Each pack includes one to five cards of Rare rarity or higher, three to six Uncommons, five to eight Commons, one Land card, and one Traditional Foil card of any rarity
We are less concerned about opponents attacking our Leader, as they will typically be more preoccupied with managing our field rather than aggressively pushing to end the game
I know a hidden place
On Trainer cards it will always be found in the very bottom left hand corner of the card and for Energy cards it will always be in the top right hand corner, next to the word Energy
Sephiroth would likely be the face commander and could have either a resurrection effect (referencing the events of Final Fantasy 7: Advent Children) or the ability to deal massive damage on a ticking clock, akin to the Meteor in the original game
There are 77 golden chocobos from Final Fantasy, there were 3 (hundred) rings given to the elves, and The Brothers' War Retro Artifacts were the first large scale printing of serialized cards