Urza Breach
A Modern deck, by Samuel Jones
5th place at a tournament in Cary, North Carolina, United States on 2020-02-16
As reported at http://www.starcitygames.com

Maindeck:

Artifacts
1 Engineered Explosives
2 Grinding Station
4 Mishra's Bauble
1 Sunbeam Spellbomb
1 Sword of the Meek
2 Thopter Foundry

Creatures
2 Goblin Engineer
1 Thassa's Oracle

Enchantments
4 Underworld Breach

Legendary Artifacts
4 Mox Amber

Legendary Creatures
4 Emry, Lurker of the Loch
2 Sai, Master Thopterist
4 Urza, Lord High Artificer

Legendary Planeswalkers
3 Teferi, Time Raveler

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

Basic Snow Lands
7 Snow-Covered Island
2 Snow-Covered Mountain
1 Snow-Covered Plains

Lands
1 Arid Mesa
2 Flooded Strand
1 Hallowed Fountain
1 Sacred Foundry
4 Scalding Tarn
1 Steam Vents

Legendary Lands
1 Hall of Heliod's Generosity

Sideboard:
1 Damping Sphere
1 Pithing Needle
1 Sorcerous Spyglass
2 Tormod's Crypt
1 Disenchant
3 Galvanic Blast
2 Mystical Dispute
2 Path to Exile
2 Ashiok, Dream Render