Son Goku, For the Sake of His Son (BT24-008) - Beyond Generations

[Auto] [Once per turn] When an opponent's Battle Card is KO'd by one of your skills, switch this card to Active Mode.
[Activate:Main] [Limit 1] R, if your Leader is a mono-red "Son Goku" card and [Son Gohan, Awakened Hidden Power] is under your Leader or your opponent's Leader : Add up to 1 [Power Pole] from your Drop to your hand and play this card from your hand.