Both had converted Mana costs of six and both were flyers, but the Mahamoti Djinn was a 5/6, where as the Shivan Dragon was a 5/5, although the latter was pumpable, you could still kill one with the other
For one mana you get pretty complete information, hopefully some options, a one for one trade and good proactive disruption
Updated Final Fantasy is easily one of the biggest crossovers we've ever seen for Magic: The Gathering
Yes, it is pretty narrow but having an extra mode which simply lets you win the game on the spot every now and again is actually pretty big on an otherwise very playable card
Kairi, the Swirling Sky evokes swelling oceanic imagery when you consider the translation of Kairi in Japanese, which makes a lot of sense given it reads like a Kraken or Leviathan
At common, creatures like Mechan Shieldmate and Cloudsculpt Technician grow stronger when you play or control artifacts, but thats true for every blue deck