Cell, Writhing Terror (BT26-113) [Ultimate Advent]

Product Details

[Auto] When this card is played or attacks, place up to 1 "Cell Games" card from under this card into its owner's Drop, then activate up to 1 of that card's [Activate:Main] skills from the Drop.
[Activate:Main] [Once per turn] Choose up to 1 of your opponent's Rest Mode Battle Cards and KO it.