Temur Delver
A Legacy deck, by Bryant_Cook
1st place at a tournament in Magic Online on 2020-09-20

Maindeck:

Creatures
4 Delver of Secrets
4 Dreadhorde Arcanist (Banned in Legacy)
3 Tarmogoyf

Instants
4 Brainstorm
4 Daze
2 Force of Negation
4 Force of Will
4 Lightning Bolt
1 Spell Pierce

Legendary Planeswalkers
3 Oko, Thief of Crowns (Banned in Legacy)

Sorceries
1 Chain Lightning
4 Ponder
3 Preordain

Lands
1 Misty Rainforest
4 Polluted Delta
4 Scalding Tarn
3 Tropical Island
3 Volcanic Island
4 Wasteland

Sideboard:
1 Engineered Explosives
1 Soul-Guide Lantern
1 Collector Ouphe
1 Force of Negation
2 Pyroblast
1 Red Elemental Blast
3 Submerge
2 Surgical Extraction
2 Klothys, God of Destiny
1 Blazing Volley