one piece prb-01 the best booster box Japanese Features reprints of popular cards from OP01 to OP06 and event Premium Booster Box PRB-01 One

Contact your local game shop and ask them when they host Commander night (every MTG shop will have one)

You have to get rid of a second card to pay the cost, but the tempo gain and protection offered in that exchange are much greater than the loss suffered by pitching some other blue or green card

As a personal example, when I was creating the tests for Judge Academy, I wrote up multiple scenarios with a "right" answer that judges should know, but then couldn't find a rule that backed up that answer

An innersleeve, outersleeve and toploader are the bare minimum, but you may also want to invest in some even more secure Screwdown Holder that will completely protect it from the elements