Effect
<Blocker>[On Play] [When Digivolving] You may play 1 Digimon card with [Sistermon] in its name from your trash or 1 Digimon card with the [Royal Knight] trait from the digivolution cards of your Digimon in your Breeding Area without paying its play cost. You cannot play [Omnimon] or [Gankoomon] with this effect.
