The procedure can be repeated as long as we have mana to spend so we can draw (and discard) multiple cards per turn
a Illustrated by Japanese anime artists, having a roman numeral in the background which correlates to each character's first game appearance
Card grading services are professional at it, and while how much it costs to get your card graded is a big discussion, for 100 of the most expensive cards that are worth hundreds or thousands of dollars, it makes sense and builds confidence and trust in your buyer
This is how the database earns its keep over a vague Google search: you can stack constraints and arrive at the exact short list of cards youd consider
As a result, sometimes proxy/custom production can be way more interesting than the original one and can bring more joy and a gaming experience
You also have the luxury of thinning out your deck by including a bunch of cheerios, essentially cutting down on variance, while also allowing yourself more ways to activate any card draw payoffs