Bertholdt Hoover (Colossal Titan)

The number of cards you can place onto your front line is reduced by one. <Bertholdt Hoover> Switch to active. May move to the front line. (When this character attacks and wins a battle, deal 1 damage to your opponent.) (When this character attacks and deals direct damage, deal 3 damage instead.) Sideline all characters with 0 required energy on your opponent's front line. This character gains "This character cannot be chosen by your opponent's character or trigger abilities" until the end of the turn.

Trigger

Add this card to your hand, or if you have the required energy, perform Raid with it.