Anya, Merciless Angel doesnt work as the commander because it wants a very different deck: Anya wants to lead an aggressive, low to the ground deck that pressures its opponents to buff Anya
If you enjoy this set and havent played the games before, I highly recommend giving them a go, especially Final Fantasy X
It gives you incredible value, and its the most expensive Sword for a reason
9 Blast Sphere - Secret Rare - $7.20 Maximizing Your Rarity Collection The Retro Pack has a few goodies in the roster, including reprints of cards that couldnt be found in regular packs at the time
While transformed, you can pay three blue mana to convert Jetfire, Air Guardian back to its front side and put three +1/+1 counters on it
Trample and blitz plus the ability to return it to the battlefield if it dealt damage to a player are a great mix of abilities to put pressure on an opponent while also drawing cards