Most cube designers will say 360 cards so that you can fire an 8-person Draft with 15-card packs and draft all the cards available
That said, Zareth Sans combat damage trigger can be very powerful, so its an appealing commander if you build in ways to give it evasion
The card has no folds or inking and is perfectly sleeve playable (in fact its in my Old School deck) but its not an attractive copy for ones collection
Then each creature that isn't an Insect, Rat, Spider, or Squirrel gets -1/-1 until end of turn for each creature you control that's an Insect, Rat, Spider, or Squirrel
This legendary artifact lets you play the top card from your deck anytime you like, while swapping their mana costs out for an equivalent life lost exchange