Due to exclusiveness the cards are considered very valuable
Like most Magic: The Gathering cards, the value of Avatar depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Magic 2010 Tokens)
Based on the all new Yu-Gi-Oh
There are quite a few ways to go, and most of them involve counters and probably proliferate
The reality of opening Pokmon cards is maybe spending $10 on a couple of packs, and when statistically thats unlikely to net you anything more exciting than a Nidoking, its not THIS GOOD! Its actually a bit sad
Based on the history of fetches in Standard, the "normal" level of fetchland play is around four copies per deck