Ox-King, Grandfather of Son Gohan

[Auto] When this card is played, draw 1 card. [Auto] If your Leader's back side is "Son Goku, for the Sake of Family" and your opponent's Leader doesn't have a "Son Gohan, Awakened Hidden Power" under it : When your opponent plays a card or attacks, place up to 1 "Son Gohan, Awakened Hidden Power" from your deck under your opponent's Leader, then shuffle your deck.