My Fate to Bear Eren SP (AOT/S50-E002SP SP) Attack on Titan Vol. 2 Card details

[AUTO] When this card attacks, this card gets +X power until end of turn. X is equal to 500 multiplied by the number of other characters you have with "Eren" or "Mikasa" or "Armin" in its card name.
[AUTO] [CXCOMBO] When this card's battle opponent becomes REVERSE, if a card named "Yell of Rage" is in your climax area, choose up to one card named "Anti-Titan Device "Omni-Directional Mobility Gear"" in your waiting room, return it to your hand, and this card gets the following ability until the end of your opponent's next turn. "[AUTO] When this card is frontal attacked, you may return this card to your hand."