To get this follow the steps bellow:
Note [1st you must have won at least 1 new card from playing against others in any mode]
- In Main Menu select Deck Edit
- From Deck in the top left of the screen select Empty Deck
- Select Trunk in the top left of the screen and the Select Card
- Select cards untill you have a full deck of 40
- Select Deck again in the top left and then Edit Recipe
- Save the Deck onto a new spot
- Leave Deck Editor and it will pop