Some Citi cards have an offer of a $9.99 credit for Uber One. Can be used twice. Also separate offers for Uber and Uber Eats discounts.
"Get $9.99 back on your Uber One membership fees. New Uber One members only. Expires 6/30/2022 or while supplies last. Offer excludes taxes and fees. Not valid with other offers. Offer may be redeemed up to (2) times per person. Subject to change or cancellation."