Crystal Gazing (BT22-114) [Critical Blow]

Product Details

[Activate:Main/Battle] If your Leader is a yellow "Fortuneteller Baba" card : Look at up to 3 cards from the top of your opponent's deck and place them on top of their deck in any order.
[Activate:Battle] Y, declare 1 number : Reveal the top card of your opponent's deck, then flip the revealed card over and place it at the top of their deck. Additionally, if the revealed card's energy cost is the same as the declared number, choose up to 1 of your "Fortuneteller Baba" cards, and it gets +5000 power for the turn.