business card designed / eye popping design needed

I need an eye popping business card that I will use for “Referrals.” On the front of the business card should say $25 referral (price should be easily changed) and words should be included is “Refer a friend and you get $25 credit on your next bill and your referral gets $25 off their first month bill.” On the back of the card I need a similar eye catching design, but I will need to placed that we can hand write in names of the account manager who gets credit and the person that referred the new customer.