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B/G Constrictor
A Standard deck, by Samuel Pardee
2nd place at a tournament in Kyoto, Japan on 2017-07-28

Maindeck:

Artifact Creatures
2 Verdurous Gearhulk
4 Walking Ballista

Creatures
4 Grim Flayer (Not currently legal in Standard)
3 Tireless Tracker (Not currently legal in Standard)
4 Winding Constrictor

Instants
2 Dissenter's Deliverance
4 Fatal Push
2 Grasp of Darkness (Not currently legal in Standard)

Legendary Creatures
2 Kalitas, Traitor of Ghet (Not currently legal in Standard)
1 Rishkar, Peema Renegade

Legendary Planeswalkers
2 Liliana, the Last Hope (Not currently legal in Standard)
3 Nissa, Voice of Zendikar (Not currently legal in Standard)

Sorceries
4 Traverse the Ulvenwald (Not currently legal in Standard)

Basic Lands
5 Forest
6 Swamp

Lands
4 Blooming Marsh
3 Evolving Wilds
1 Hashep Oasis
4 Hissing Quagmire (Not currently legal in Standard)

Sideboard:
1 Tireless Tracker (Not currently legal in Standard)
1 Grasp of Darkness (Not currently legal in Standard)
2 Gonti, Lord of Luxury
1 Ishkanah, Grafwidow (Not currently legal in Standard)
1 Ob Nixilis Reignited (Not currently legal in Standard)
3 Dispossess
1 Doomfall
2 Never
3 Transgress the Mind (Not currently legal in Standard)