Players enjoyed the opportunity to get multiple rares, having a guaranteed foil slot, having an opportunity to open a card from The List , getting an art card, etc
Prahv taps for colorless but has an Azorius color identity which reduces how often it can be played in Commander
However, as the player bringing Hokori to the party, you're able to plan accordingly, filling your deck with alternative means of creating mana, namely in the form of artifacts
This will be a very meta dependent card, but in the right meta it will be one of the most powerful cards in the format
Thanks to giving players an infinite number of Rad Counters, Nuclear Fallout should be able to mill all your opponents before it mills you
Rakdos, however, can't utilize this as well because the creatures are generally too small to win a combat even when equipped, or the creatures are off-plan and don't trigger the wizard theme