Izzet Delver
A Legacy deck, by Earlder1
2nd place at a tournament in Magic Online on 2020-08-30

Maindeck:

Creatures
2 Brazen Borrower
4 Delver of Secrets
4 Dreadhorde Arcanist (Banned in Legacy)
2 Sprite Dragon
2 Young Pyromancer

Instants
4 Brainstorm
4 Daze
2 Force of Negation
4 Force of Will
4 Lightning Bolt
1 Vapor Snag

Sorceries
1 Chain Lightning
4 Ponder
4 Preordain

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

Lands
1 Fiery Islet
1 Flooded Strand
1 Polluted Delta
4 Scalding Tarn
3 Volcanic Island
4 Wasteland
1 Wooded Foothills

Sideboard:
1 Null Rod
1 Soul-Guide Lantern
1 Blood Moon
2 Abrade
3 Pyroblast
2 Submerge
2 Surgical Extraction
2 Narset, Parter of Veils
1 Blazing Volley