Just tonight, I found an interesting and maybe an updated version of the White Black Warriors deck from Grand Prix Kobe. The list was powered by the two versions of Gideon; Kytheon, Hero of Akros and his recent Ally of Zendikar walker form. Here is the decklist, which finished second place in the event:

Maindeck
Creature (24)
4 Blood-Chin Rager
4 Mardu Woe-Reaper
4 Mardu Strike Leader
4 Chief of the Edge
2 Wasteland Strangler
4 Bloodsoaked Champion
2 Kytheon, Hero of Akros

Instant (3)
3 Valorous Stance

Enchantment (7)
3 Stasis Snare
4 Silkwrap

Planeswalker (2)
2 Gideon, Ally of Zendikar

Land (24)
4 Caves of Koilos
4 Polluted Delta
4 Flooded Strand
2 Shambling Vent
1 Sunken Hollow
1 Prairie Stream
1 Windswept Heath
4 Plains

Sideboard
1 Wasteland Strangler
1 Stasis Snare
1 Valorous Stance
2 Ultimate Price
2 Transgress the Mind
2 Secure the Wastes
1 Negate
3 Disdainful Stroke
2 Mastery of the Unseen