Cant Turn My Back

“While you have a Digimon with the [Xros Heart] trait, you can ignore this card's color requirements. <br>[Main] Place all Digimon cards in 1 of your [Xros Heart] trait Digimon's digivolution cards under 1 of your Tamers. Then, you may play 1 Digimon card with the [Xros Heart] trait from your hand with the play cost reduced by 1 for each card this effect placed.”