Rie Kishibe BT22-090-R Alter

Effect: [Start of Your Main Phase] If your opponent has a Digimon, gain 1 memory. [End of Your Turn] [Once Per Turn] By deleting 1 of your other Digimon or Tamers with [Knightmon] in its text or the [CS] trait, this Tamer may digivolve into [LordKnightmon] in the hand with the digivolution cost reduced by 3.

Inherited Effect: Security Effect [Security] Play this card without paying the cost.