Lurrus Grixis Delver
A Modern deck, by Zonast
1st place at a tournament in Magic Online on 2020-06-01

Maindeck:

Artifacts
4 Mishra's Bauble

Creatures
4 Delver of Secrets
3 Snapcaster Mage
4 Sprite Dragon

Instants
2 Archmage's Charm
1 Drown in the Loch
2 Fatal Push
2 Force of Negation
2 Kolaghan's Command
4 Lightning Bolt
2 Mana Leak
4 Opt
1 Spell Snare

Sorceries
2 Inquisition of Kozilek
2 Serum Visions
1 Unearth

Basic Lands
1 Island

Lands
1 Blood Crypt
3 Darkslick Shores
4 Polluted Delta
4 Scalding Tarn
3 Spirebluff Canal
2 Steam Vents
2 Watery Grave

Sideboard:
2 Nihil Spellbomb
2 Alpine Moon
1 Aether Gust
1 Cling to Dust
2 Mystical Dispute
1 Lurrus of the Dream-Den
2 Collective Brutality
1 Pillage
2 Stone Rain
1 Thoughtseize