Azorius Control (Yorion)
A Standard deck, by Deshaun Baylock
21st place at a tournament in Arena on 2020-07-19

Maindeck:
7 Island
4 Plains

Artifacts
2 Glass Casket (Not currently legal in Standard)

Creatures
2 Archon of Sun's Grace (Not currently legal in Standard)
2 Brazen Borrower (Not currently legal in Standard)

Enchantments
4 Elspeth Conquers Death (Not currently legal in Standard)
4 Omen of the Sea (Not currently legal in Standard)
1 Omen of the Sun (Not currently legal in Standard)
4 Shark Typhoon (Not currently legal in Standard)
2 The Birth of Meletis (Not currently legal in Standard)

Instants
2 Absorb (Not currently legal in Standard)
4 Aether Gust (Not currently legal in Standard)
4 Dovin's Veto (Not currently legal in Standard)
2 Mystical Dispute (Not currently legal in Standard)

Legendary Creatures
2 Yorion, Sky Nomad (Not currently legal in Standard)

Legendary Planeswalkers
4 Narset, Parter of Veils (Not currently legal in Standard)
2 Teferi, Master of Time (Not currently legal in Standard)
4 Teferi, Time Raveler (Not currently legal in Standard)

Lands
1 Castle Ardenvale (Not currently legal in Standard)
2 Castle Vantress (Not currently legal in Standard)
4 Fabled Passage (Not currently legal in Standard)
1 Field of Ruin
4 Hallowed Fountain (Not currently legal in Standard)
2 Raugrin Triome (Not currently legal in Standard)
4 Temple of Enlightenment (Not currently legal in Standard)

Sideboard:
2 Glass Casket (Not currently legal in Standard)
1 Brazen Borrower (Not currently legal in Standard)
1 Dream Trawler (Not currently legal in Standard)
2 Commence the Endgame (Not currently legal in Standard)
1 Disdainful Stroke
1 Mystical Dispute (Not currently legal in Standard)
3 Narset's Reversal (Not currently legal in Standard)
1 Yorion, Sky Nomad (Not currently legal in Standard)
1 The Wanderer (Not currently legal in Standard)
2 Shatter the Sky (Not currently legal in Standard)