Haze Shenron, Power of Darkness

If your Leader Card is a 《Shadow Dragon》 card : When this card is played from your hand or discarded by a 《Shadow Dragon》 card's skill, you may look at the top card of your deck; if it's a black 《Shadow Dragon》 card you may add it to your hand, otherwise, place it at the bottom of your deck.
, if your Leader Card is a 《Shadow Dragon》 card and you switch this card to Rest Mode : Choose up to 1 black 《Shadow Dragon》 card with an energy cost of 3 or less in your hand and play it.