RR Clumsy Birthday Stark (Bukiyouna Tanjoubi Stark)

[Self] [CX Combo] [Put a card in your hand to the waiting room, and put one "Privilege of Youth" from your Climax Placement to the waiting room] At the beginning of your Attack Phase, you may pay the cost. Then, this card [Stand], you choose up to one "Clumsy Birthday Fern" in your waiting room, place it in a frame of your choice on the stage, and perform one of the following two effects you choose. "[Eternal] Until the end of your next opponent's turn, this card gains "[Eternal] Great Activity." You choose up to one card in your waiting room and place it on the stock place."