Obviously it is possible that Bulbapedia is wrong - but this is information thats been posted and taken for granted for probably 20 years
(There is psychological value to countering an opposing spell with a Force Spike since they are so easy to play around, yet it's not worth playing around them in Commander because they aren't heavily played, which makes getting your powerful spell hit by Jwari Disruption especially devastating.) As for the rest of the bunch, Silundi Vision is listed as an often play just because you need to be a reasonably spell-heavy deck for it to work
Then, when you get Corrupted going, this becomes really good, as +2/+1 and First Strike is going to win you most combats, and the boost is once again permanent
Like any high-demand release, it launched above MSRP and has seen price normalization since
While Your Favorite Character will never be the most powerful commander, if you just really want to build a themed deck around, well, your favorite character, this is an option now
Eight mana is pushing it, but Sauron, Lord of the Rings delivers