Dredge
A Legacy deck, by THE_DADDY
4th place at a tournament in Magic Online on 2020-05-07

Maindeck:

Artifacts
4 Lion's Eye Diamond
1 Lotus Petal

Creatures
4 Golgari Grave-Troll
4 Golgari Thug
4 Ichorid
4 Narcomoeba
1 Ox of Agonas
2 Putrid Imp
4 Stinkweed Imp
1 Street Wraith

Enchantments
4 Bridge from Below

Legendary Creatures
1 Hogaak, Arisen Necropolis

Sorceries
3 Breakthrough
4 Cabal Therapy
2 Careful Study
4 Faithless Looting

Lands
4 Cephalid Coliseum
2 City of Brass
3 Gemstone Mine
4 Mana Confluence

Sideboard:
1 Lotus Petal
1 Archon of Valor's Reach
1 Ashen Rider
1 Wispmare
3 Leyline of Sanctity
1 Leyline of the Void
4 Nature's Claim
1 Oko, Thief of Crowns (Banned in Legacy)
2 Dread Return