Motherland Battle feature: Disposable Cards, also burn UMY with something new (can be used in current game also)

There will be a feature of skill crafting in motherland, Skill Crafting: there will be two disposable skills any player could use extra in a battle, from so many skills you could buy two disposable skills(Extra Cards each for one time use in battle) before you could use this feature, you need to buy skill from skill inventory by burning $UMY, each of that skill(card) is temporary and can be used only once in a battle, you can take two disposable skills(cards) with you in battle, and of course along with your permanent cards(skills) of your kara,