They do not adhere to the cEDH metagame
I dont normally come out and say that every person should buy a new product like this, but Ive only seen a little bit of it so far, and Im convinced that anyone considering playing any Commander now or in the near future should go ahead and buy them
Designer Notes: The Ur-Dragon is a great way to play all your dragons early by reducing their cost, while also helping you draw cards and finish out the game once you get to 9 mana
And it's worth it as this magecraft is nasty
To make full use of the bard, you must build towns into your deck which is rather restrictive in the number of options, but flexible in nature
As a package of stats with an expensive activated ability, Chameleon Colossus is nothing special, but toss in a random protection ability, and suddenly it looks more appealing