There is no way to put forbidden cards in a deck for a tournament. If the cards are forbidden then you can't use them its as simple as that. But keep an eye on the lists some cards may be taken off the forbidden list and you can then use them.
"The Cheese" A deck of cards.
remove all cards in your deck delete them then buytwo rubbish/cheap cards, put in deck tye in'duplox' an you get 5 free cards
very carefully
A deck of cards.
Ultimate Tyranno Infinity OTK
A deck of cards
OK listen to what I say. I run a deck that has won over 100 duels and o loses, and it's a Zombie Deck. First buy the Zombie Madness Structure Deck and then the Zombie World Structure Deck. After that, take out the bad cards and put in the good cards to make a deck with at most 45 cards. Next, search Trolland Toad(the link is mentioned below) for Zombie cards that could really be useful. For additional Zombie Decks information, visit the link mentioned below.
i don't now
In Yu-Gi-Oh, a sideboard is called a side deck where you put extra cards in to switch out in between duels. However, a side deck must contain 15 cards or 0 cards.
There are several cards with effects that let you get specific things from your deck, like Iron Blacksmith Kotetsu searching for Equip Cards. However cards that let you choose any card from deck, are rare. One of the most common is Gold Sarcophagus. It lets you banish a card from deck, and put it in your hand two turns later.
You can just change what type of forbidden list you want and than you can put in certain typeses of forbidden cards,but some will stay forbidden no matter what.
Some effective mono red tutors for finding specific cards in a deck include Gamble, Imperial Recruiter, and Goblin Matron. These cards allow you to search your deck for a specific card and put it into your hand, helping you find key cards to improve your strategy.