I think he's talking about the individual cards and if they have differing properties in comparison to each other. Such as, would putting the bat-winged skull card in his deck have better or worse or neutral effect on predicting with the deck.
~ Vanxa
You see Grazhir cracking open in one sharp movement.
The World Dragon emerges, roaring soundlessly.
It moves to sear Katamba to a lifeless black.
You see the night sky, filled with stars.