Temur Delver
A Legacy deck, by fishduggery
6th place at a tournament in Magic Online on 2020-05-21

Maindeck:

Creatures
1 Brazen Borrower
4 Delver of Secrets
3 Dreadhorde Arcanist (Banned in Legacy)
3 Sprite Dragon
2 Tarmogoyf

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

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

Sorceries
1 Chain Lightning
4 Ponder
2 Preordain

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

Sideboard:
1 Null Rod
2 Winter Orb
1 Brazen Borrower
1 Sylvan Library
1 Abrade
1 Force of Negation
2 Pyroblast
1 Red Elemental Blast
1 Return to Nature
2 Surgical Extraction
1 Klothys, God of Destiny
1 Blazing Volley