See Challenge # 157.

I considered having this trigger off any elf including other elfbloods but decided against it for now. I imagined that in constructed, you could go wild mixing this with as many elves as you wanted, but in limited elves would only be at higher rarities.

It would probably be templated with a parameter "Elfblood 2" etc even if the same boost is always used.

Hmm. But if there are no creatures in the set that are elves only (following flavour), what is this going to do in limited?

As I said in the first comment, I imagined that there would be some elves, but they would not be common. I realise that's not exactly what the creative originally suggested, but it seemed to convey the same impact, that non-human humanoids have been mostly wiped out. I usually assume that there's some room to negotiate the creative when it's a new plane (even if a magic set based on an existing world would need to fit it).

Alternatively, it could go to my previous idea, that it works on any elf (including elfbloods).

There could be a very small number of surviving elves.

Past Link: Jack's idea is completely acceptable. I feel like, re-reading what I wrote, it's very feasible and possibly even suggested that Elves and Dwarves are "around" and just hiding from humanity.

­:) I really enjoyed these challenges, you had an interesting world! It is often the case that one person's ideas for a world sparks another's ideas for what might be there. Although it's also unavoidable that people always take the idea in lots of directions including some that didn't fit what the original inventor wanted, that's just always going to happen, and isn't a problem unless people needed to come to a single consensus but weren't ready for actually doing that :)