Trait

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Activation
Energy

Effect

[Raid] <KAMEN RIDER RYUKI> Switch to active. May move to the front line.
[When Played] Draw a card. Then, you may place one card from your hand into your sideline. If you do, reduce the AP cost of the next [ADVENT CARD] affinity card you use from your hand this turn by 1.
[When Sidelined] If you have a character with "KNIGHT" in its card name on your field, choose up to one character on your opponent's front line and switch it to resting.

Trigger

[Raid] Add this card to your hand, or if you have the required energy, perform Raid with it.