1 Boseiju, Who Endures
1 Breeding Pool
3 Flooded Strand
1 Glacial Floodplain
1 Hallowed Fountain
3 Misty Rainforest
3 Prismatic Vista
2 Snow-Covered Forest
1 Snow-Covered Island
2 Snow-Covered Plains
1 Spara's Headquarters
1 Temple Garden
2 Windswept Heath
1 Aether Channeler
3 Aether Vial
1 Deputy of Detention
1 Eladamri's Call
1 Elesh Norn, Mother of Machines
1 Endurance
4 Ephemerate
1 Eternal Witness
4 Ice-Fang Coatl
1 Kaldra Compleat
1 Knight of Autumn
4 Prismatic Ending
1 Skyclave Apparition
4 Solitude
1 Soulherder
1 Spell Queller
3 Stoneforge Mystic
1 Sword of Fire and Ice
3 Teferi, Time Raveler
1 Wall of Omens
Sideboard:
2 Dress Down
2 Endurance
1 Gaddock Teeg
2 Lavinia, Azorius Renegade
2 Meddling Mage
1 Orvar, the All-Form
1 Reflector Mage
1 Sanctifier en-Vec
1 Subtlety
2 Veil of Summer