Sistermon Ciel [BT10-085] [Xros Encounter]

[On Play] If it's your turn, you may digivolve 1 of your Digimon into a Digimon card with [Royal Knight] in its traits in your hand for its digivolution cost. [Your Turn] [Once Per Turn] When one of your Digimon digivolves into a Digimon with [Huckmon] in its name or [Royal Knight] in its traits, gain 1 memory.