Temur Delver
A Legacy deck, by rob85tx
1st place at a tournament in Magic Online on 2020-09-19

Maindeck:

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

Instants
4 Brainstorm
4 Daze
2 Force of Negation
4 Force of Will
4 Lightning Bolt
4 Stifle

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

Sorceries
1 Chain Lightning
4 Ponder
2 Preordain

Basic Lands
1 Island

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

Sideboard:
1 Brazen Borrower
1 Collector Ouphe
1 Abrade
1 Ancient Grudge
1 Hydroblast
2 Pyroblast
1 Return to Nature
2 Surgical Extraction
1 Vapor Snag
2 Veil of Summer
1 Klothys, God of Destiny
1 Blazing Volley