Rakuten is 5% cashback at FTD right now.
AA is 20 miles or potentially 25 miles per $1.
$63 x 25 = 1575 miles
$63 x 5% = $3.15 cashback
Getting to EXP this way means spending $7686 on an AA card, or Rakuten would get you $230 in cashback?
FTD is definitely the stronger play.