Izzet Deep-Fiend
A Pioneer deck, by David Purcell
1st place at a tournament in Duluth, Georgia, United States on 2019-12-22
As reported at http://www.starcitygames.com

Maindeck:
2 Island
4 Mountain

Creatures
4 Bonecrusher Giant
4 Brazen Borrower
4 Elder Deep-Fiend
4 Flamewake Phoenix
4 Rekindling Phoenix

Instants
4 Izzet Charm
4 Kozilek's Return
3 Lightning Axe
2 Stubborn Denial

Legendary Planeswalkers
2 The Royal Scions

Lands
3 Mutavault
1 Sanctum of Ugin
2 Shivan Reef
4 Spirebluff Canal
4 Steam Vents
2 Sulfur Falls
3 Wandering Fumarole

Sideboard:
1 Abrade
3 Aether Gust
2 Dig Through Time
1 Lightning Axe
1 Mystical Dispute
2 Redcap Melee
2 Stubborn Denial
3 Wild Slash