Katsu Specialization (You may only have Mugenshi: RELEASE in your deck if your hero is Katsu.)
Combo - If Whelming Gustwave was the last attack this combat chain, Mugenshi: RELEASE gains +1 [Power], go again, and "If this hits, search your deck for any number of cards named Lord of Wind, reveal them, put them into your hand, then shuffle your deck."
