While you're only allowed to a 60 card deck into the match, the more cards you collect, the better chance you have of building a dominating deck
The side deck is very targeted - let's **** up the end boards of Spright and Tearalaments, with a little extra focus on ending backrow and outing the Mine, with a little extra respect paid towards Branded Fusion versions of Tear, on the basis of Anti-spell really messing with that deck, but also just being deadly going first against pretty much every generic deck floating around the meta.
Pauper cards are any Pauper-legal commons that arent currently on the ban list
see rule 701.47c) one or more of those permanents chooses one of them and it connives
Warrior Lady YS14-ENA04 YuGiOh Space-Time Showdown Common D.D
The attack G-Max Centiferno allows you to attach a fire Energy each time the attack deals damage, which in turn allows the attack to deal 40+ damage