Rage Shenron, Negative Energy Explosion

[Blocker] [Auto] 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. [Auto] [Burst 1] If your Leader Card is a "Shadow Dragon" card and it's your opponent's turn : When this card is used in a combo from your hand, switch up to 1 of your Leader Cards to Active Mode.