Not in a good way, mind you - one such Magic: The Gathering card saw a 90% decrease in price after the launch
There are more in the way of four drop lords but it is all a bit too much at that point
Test Your Lands And Other Cards In A Commander Deck Against A Variety Of Opponents Playtesting against various opponents gives a better sense of how the deck performs in different situations
Take a look at MaRos articles describing new sets - he does not just dump the image gallery and say let me know what you think - he describes the sets design goals, the mechanics, why they were chosen, how those mechanics were placed in each colour, the limited archetypes the set was designed around, some anecdotes about the design process, etc
Grade: A Green has a bunch of cool new cards for Commander, and quite a few could have easily made the Top 3 list
A healthy sprinkling of creatures in both camps are probably necessary for slower decks to have a fighting chance, but it's only the cards in the first group that are likely to wheel and make their way back around to the control player