Sayo BT22-102-SEC Alter

Effect: [Start of Your Main Phase] If your opponent has a Digimon, gain 1 memory.
[Your Turn] When one of your Digimon with 2 or more same-level cards in its stack attacks, by suspending this Tamer, digivolve it into a Digimon card with the [Night Claw], [Light Fang], [Galaxy] or [CS] trait in the trash with the digivolution cost reduced by 2.

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