One example would be my own nation.
Other amusing stuff I liked:
https://www.nationstates.net/page=deck/collection=17112
--will add more--
Animated cards are also a big PLUS.
If I like the card, I'll usually pay 1.5-2.0 times the junk price. If I like it more or it's worth more, up to 2.00 Currency. Possibly more.










