Super 17, Shocking Arrival

[Barrier] [Auto] [Limit 1] If your Leader is a yellow "Super 17" card and it's your turn : When this card is discarded from your hand by a skill, look at up to 7 cards from the top of your deck, add up to 1 yellow Unison with a specified cost of 2 among them to your hand, and shuffle your deck. [Activate:Main] [Limit 1] Choose up to 1 of your opponent's Battle Cards and switch it to Rest Mode.