Your opponent may fall for it
Reserved List Cards - Guaranteed Scarcity Value The Reserved List is a list of MTG cards Wizards of the Coast has promised never to reprint
But that would mean that there are heavies out there in the 17.6x range, and Ive never seen a Dragon pack in that range (and Ive owned 15 or so)
All is Dust Speaking of flexible, All is Dust ranks pretty highly on my list of sideboard cards because of how easily this gets cast off of Tron lands or Eldrazi Temple and completely demolishes the opponents game plan
This deck should consist of a mix of energy cards, item cards, trainer cards, and of course some Pokmon
Although your Commander may very well be the most important card in your deck, we would suggest that if you are building your very first list (we built our first when the format was still called Elder Dragon Highlander), that you may be well served in deciding on your individual playstyle and choose your colour(s) first