But you can use it to, say, rearrange the power distribution of your team to destroy your opponents blocks, ensure that your Sword of Whatever and Stuff is equipped to an unblocked creature, and even use it defensively to make a meager blocker much stronger after you attacked with the creatures holding all your buffs
Token decks in particular are going to love this
Bell Borca, Spectral Sergeant Bell Borca, Spectral Sergeant provides one of the few commanders that reward you for exiling cards
Top red common: Volcanic Spite Removal always does well here - it's good regardless of a deck's strategy or a format's foibles
The attrition approach also allows you to keep mana up more easily for interaction, should the need arise, allowing you to protect your cards, destroy others, or simply buy time to assemble and cast a winning combination of cards