what is a side deck in yugioh Complete Custom for Yu-Gi-Oh! What is a side deck?

It doesn't handle Maxx 'C' or Fuwaross that well

Three mana 3/3 is always a good start and a nice little stat bump to your other creatures is very welcome, especially in the go-wide decks

It's useful for checking what a set's Collector Booster or Play Booster contains before buying

If we're going to spend time flipping through our collections, saving pennies to order the cards we need, finding the exact alt-art version of our Commander, choosing the correct color of sleeves, and organizing a night with multiple people in the same place to play a game, it's worth more than a single calculation to figure out how much mana we need, and how much ramp we should run