If Wizards of the Coast bans a card, its usually for a good reason, so there need to be massive changes to the format its banned in for it not to be a problem anymore
Circle of Protection: White seems rather weak against a color designed to destroy enchantments, and many blue decks can take complete control of the game before leisurely bouncing a Circle of Protection: Blue (assuming they aren't just decking you to begin with)
Soul WardenSoul Warden vs
Bundle Each Bundle contains the following: 9 Magic: The Gathering FINAL FANTASY Play Boosters 2 Traditional foil extended-art cards from 161 extended-art legendary cards 32 Full-art basic lands 1 Spindown die 1 Magic: The Gathering FINAL FANTASY card-storage box Gift Bundle Each Gift Bundle contains the following: 9 Magic: The Gathering FINAL FANTASY Play Boosters 1 Magic : The Gathering FINAL FANTASY Collector Booster 2 Traditional foil extended-art cards from 161 extended-art legendary cards 32 Full-art basic lands 1 Spindown die 1 Magic: The Gathering FINAL FANTASY card-storage box Starter Kit Face off against a friend with Cloud, Planet's Champion or Sephiroth, Planet's Heir
Klauth, Unrivaled Ancient Klauths standout strength is turning Dragon combat damage into enormous mana bursts , often generating enough mana to cast multiple Dragons or finishers in a single turn