Four-Color Control (Yorion)
A Legacy deck, by LeoFa
3rd place at a tournament in Magic Online on 2020-08-15

Maindeck:

Artifact Creatures
1 Baleful Strix

Creatures
1 Notion Thief
1 Snapcaster Mage

Instants
4 Assassin's Trophy
4 Brainstorm
2 Cling to Dust
3 Drown in the Loch
1 Fatal Push
2 Force of Negation
4 Force of Will
1 Lightning Bolt
3 Punishing Fire
1 Pyroblast

Legendary Creatures
1 Leovold, Emissary of Trest
4 Uro, Titan of Nature's Wrath

Legendary Planeswalkers
4 Dack Fayden

Snow Artifacts
4 Arcum's Astrolabe (Banned in Legacy)

Snow Creatures
4 Ice-Fang Coatl

Sorceries
4 Ponder
1 Toxic Deluge

Basic Snow Lands
2 Snow-Covered Forest
3 Snow-Covered Island
1 Snow-Covered Swamp

Lands
1 Badlands
1 Bayou
4 Grove of the Burnwillows
3 Misty Rainforest
4 Polluted Delta
3 Scalding Tarn
2 Tropical Island
1 Underground Sea
1 Verdant Catacombs
2 Volcanic Island
1 Waterlogged Grove

Legendary Lands
1 Karakas

Sideboard:
2 Null Rod
1 Brazen Borrower
1 Notion Thief
2 Plague Engineer
2 Carpet of Flowers
1 Pernicious Deed
1 Crop Rotation
2 Pyroblast
1 Surgical Extraction
1 Yorion, Sky Nomad
1 Bojuka Bog