The opportunity cost here is the thing you have to consider
Every Magic: The Gathering FINAL FANTASY Play Booster contains an art card (which you can learn more about here) or a non-foil double-sided token featuring one of the set's 23 full-art tokens or the emblem created by Sephiroth, One-Winged Angel on each side
Ideally, you'll want to establish Vault Door after your characters are able to quest, but before playing a location , to ensure that the location doesn't get banished before Vault Door can protect it
Your comments may be removed if your language could be interpreted as aggressive or disrespectful
Horseman is a reasonably-costed Knight that can help recur your other creatures too
Tourach, Dread Cantor Tourach, Dread Cantor is a powerful threat that sees Modern play, and it can be a nice commander too