Simic Urza
A Modern deck, by Justin Provencal
3rd place at a tournament in Levittown, New York, United States on 2019-11-23
As reported at http://www.starcitygames.com

Maindeck:

Artifacts
3 Engineered Explosives
1 Everflowing Chalice
4 Mishra's Bauble
1 Welding Jar

Creatures
4 Gilded Goose

Instants
3 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
1 Breeding Pool
2 Flooded Strand
4 Misty Rainforest
2 Mystic Sanctuary (Banned in Modern)
4 Scalding Tarn
1 Watery Grave

Sideboard:
2 Damping Sphere
1 Engineered Explosives
1 Ensnaring Bridge
1 Mycosynth Lattice (Banned in Modern)
1 Pithing Needle
1 Tormod's Crypt
2 Assassin's Trophy
1 Disdainful Stroke
2 Fatal Push
1 Ashiok, Dream Render
2 Thoughtseize