Commander is not my favorite format not only because it tends to take forever, but because it feels like so much is up to what you draw and when
Mythos of Vadrok
Draw cards equal to the greatest toughness among creatures you control, then put any number of creature cards from your hand onto the battlefield
Drown in Dreams If you have a big or infinite combo engine, Drown in Dreams is a finisher
And sometimes, the decks focus is something silly like Ramirez DePietro being awesome, getting a ship, pirates, stolen booty (artifacts from opponents most often), a cannon, and Ramirez at the helm
First, every deck begins to look like carbon copies of every other deck, and that causes the format to stagnate