The actual room effects we can choose along the way are a pleasant bonus, particularly the tokens and card draw, but they arent the kind of thing that is worth putting much emphasis on in Commander
As you might expect, there are a ton of unique and exciting cards being introduced to Modern
The anime clearly created this Fire fiend to give Kaiba a real challenge, and it worked
Yes, you can collect cards for their value, real or perceived, and their scarcity and out of the very human compulsion to tick off tasks and complete a collection alone
It also is a discard outlet and has the option to draw some cards when it untaps
The real decision that impacts your play experience will be how many other slots you replace with mana rituals, cantrips and tutors but Ill leave that choice up to you