Hogaak
A Legacy deck, by Ninja_Kyle
2nd place at a tournament in Magic Online on 2020-06-02

Maindeck:

Artifacts
4 Altar of Dementia

Creatures
4 Bloodghast
4 Gravecrawler
4 Hedron Crab
4 Stitcher's Supplier
4 Vengevine

Enchantments
4 Bridge from Below

Instants
2 Once Upon a Time

Legendary Creatures
4 Hogaak, Arisen Necropolis

Sorceries
3 Cabal Therapy
4 Careful Study

Basic Snow Lands
1 Snow-Covered Swamp

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

Land Creatures
1 Dryad Arbor

Sideboard:
4 Leyline of the Void
2 Abrupt Decay
2 Assassin's Trophy
4 Force of Vigor
3 Thoughtseize