Card Remover
From Aero Wiki
" This NPC let you remove all the cards that is compounded on your items, you just need to gave him 1x Yellow Gemstone, 1x Star Crumb and you need to have enough zeny for the process. There is some instances that the process will be failed, but you don't have to worry you just need to repeat it and give him the requirements again. "
* NPC Location: Located at the Left side corner of the Poring Market.