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Esper Control (Yorion)
A Pioneer deck, by billsive
5th place at a tournament in Magic Online on 2020-07-01

Maindeck:

Enchantments
4 Omen of the Sea
1 Shark Typhoon

Instants
3 Eliminate
3 Mystical Dispute
2 Thassa's Intervention

Legendary Enchantments
4 Oath of Kaya

Legendary Planeswalkers
1 Ashiok, Nightmare Muse
2 Kaya, Orzhov Usurper
4 Narset, Parter of Veils
2 Teferi, Hero of Dominaria
3 Teferi, Master of Time
4 Teferi, Time Raveler (Banned in Pioneer)

Sorceries
4 Supreme Verdict
4 Thought Erasure
4 Thoughtseize

Basic Lands
2 Island
2 Plains
1 Swamp

Lands
4 Drowned Catacomb
4 Fabled Passage
4 Glacial Fortress
4 Godless Shrine
4 Hallowed Fountain
3 Isolated Chapel
1 Mobilized District
1 Shambling Vent
4 Watery Grave

Legendary Lands
1 Geier Reach Sanitarium

Sideboard:
2 Damping Sphere
2 Trial of Ambition
4 Dovin's Veto
1 Fatal Push
2 Settle the Wreckage
1 Yorion, Sky Nomad
1 Command the Dreadhorde
2 Unmoored Ego