Sephiroth, the Savior / Atraxa, Grand Unifier (FCA) $35 Most FCA cards are excellent in one Magic format or another
Outside of +1/+1 counters, I can see an infect or toxic deck or a very low to the ground Saga deck is going to gain a lot of value out of this
It's worth noting that BCE reportedly has next to no experience in verifying anything larger than individual booster packs, meaning the company may have missed some important information
Bravery comes in all sizes
The incredible new Astral Dragon is a fantastic Commander card on its own, and if you happen to have a Cursed Mirror on the battlefield when you cast or otherwise bring Astral Dragon to the battlefield, you create two tokens that are copies of Cursed Mirror, and have those Cursed Mirror copies enter the battlefield as copies of Astral Dragon, which will enter the battlefield and can create two copies of Cursed Mirror, which then you get the idea
Tap a mana and him to sacrifice an artifact and fetch one that's one mana more
