It seems that, rather than picking just one version, WoTC decided to capture Cid's meta-role across the entire franchise through its unique fifteen-variant artworks (representing the Cid of each main number FF game), plus the "any number of cards named Cid" clause - the first time these two design elements have been combined in MTG
Morph can be used to Shift any character, giving decks that run Emerald a huge advantage
The Crystals depicted on the MTG crossover cards are specifically from Final Fantasy III , which featured a timeline where the four elemental crystals all had dark counterparts (represented solely by The Darkness Crystal)
New properties like Wreck-It Ralph are introduced in Shimmering Skies, offering varied playstyles for both aggressive and defensive players
While at first glance this looks like your average four mana clone, pretty interchangeable with any number of blue cards for EDH players who want this effect, it's actually a fair bit better than most