70 x 100 mm card sleeves Swan (70x100mm) - 150 Pack, Thin Sleeves ensuring your cards remain well Small Square Card Sleeves -

At the end of the day, its just sitting down and playing with new faces in a more structured format, and sometimes you may even leave with some new and shiny cards

This one uses a pseudo-convoke activated ability that makes it stronger when it attacks

Several Rank 9s are on DP for whatever reason, so you could use those with Level 4s, Level 5s could run Dora (Number 81 I believe) to protect their field or Gustav Max to finish off the game, Level 3s could get 62 or 107 for extreme comeback purposes, 2s could run Big Eye cause it's Big Eye, and 1s could get free recovery off M7

The short answer is no, Commander doesn't have a sideboard

Though its easier to get rid of now, Konami still hasnt brought it up from 0

Rare-B-Gone I think this is the perfect answer in a lot of Commander metagames for folks with very pricy, and pimped out decks