You only need to describe the MTG image you want, its style, color, mood, or setting, and the AI engine will create an image from your description
If you ever need to ship your cards, place them in semi-rigid sleeves, sandwich them between two pieces of cardboard, and use bubble wrap to keep them from moving around in the box
While this may seem like a rather large card pool, its actually rather limited as there are over 23,000 cards legal in the Commander format
I like to think about a Marina Vendrell EDH deck as the Niv-Mizzet Reborn for enchantments
It makes them unblockable from threatening opposing creatures and doubles up on all your triggered abilities
They gave impressive game ending potential and made the deck impressively threat dense