Hogaak
A Legacy deck, by poriden
6th place at a tournament in Magic Online on 2020-08-09

Maindeck:

Artifacts
4 Altar of Dementia

Creatures
4 Bloodghast
4 Gravecrawler
2 Hapless Researcher
4 Hedron Crab
2 Putrid Imp
4 Stitcher's Supplier
4 Vengevine

Enchantments
4 Bridge from Below

Legendary Creatures
4 Hogaak, Arisen Necropolis

Sorceries
4 Cabal Therapy

Basic Snow Lands
1 Snow-Covered Swamp

Lands
3 Bayou
1 Bloodstained Mire
1 Marsh Flats
4 Misty Rainforest
1 Polluted Delta
4 Underground Sea
4 Verdant Catacombs

Land Creatures
1 Dryad Arbor

Sideboard:
4 Leyline of the Void
2 Assassin's Trophy
4 Force of Vigor
3 Oko, Thief of Crowns (Banned in Legacy)
2 Collective Brutality