Rules Discussion: The Flop

A nice little mechanic in any game is the ability to draw from the discard pile. Gin Rummy is a classic example of using the discard pile as a resource, but there are numerous games that actively draw from the discard pile. A few that come to mind are 7 Wonders (which allows you to pull from the discard pile by activating the ability on certain Wonder boards), Magic (which, like it or not, set a lot of standards for modern gaming), and even Twilight Struggle (which allows it with a couple of key cards).

Now, I should differentiate the discard pile from the "flop" because the flop is there for people to draw face-up cards, but the discard pile is intended to be the landing place for played cards or cards that were discarded because of a game effect. Ticket to Ride, Core Worlds, Star Realms, many of the Cryptozoic deck-builders, and Poker are exemplars of games that employ flops for drawing.

Anyway, do you have a favorite game that involves discard pile drawing?