Son Gohan & Hire-Dragon, Best Buds (BT15-098) - Saiyan Showdown

[Auto] When this card is played from your hand, look at up to 7 cards from the top of your deck, add up to 1 yellow [Field] Extra Card with an energy cost of 1 among them to your hand or activate it, then shuffle your deck.
[Activate:Battle] [Limit 1] Switch this card to Rest Mode, then choose 1 yellow [Field] Extra Card in your Battle Area and place it in its owner's Drop Area : Choose up to 1 of your mono-yellow "Saiyan" cards and it gets +1000 power for the battle.