Since it was tied to an in-person play event, that distribution was extremely limited, which has made the card popular with the same crowd of collectors and investors who routinely target Reserved List cards
Rakdos, the Muscle Another sacrifice deck commander except I like Rakdos, the Muscle
It hits for 18 damage in a 4-player game on its own, and any sort of on-combat benefits really push it over the top
However, if such a creature can't attack players other than you, it must attack you (unless you control it) or a planeswalker or battle it can attack
Use card sleeves for protection, and keep high-value cards in toploaders or magnetic holders to prevent damage.
Two-card combos are hard to pull off because you need both cards at the same time, but when one of those cards is your commander, youll always have at least one of those cards at the ready