Well, I've been meaning on working a series of sorts working with lesser reptiles (See: Levii, Pyrtle). Kind of like lesser dragons in a way. Now, Wyvern and related notes are already used, so I had to dig a bit deeper.
Now, as a four winged being, it seems to need some control over air flow. Tempest comes from it's mass control of currents, sending creatures back to their owners. Also, creatures with larger health, which usually denotes larger size and weight, are least likely to be affected by the wind. In exchange, creatures with smaller health, such as Ray of Light or Damselfly, have a 50% chance of being returned.
On that note, creatures with no health, such as Ball Lightning, will be automatically returned to the deck.
