[Breeding] [Your Turn] All of your Digimon can't digivolve.
[Breeding] [Your Turn] [Once Per Turn] When a [Royal Knight] trait Digimon card would be played, you may reduce the play cost by 4 Further reduce it by 1 for each of this Digimon's digivolution cards.
[Breeding] [Start of Your Main Phase] Reveal the top card of your Digi-Egg deck, then place that card and all of your [Royal Knight] trait Digimon as this Digimon's bottom digivolution cards.