magic jumpstart booster box Foundations - Traditional Foil of any rarity replaces a Common in 33% of boosters. Foundations Jumpstart Boosters – Mox

Many collectible card games (CCGs) and trading card games (TCGs) use holofoil printing techniques to add flair and perceived value to their rarest cards

That alone is decent value, but splice onto instant or sorcery lets you sneak this effect onto all kinds of spells mid-combat or at end step

The most valuable cards from Inferno X heavily feature Charizard, but the unusual group of Pokemon selected to be depicted as Special Art Rares (SARs) in this set features a fun blend of characters

(of course, this could also lead to lower grades, and they get their fees regardless.) The point is, different collectors will have a variety of experiences and preferences, so the honest answer to the question who is the best grading service is that it depends