Looks like amex green AU can receive the clear credit and lounge buddy credit while having $0 AF!!
(Possible moneymaker?)
$100 CLEAR CREDIT
Your Additional Card Member can breeze through security at 50+ airports and venues nationwide. Share up to $100 in statement credits per calendar year with your Additional Card Members when a CLEAR membership is paid for with an American Express® Green Card on your account.4
loungebuddy®
$100 LOUNGEBUDDY CREDIT
With LoungeBuddy, your Additional Card Member can gain access to airport lounges. Share your annual statement credit of $100 per calendar year with a loved one when they use their Additional American Express® Green Card to book lounge access through LoungeBuddy.5