A fairy and ghost line requiring trade for evolution would be intresting.
Well, Gourgeist and Trevenant required trade evolutions, but perhaps it wouldn't hurt to have three or four Pokémon lines introduced in SM that required trade (Fairy, Ghost, Fire, and maybe Ground).
For the Fairy line, the base is an based on an imp. It grows into a slightly bigger imp that has a rock-shield growing from its left arm and a sharp dagger in its right hand. It diverges into two different kinds of fairies after trade depending on its gender. The male becomes a Rock/Fairy ogre and the female becomes a Steel/Fairy warrior elf.
The Ghost line is a black wolf line that resembles Smile-Dog (AKA cutest dog evar). The pup is grinning, the more mature wolf is more husky-like, and it's showing its smile, and trading the smiling wolf brings about a black-red larger wolf with its ears back.
An alpaca line is the Fire line requiring trade. Small burning coal llama to a larger alpaca, which upon trade evo, it becomes like Mega-Absol, in that it develops fiery wings, but doesn't necessarily get a Flying secondary type.
The Ground line is a bipedal capybara line.
What about a new Eeveelution?
If we got Sylveon in gen 6, what do you guys think about another one this gen? Perhaps the long awaited Dragon typed one?
I'd definitely would like a Flying and a Dragon Eeveelution.
But I also want a Poison and a Ghost Eeveelution that evolves via lowest Friendship in the day and the night, respectively.
