Sultai Midrange
A Standard deck, by Matthew Peace
4th place at a tournament in Duluth, Georgia, United States on 2019-02-02
As reported at http://www.starcitygames.com

Maindeck:

Creatures
2 Carnage Tyrant (Not currently legal in Standard)
2 Doom Whisperer (Not currently legal in Standard)
3 Hydroid Krasis (Not currently legal in Standard)
4 Jadelight Ranger (Not currently legal in Standard)
4 Merfolk Branchwalker (Not currently legal in Standard)
2 Midnight Reaper (Not currently legal in Standard)
3 Ravenous Chupacabra (Not currently legal in Standard)
4 Wildgrowth Walker (Not currently legal in Standard)

Instants
2 Assassin's Trophy (Not currently legal in Standard)
2 Cast Down (Not currently legal in Standard)
3 Vraska's Contempt (Not currently legal in Standard)

Legendary Planeswalkers
1 Vivien Reid (Not currently legal in Standard)

Sorceries
3 Find (Not currently legal in Standard)

Basic Lands
4 Forest
2 Swamp

Lands
4 Breeding Pool (Not currently legal in Standard)
1 Detection Tower (Not currently legal in Standard)
2 Drowned Catacomb (Not currently legal in Standard)
2 Memorial to Folly (Not currently legal in Standard)
4 Overgrown Tomb (Not currently legal in Standard)
2 Watery Grave (Not currently legal in Standard)
4 Woodland Cemetery (Not currently legal in Standard)

Sideboard:
1 Carnage Tyrant (Not currently legal in Standard)
2 The Eldest Reborn (Not currently legal in Standard)
1 Crushing Canopy (Not currently legal in Standard)
1 Disdainful Stroke
2 Negate
1 Vraska's Contempt (Not currently legal in Standard)
1 Vraska, Relic Seeker (Not currently legal in Standard)
2 Cry of the Carnarium (Not currently legal in Standard)
4 Duress