Rogue Refiner is nice in the fact that it replaces itself and provides you some extra Energy to use for some of your other Energy enablers
I could discuss DFT cards all day here, and this list could easily have 60+ cards, but thats all the time I have for today
If your Commander opponents have spent the first handful of turns casting mana rocks and ramping, you can set them back significantly with a large Rampaging Yao Guai
Exiled from this format, not good enough for Legacy, and without Premodern to find shelter in, this poor sacrifice outlet is living out its days in over 100,000 Commander decks where it can help set up a frankly ridiculous range of loops and engines that you can browse through on Commander Spellbook
This Kuzan fixes that problem
Creatures with coin counters on them are also protected against exile-based removal too