Single Ray of Light Eren Titan (AOT/S50-E008 R) Attack on Titan Vol. 2 Card details

[AUTO] When this card is placed on the stage from your hand, until the end of your next turn, this card gets +4500 power and the following ability. "[CONT] During this card's battle, all players cannot play "Backup" from hand."
[AUTO] When this card is placed on the stage from your hand, you may choose a card named ""Crimson Fighting Spirit" Eren" in your waiting room, and put it face down underneath this card as a marker.
[AUTO] [(1) Put this card into your waiting room] When this card becomes REVERSE in battle, you may pay the cost. If you do, choose a card in your waiting room that was a marker of this card, and put in on any position of your stage as REST.