Yorion Jeskai Lukka
A Standard deck, by EasyMac
1st place at a tournament in Magic Arena on 2020-05-02

Maindeck:
2 Island
2 Mountain
3 Plains

Creatures
4 Agent of Treachery (Not currently legal in Standard)

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

Legendary Planeswalkers
1 Elspeth, Sun's Nemesis (Not currently legal in Standard)
4 Lukka, Coppercoat Outcast (Not currently legal in Standard)
4 Narset, Parter of Veils (Not currently legal in Standard)
4 Teferi, Time Raveler (Not currently legal in Standard)

Sorceries
4 Shatter the Sky (Not currently legal in Standard)

Lands
4 Castle Ardenvale (Not currently legal in Standard)
2 Castle Vantress (Not currently legal in Standard)
4 Fabled Passage (Not currently legal in Standard)
4 Hallowed Fountain (Not currently legal in Standard)
4 Raugrin Triome (Not currently legal in Standard)
4 Sacred Foundry (Not currently legal in Standard)
4 Steam Vents (Not currently legal in Standard)
3 Temple of Epiphany (Not currently legal in Standard)

Sideboard:
2 Dream Trawler (Not currently legal in Standard)
4 Omen of the Forge (Not currently legal in Standard)
2 Aether Gust (Not currently legal in Standard)
4 Mystical Dispute (Not currently legal in Standard)
1 Yorion, Sky Nomad (Not currently legal in Standard)
2 Deafening Clarion (Not currently legal in Standard)