That can be commanders that help you draw cards, provide ways for you to avoid being mana screwed, or just ones that keep the game moving and interesting
Even the threat of doing so was valuable, as no one could set up a combat where they would be crippled by facing a 7/7 instead of a 5/5
Unfortunately, with a high cost and incredible ability, Muldrotha is one of those commanders that attracts removal like a magnet
Commander (2011) was designed as a new product for a relatively small format, while Commander 2013 wanted to shift the product a little into becoming an on-ramp for new players by offering them a deckbuilding challenge
Then, Madam Mim can bounce him safely back into your hand, setting up a vicious cycle that, if it isn't stopped, can give you a huge lore lead