Grixis Urza
A Modern deck, by Jacob Stine
1st place at a tournament in Williamsport, Pennsylvania, United States on 2019-07-14
As reported at http://www.starcitygames.com

Maindeck:

Artifacts
1 Ensnaring Bridge
1 Grafdigger's Cage
1 Ichor Wellspring
2 Mind Stone
4 Mishra's Bauble
1 Nihil Spellbomb
2 Pithing Needle
2 Pyrite Spellbomb
1 Spine of Ish Sah
2 Sword of the Meek
3 Thopter Foundry
1 Tormod's Crypt

Creatures
3 Goblin Engineer

Instants
3 Whir of Invention

Legendary Artifacts
4 Mox Opal (Banned in Modern)

Legendary Creatures
1 Sai, Master Thopterist
4 Urza, Lord High Artificer

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

Basic Snow Lands
5 Snow-Covered Island
1 Snow-Covered Mountain
1 Snow-Covered Swamp

Lands
2 Polluted Delta
2 Prismatic Vista
4 Scalding Tarn
2 Spirebluff Canal
1 Steam Vents
1 Watery Grave

Legendary Lands
1 Inventors' Fair

Sideboard:
1 Damping Sphere
1 Ghirapur Aether Grid
4 Leyline of the Void
2 Tezzeret, Agent of Bolas
3 Dead of Winter
3 Thoughtseize
1 Unmoored Ego