[BOSH] Katanagami - Shiranui

1 Zombie-Type Tuner + 1 or more non-Tuner Zombie-Type monsters
You can only Special Summon "Katangami - Shiranui(s)" once per turn. Once per turn, during either player's turn: You can target 1 of your banished Zombie-Type monsters; shuffle it into the Deck, and if you do, change all monsters your opponent controls with ATK lower than or equal to that monster's to Defense Position. If this card is banished: You can target 1 monster your opponent controls; it loses 500 ATK.