Like Kefka, Sephiroth would be playable with the front side alone
For more Rules help, read: How To Play Lorcana FULL Beginners Guide How To Use Locations Every Lorcana Ability + Keyword Explained
It shows how little the designers understood the game they had created that this card - which lets you draw three cards for one mana - was assumed to be roughly as powerful as Giant Growth, Lightning Bolt, Dark Ritual, or (of all things) Healing Salve
Meanwhile, Demona makes for an excellent one-of in this deck, forcing opposing characters into resting, acting as superior draw, and letting you swing for an incredible board removal turn
According to legend, should a l'Cie fail to fulfil their duty, otherwise known as their Focus, they turn into a Cie'th, a creature damned to wander the world unliving and undying
And obviously, the card makes Peter Pans easier to catch