You can copy big, flashy spells like Crackle with Power, Expropriate, and Aminatou's Augury to throw yourself well ahead of your opponents or lean into the combo side of things
Whenever it deals combat damage, that many counters get removed, so it is a fantastic way to shortcut waiting around for the time counters to get removed normally
In development, the team tried out a vanishing mechanic where a summon-like creature would slowly die over several turns, which was read as a downside
that the higher your level, the stronger you are
But playing the same kind of game every time can get boring, and if a player repeatedly uses the same commander deck against the same group of people (as this format supports), their opponents may quickly come up with ways to counter it
Locking down someone's commander and turning off its abilities can sometimes be better than straight up removing it all together