Eren Jaeger (Doomsday Titan)

If a character with "Zeke" in its card name is on your field and <Eren Jaeger (Doomsday Titan)> is not on your field, reduce this card's required energy by while anywhere other than on your field. This character cannot block a character with . <Eren Jaeger> Switch to active. May move to the front line. (When this character attacks and wins a battle, deal 1 damage to your opponent.) Play up to one [Nine Titans] affinity card from your hand or sideline set to active onto your field. You cannot activate this ability on the turn this character is played. Activate this character's ability.

Trigger

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