Dormant Legend

(Place and activate this card in your Battle Area. It remains in your Battle Area until you activate another . When you do, place this card in its owner's Drop Area.)
You can't place cards under this card, except with this card's skill.
When a card in your life is added to your hand or placed in your Drop Area during your opponent's turn, place the top card of your deck under this card.
If there are 3 or more cards under this card : Place this card in your Drop Area, choose up to 1 red 〈Broly〉 card with an energy cost of 4 from your deck and play it, then shuffle your deck.