90!

Stephen Fry demonstrates in this video some amazing numbers about the probabilities of a 52 card deck.



Start video at 39 min 30 seconds.

Now imagine the insane amount of combinations we play with as we go up to 90 cards.

more than 14,857,159,644,817,614,973,095,227,336,208,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000 combinations.

It is far less than that when you have copies of the same card in your deck, especially with no card limit.

its still a delightfully huge number