Crabvine
A Modern deck, by Chris Ray
1st place at a tournament in Cary, North Carolina, United States on 2020-01-05
As reported at http://www.starcitygames.com

Maindeck:

Creatures
3 Carrion Feeder
1 Fatestitcher
4 Gravecrawler
4 Hedron Crab
4 Merfolk Secretkeeper
4 Narcomoeba
4 Prized Amalgam
4 Stitcher's Supplier
4 Vengevine

Instants
1 Once Upon a Time (Banned in Modern)

Sorceries
4 Creeping Chill
3 Glimpse the Unthinkable

Basic Lands
1 Island
1 Swamp

Lands
2 Bloodstained Mire
2 Darkslick Shores
3 Overgrown Tomb
4 Polluted Delta
4 Verdant Catacombs
3 Watery Grave

Sideboard:
1 Abrupt Decay
1 Assassin's Trophy
3 Fatal Push
3 Force of Negation
3 Nature's Claim
2 Surgical Extraction
2 Thoughtseize