Cards like Adeline and Anim Pakal churn out bodies like nobodys business, and there are card draw engines that work incredibly with tokens entering play
The Mana Base Since this is a 5-color deck you're running just about any untapped multicolored land that's legal in the format
Single or multiple color channels can have the incorrect ink consistency, have something obstruct the channel (like a splotch), or have the rubber rollers not properly cleaned between passes resulting in all sorts of neat misprints, which I cover in the beginners guide to misprints
I think early pack two is a good point to decide what to commit to, but again, it's way too early to delineate a successful strategy, so take this with a pinch of salt
We spent a year on worlds inspired by Asian cultures
In sealed format, player can ignore color requirements