Son Goku Son Goku and Korin Martial Discipline BT22-081 - Critical Blow - Dragonball Super Card Details

Son Goku
[Activate:Main][Once per turn] Look at up to 5 cards from the top of your deck, add up to 1 "Son Goku : Childhood" or "Earthling" card— both yellow and with an energy cost of 4 or less— to your hand, then shuffle your deck.
[Awaken] If your life is at 6 or less and you have a yellow skill-less Battle Card in your Drop : Draw 2 cards, and your originally skill-less Battle Cards can't gain skills for the game.

Son Goku & Korin, Martial Discipline
[Permanent] During your opponent's turn, reduce the skill cost of "Grandpa's Heirloom, the Four-Star Ball's" [Activate:Main/Battle] in your hand by Y.
[Permanent] You can use yellow originally skill-less Rest Mode Battle Cards in combos.
[Auto] [Once per turn] When you play a yellow originally skill-less Battle Card, choose up to 1 of you opponent's Battle Cards or Unisons and negate its skills for the turn. Additionally, if it's your turn, draw 1 card.