Syn Shenron, Power of Darkness

[Double Strike] [Auto] [Limit 1] (-), if your Leader Card is a black "Shadow Dragon" card : When you remove a marker from one of your Unison Cards using a [Spirit Boost] skill, play this card from your hand, and your opponent places the top card of their deck in their Drop Area. [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.