Ashes: The Boy Among Wolves - Rules of Play says:
Wild is the son of the Spiral Jungle. Koji Wolfcub walks boldly into your games of Ashes: Rise of the Phoenixborn in The Boy Among Wolves expansion deck. The jungle itself rises up to help him in his fight to restore the world. Bring his power to the table in this ready-to-play expansion deck or use the cards you find here to customize your own deck. In addition to Koji Wolfcub, The Boy Among Wolves includes new spells, units, and conjurations that give you the freedom to create your own combinations of cards and explore the world of Ashes like never before!