Instead, they rely on your opponents creatures going into exile to create Rat tokens
Obviously if youre looking to run Knuckles as your commander, you should look at some of the other cards in the Sonic Secret Lair drop as cards like Super State and Knuckless Gloves are clear fits
These cards are just about the card quality, they are not so interested in value or other utility

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Elder Brain Elder Brain is another one that can do massive damage when coupled with the likes of Underworld Dreams effects