Gruul Prowess
A Modern deck, by Joe Ambrosio
8th place at a tournament in Durham, North Carolina, United States on 2020-03-07
As reported at http://www.starcitygames.com

Maindeck:
6 Mountain

Creatures
3 Bedlam Reveler
3 Kiln Fiend
4 Monastery Swiftspear
4 Soul-Scar Mage

Instants
4 Lava Dart
4 Lightning Bolt
4 Manamorphose
3 Mutagenic Growth
2 Wild Slash

Sorceries
4 Crash Through
4 Lava Spike
4 Light Up the Stage

Lands
2 Bloodstained Mire
2 Fiery Islet
2 Stomping Ground
2 Sunbaked Canyon
4 Wooded Foothills

Sideboard:
3 Dragon's Claw
2 Bonecrusher Giant
2 Blood Moon
1 Cindervines
2 Abrade
3 Veil of Summer
2 Weather the Storm