Sultai Delve
Featured by Michael Majors on 2015-09-09 (Standard)
As written about in http://www.starcitygames.com/php/news/article/31517.html

Maindeck:

Creatures
4 Deathmist Raptor (Not currently legal in Standard)
3 Den Protector (Not currently legal in Standard)
1 Gurmag Angler (Not currently legal in Standard)

Instants
4 Murderous Cut (Not currently legal in Standard)

Legendary Creatures
1 Dragonlord Silumgar (Not currently legal in Standard)
4 Jace, Vryn's Prodigy (Not currently legal in Standard)
2 Nissa, Vastwood Seer (Not currently legal in Standard)
3 Sidisi, Brood Tyrant (Not currently legal in Standard)
2 Tasigur, the Golden Fang (Not currently legal in Standard)

Legendary Planeswalkers
4 Kiora, Master of the Depths (Not currently legal in Standard)

Sorceries
4 Gather the Pack (Not currently legal in Standard)
3 Ruinous Path (Not currently legal in Standard)

Basic Lands
3 Forest
2 Island
2 Swamp

Lands
4 Lumbering Falls (Not currently legal in Standard)
4 Opulent Palace (Not currently legal in Standard)
4 Polluted Delta (Not currently legal in Standard)
4 Sunken Hollow (Not currently legal in Standard)
2 Yavimaya Coast (Not currently legal in Standard)