That also means we'll be treating Flourishing Defenses, which spiked due to High Perfect Morcant, as a 50 cent card instead of a $14.50 card
There are plenty of people who learn about this game through Commander, exclusively play and discuss Commander, and never once trouble themselves with thoughts of other Limited or Constructed formats
I don't recommend completing the purchase process until you optimize it because you're leaving money on the table otherwise
Even if they manage to get a load of stuff back you are still good to go, your things will have haste, will be able to provide some mana and should be able to outright kill their whole board before attacking
Nonetheless, the more cards that get added to Arena, the better
The previous Cats printed had heavy affiliation with Equipment, so Nazahn, Revered Bladesmith would push that way