Son Goku, Arrival of the Hero (BT28-005) - Prismatic Clash

[Auto] When your red "Son Gohan : Youth", "Vegeta", "Krillin", or "Namekian" card attacks, choose up to 1 of your opponent’s Battle Cards with power greater than or equal to that card and KO it.
[Activate:Main] [Limit 1] R, if your Leader is a red "Son Gohan : Youth" card and your opponent has 3 or more energy : Draw 1 card and play this card from your hand.