It can be a flying, two-mana 2/2 which is incredibly on curve and powerful
Let me put it this way: If you built a Marwyn, the Nurturer elves deck, every non-elf creature you draw would feel like dead weight in your hand
Cheap cards like Llanowar Elves can accelerate you early and then become decent threats later
You can store all the dices & tokens you use with your difference commander decks inside.
Sometimes youll even find cards that are entirely exclusive to these boosters, and that exclusivity can drive their stock up
People use proxies for a bunch of extremely normal reasons: - Playtesting new decks before spending money - Commander upgrades without chasing down every last staple immediately - Cube maintenance (updating lists without re-buying a small nations GDP) - Kitchen table games where the goal is fun, not authentication theater - Protecting valuable cards by keeping originals safe while you play with substitutes If your group is on board, proxies are often the simplest way to keep games creative, fair, and actually happening