I agree.
Starter Set:
One white and one grey bordered, they were published by Joc Internacional and I.C.E.
In this sets you'll find 8 unique cards with different art than the other languages:
3 x Huida
2 x tumulario
1x discusiones oscuras
1 x ramaviva
1 x Boromir II
I don't know about rares, but this set was on ebay for 39€. Unsold (i guess, i suddenly have a doubt about that...).
http://www.ebay.es/itm/141451486575