Riffle shuffle leaves many cards that were near the bottom still near the bottom. That's not exactly what I'd call 'truly random' ... which would be ANY card ha

Riffle shuffle leaves many cards that were near the bottom still near the bottom. That's not exactly what I'd call 'truly random' ... which would be ANY card has an equal chance of being ANYWHERE in the deck. A better alternative would be to put the bottom-third of the deck on top, then riffle.