While the other version of Zur is good in the deck, this one turns every enchantment creature you control into a hard-to-remove brick wall of a blocker, if not a terrifying attacker as well
Ethersworn Sphinx Im happy to play Ethersworn Sphinx in decks that can reliably cast it for 4 or less mana, a pretty achievable goal
We're using the commons and uncommons to show off something cool about the set
The best ones are either cheap, like Sol Ring, or do something other than produce mana
Magic: The Gathering features a colorful variety of formats for gameplay, from booster draft Limited to cool constructed formats like Standard, Modern, Legacy, and certainly Commander
It gets the preference here over Arachnogenesis because elves are a much more well-supported deck than spiders, and you can certainly play both in your green tokens deck