It's a game of chance!
This time we have;
Behind 2 colors is 4 random cards.
Behind 2 colors is 3 random cards.
Behind 2 colors is 2 random cards.
Behind 2 colors is 1 random card.
Last time we had;
Behind Purple+Grey is 3 random cards.
Behind Brown+Red is 2 random cards.
Behind Blue+Yellow is 1 random card.
Behind Green+Orange is nothing... *SOB*