WWE sent this out today:

Happy St. Patrick’s Day!
Use code LUCKY and save
some Green…

Today only when you use promo code LUCKY you can get $5 off an order of $20+, $10 off an order of $40+ or $20 an off order of $75+. Offer ends tonight at 11:59 pm EDT.

http://www.wweshop.com/?cid=STPATRICK-01