Two of the games best card draw effects are cheap and appear at common-rarity in amethyst (Friends on the Other Side
Sephiroth gives you the latter two out of the command zone, being a Blood Artist that can also cash your creatures in for cards
She can quest for two and has a defense of eight, but more importantly, she has an ability where, as long as she is in play, whenever a card is added to the player's inkwell, they gain one lore

We developed a workflow that asked concept artists and card artists to pull hallmark character designs from Yoshitaka Amanos original (and legendary) concept art, the original FFVI sprites, and the FFVI Pixel Remaster character portraits, to synthesize the most consistent elements of each characters design into something new. We also encouraged our artists to punch up finer details and bsexplore elements where they thought they could push (fabric, patterns, textures, etc.) Then, we would meet with the Final Fantasy VI review team, and they would give us feedback on what core elements they wanted to preserve and what new elements they were excited about. "It's our hope that the [FF6] character designs should feel like how you 'remember' them..." So they had the four games decided, but when it comes to Commander, thats only half the equation WOTC also needed to figure out which characters would lead each deck