Generally, yes for Japanese-printed cards, especially newer releases
It takes less effort to google your card, than it does to email me
The foils should all be at a premium price, considering the amount of product needed to get it and that theres only two ways we know of to get them: Attend a MagicCon (This may or may not include other big Magic events, well see) or buy the Festival in a Box, which goes on sale this coming Monday, August 19, at 9 am PST/12 noon EST/4 pm GMT
The Fallen Apart For starters this is my favorite name that I came up with for the set
Corrupted makes certain cards stronger if your opponent has three or more poison counters
The reason the average is high is that the rare and valuable Pokemon cards are being sold at a higher price, bringing the average higher