Sultai Urza
A Modern deck, by Brian Coval
1st place at a tournament in Columbus, Ohio, United States on 2019-11-23

Maindeck:

Artifacts
3 Engineered Explosives
1 Everflowing Chalice
4 Mishra's Bauble
1 Witching Well

Creatures
4 Gilded Goose

Instants
2 Cryptic Command
2 Metallic Rebuke

Legendary Artifacts
4 Mox Opal (Banned in Modern)

Legendary Creatures
4 Emry, Lurker of the Loch
4 Urza, Lord High Artificer

Legendary Planeswalkers
3 Karn, the Great Creator
4 Oko, Thief of Crowns (Banned in Modern)

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

Basic Snow Lands
1 Snow-Covered Forest
4 Snow-Covered Island

Lands
2 Breeding Pool
2 Flooded Strand
4 Misty Rainforest
2 Mystic Sanctuary (Banned in Modern)
2 Polluted Delta
2 Scalding Tarn
1 Watery Grave

Sideboard:
3 Damping Sphere
1 Ensnaring Bridge
1 Mycosynth Lattice (Banned in Modern)
1 Pithing Needle
1 Tormod's Crypt
2 Assassin's Trophy
2 Drown in the Loch
2 Fatal Push
2 Thoughtseize