Thats about it: Zack Fair doesnt have any built-in way to accumulate more counters, any more synergy with Equipment, or evasion to make it worthwhile to attack with him
If you can stomach the cost, with the rest of the sets sold out and some singles already going for over $500, you'll want to lock in your preorders before everything vanishes faster than you can say Chocobo
Now you know which cards are worth something, its time to level up
Every pack of cards guarantees one Character Card, which earns you a free food item
Related This allows you to have a pseudo wall that doesnt need to take up your active slot meaning you can keep a damage-dealer up front
Outside of those however, many decks will enjoy this card, probably for the removal with others options if nothing else