(3/16/2018) The creature enters the battlefield, so it will trigger enters-the-battlefield abilities even if you choose not to pay
Colorless decks can certainly be made to work, but there is no doubt you are dramatically curtailing your options for both card and effect selection
Then, if you have 2 or less Life cards, play this card
I had no trouble drawing most of my deck with this list, the troubles I had were not having second copies of key finishers like Ezuri and not having a deep enough library
Out of all the best Vampire Commanders MTG has in its crypt, Mathas is the go-to pick for masterminds who win with mind games, not muscle
More importantly, it reads: If an opponent would mill one or more cards, they mill twice that many cards instead. This thing makes milling out opponents so easy its almost laughable