If any mods are confused as to how I did my math the turn before I won, it's like this: Start with 9 cards in deck, 2 Pot of Greeds + Card Destruction in hand.. Draw for 2 pot of Greeds (4 cards), 5 cards remaining, 5 cards in hand, one of them Card Destruction. Discard 4 cards, draw 4 cards. 1 card in deck, 4 cards in hand.
You can't discard cards that you don't yet have in hand. Like before the last draw when you had 2 pot of greeds and Card Destruction. You can't discard cards drawn by pot because you don't even have yet them in the hand.