Customized card back

and it absolutely floored me

At other times

2 specially printed jokers featuring a gold key

Illusion d'Optique Playing Cards | Art of Play Olivera Customized card backIllusion d'Optique is the most jaw dropping collection of optical illusion playing cards ever assembled. Housed in a wild, rainbow sheen holographic tuck case, you may feel like you're hallucinating before you even open up the box. Inside, you'll find 54 eye popping original designs created by a master of visual perception, Gianni Sarcone. Watch closely as colors change, shapes transform and static, printed ink seems to come alive. Sarcone has