Temur Delver
A Legacy deck, by Beenew
5th place at a tournament in Magic Online on 2020-06-02

Maindeck:

Creatures
1 Brazen Borrower
4 Delver of Secrets
3 Dreadhorde Arcanist (Banned in Legacy)
1 Hooting Mandrills
3 Tarmogoyf

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

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

Sorceries
1 Chain Lightning
4 Ponder
1 Preordain

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

Sideboard:
1 Grafdigger's Cage
2 Winter Orb
1 Collector Ouphe
1 Sylvan Library
1 Abrade
1 Ancient Grudge
2 Pyroblast
1 Red Elemental Blast
2 Surgical Extraction
1 Veil of Summer
1 Klothys, God of Destiny
1 Blazing Volley