Mardu Pyromancer
A Modern deck, by Patrick Bennewitz
2nd place at a tournament in Duluth, Georgia, United States on 2019-06-29
As reported at http://www.starcitygames.com

Maindeck:

Artifacts
3 Nihil Spellbomb

Creatures
4 Seasoned Pyromancer
4 Young Pyromancer

Instants
3 Fatal Push
4 Lightning Bolt

Legendary Creatures
2 Yawgmoth, Thran Physician

Sorceries
4 Faithless Looting (Banned in Modern)
4 Inquisition of Kozilek
4 Lingering Souls
3 Smiting Helix
2 Thoughtseize
2 Unearth

Basic Lands
2 Mountain
1 Plains
2 Swamp

Lands
2 Arid Mesa
4 Blackcleave Cliffs
2 Blood Crypt
4 Bloodstained Mire
1 Godless Shrine
2 Prismatic Vista
1 Sacred Foundry

Sideboard:
1 Pithing Needle
1 Grim Lavamancer
2 Plague Engineer
4 Leyline of the Void
2 Celestial Purge
1 Wear
2 Kambal, Consul of Allocation
2 Bitterblossom