Just noticed this email:
Terms and Conditions:
*Offers subject to credit approval and to change, with or without notice. Offers open to United States residents only. Additional terms apply. American Express is a registered trademark of American Express and is used by the issuer pursuant to a license. Cards are issued by First Electronic Bank, Member FDIC, and powered by Cardless, Inc., 350 Townsend St., #610 San Francisco, CA 94107.
Members that join the Avianca Lifemiles American Express card waitlist will be eligible to receive an additional bonus miles.
LifeMiles earned apply to obtain or maintain the LifeMiles Elite Status subject to the rules of the Elite Program available at lifemiles.com.
Terms and Conditions of the LifeMiles Program apply, available at lifemiles.com.
LifeMiles is a trademark of LifeMiles LTD.
I doubt this will have any value proposition. Given Lifemiles quirks (which can sometimes be beneficial, but might be hard to take advantage of) and the transfer bonuses from other programs, what could this offer (for someone that doesn't fly Avianca)?