Fracturing Gust
1 Kaheera, the Orphanguard
2 Mystical Dispute
2 Rest in Peace
2 Subtlety