Cell, Saiyan Absorption BT21-090

[Auto] When this card attacks, use up to 1 of your opponent's "Earthling" cards with an energy cost of 1 or 1 Earthling Token in a combo in your Combo Area. If you do, this card gets +10000 power until the end of your opponent's turn.
[Activate:Main] [Limit 1] G, choose 1 of your opponent's Earthling Tokens and switch it to Rest Mode : Play this card from your hand.
[Activate:Main] [Once per turn] If this card's power is 20000 or more : Choose up to 1 of your opponent's Battle Cards with an energy cost of 5 or less and KO it.