Sultai Seasons Past
A Standard deck, by Yuuki Ichikawa
9th place at a tournament in Tokyo, Japan on 2016-05-07

Maindeck:
4 Forest
1 Island

Creatures
1 Den Protector (Not currently legal in Standard)
4 Sylvan Advocate (Not currently legal in Standard)

Instants
3 Grasp of Darkness (Not currently legal in Standard)
1 Pulse of Murasa (Not currently legal in Standard)
1 Silumgar's Command (Not currently legal in Standard)
2 Ultimate Price (Not currently legal in Standard)

Legendary Creatures
2 Dragonlord Silumgar (Not currently legal in Standard)
4 Jace, Vryn's Prodigy (Not currently legal in Standard)
2 Kalitas, Traitor of Ghet (Not currently legal in Standard)
2 Nissa, Vastwood Seer (Not currently legal in Standard)

Sorceries
3 Dark Petition (Not currently legal in Standard)
2 Languish (Not currently legal in Standard)
2 Painful Truths (Not currently legal in Standard)
2 Ruinous Path (Not currently legal in Standard)
1 Seasons Past (Not currently legal in Standard)
2 Transgress the Mind (Not currently legal in Standard)

Basic Lands
4 Swamp

Lands
1 Choked Estuary (Not currently legal in Standard)
4 Evolving Wilds
4 Hissing Quagmire (Not currently legal in Standard)
2 Llanowar Wastes (Not currently legal in Standard)
4 Sunken Hollow (Not currently legal in Standard)
2 Yavimaya Coast (Not currently legal in Standard)

Sideboard:
2 Dead Weight (Not currently legal in Standard)
1 Virulent Plague (Not currently legal in Standard)
1 Naturalize (Not currently legal in Standard)
2 Negate
1 To the Slaughter (Not currently legal in Standard)
1 Kalitas, Traitor of Ghet (Not currently legal in Standard)
1 Ob Nixilis Reignited (Not currently legal in Standard)
3 Duress
1 Flaying Tendrils (Not currently legal in Standard)
1 Infinite Obliteration (Not currently legal in Standard)
1 Seasons Past (Not currently legal in Standard)