Armin Arlelt (Colossal Titan)Yellow

If you have four or more yellow characters without [Rumbling] affinity whose card names are unique on your field, reduce this card's required energy by [Yellow×3] while anywhere other than on your field.[If on the Front Line] The number of cards you can place onto your front line is reduced by one.[Raid] <Armin Arlelt> Switch to active. May move to the front line.[Impact (1)] (When this character attacks and wins a battle, deal 1 damage to your opponent.)[When Played] [If on the Front Line] Choose up to one character with 6000 or less BP on your opponent's front line and sideline it.