It was sad to hear that in the time of the Dragons of Tarkir, Anafenza the Foremost died in battle for the glory of the Abzan clan. The good news though is that even if she’s already in the afterlife, her spirited form in a way still bolsters the troops or in this case, your troops. Here is her current card:

Here is the possible update of Standard Black White Warriors after Anafenza, Kin-Tree Spirit is added:

Lands
1 Bloodstained Mire
1 Flooded Strand
4 Swamp
4 Plains
2 Scoured Barrens
4 Caves of Koilos
3 Mana Confluence
4 Temple of Silence

Creatures
3 Anafenza, Kin-Tree Spirit
4 Battle Brawler
4 Bloodsoaked Champion
2 Brutal Hordechief
2 Chief of the Scale
4 Chief of the Edge
4 Mardu Shadowspear
4 Mardu Woe-Reaper
2 Wingmate Roc

Spells
4 Hero’s Downfall
1 Valorous Stance
1 Spear of Heliod
2 Sorin, Solemn Visitor