In your deck design, think, What could totally disrupt my plan? and maybe have some sort of answer available to at least possibly draw
2 Good Despite the term Good, this is a card with major flaws
Skull Dragon Spells Big Bang Shot Traps Rising Energy RARE Monsters Magician of Black Chaos Simorgh, Bird of Divinity Prime Material Falcon Goblin Recon Squad Kujakujaku Bee List Soldier Sonic Duck Spells That Wacky Magic
His knowledge, experience and thoughtfulness made this a very pleasant experience
All you need in order to help is either some level of familiarity with the TCG, or a willingness to learn, along with a good design sense
Each companion had their own story and while some were willing to join you after a simple conversation, others required convincing in the way of helping them achieve their own goals