Whirza
A Modern deck, by Jakob Woods-Weber
3rd place at a tournament in Newington, Connecticut, United States on 2019-11-03
As reported at http://www.starcitygames.com

Maindeck:

Artifacts
2 Chromatic Star
2 Mind Stone
4 Mishra's Bauble
3 Pentad Prism
1 Pithing Needle
1 Sword of the Meek
3 Thopter Foundry
1 Wishclaw Talisman

Creatures
3 Goblin Engineer

Instants
2 Whir of Invention

Legendary Artifacts
4 Mox Opal (Banned in Modern)

Legendary Creatures
4 Urza, Lord High Artificer

Legendary Planeswalkers
3 Karn, the Great Creator
2 Oko, Thief of Crowns (Banned in Modern)
2 Teferi, Time Raveler

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

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

Lands
1 Breeding Pool
4 Misty Rainforest
4 Polluted Delta
1 Prairie Stream
1 Steam Vents
1 Watery Grave

Sideboard:
1 Ensnaring Bridge
1 Glass Casket
1 Mycosynth Lattice (Banned in Modern)
1 Pithing Needle
1 Sword of the Meek
1 Thopter Foundry
2 Magus of the Moon
2 Mystical Dispute
3 Collective Brutality
2 Dead of Winter