K (BT23-088 U) [Hackers' Slumber]

Product Details

[Start of Your Main Phase] By trashing 1 card with the [Undead], [Dark Animal] or [CS] trait from your hand, gain 1 memory.
[End of Your Turn] By deleting this Tamer, 1 of your Digimon may digivolve into a level 5 or lower Digimon card with the [Undead] or [Dark Animal] trait in the trash without paying the cost.