basic rules to remember is no blockers, go direct, and thats a big clue for how to play Yu-Gi-Oh
There are dozens, perhaps hundreds
Services charge you a lot of money to handle all those things for you and Ill try to show you in this post that they arent that difficult if you approach things carefully
Mana is the most important resource in Magic, and pretty much every EDH deck plays at least a little ramp, with veterans often recommending about 10 ramp cards, though this varies by deck curve and win speed
You can try an assortment of different strategies to collect all of the pieces in your hand that work efficiently in your own style either through stalling the game, drawing until you have all of the pieces for an assortment of both tactics
That box becomes more than a one-time purchase, it's a game piece to be used repeatedly