Dismember is a Modern staple that can destroy almost everything in the format for 1 mana and combos with Urborg, Tomb of Yawgmoth if you don't feel like paying life
When you're looking at similar items, the one with free shipping often ends up being the better deal even if the sticker price is slightly higher
Lets check out the best exile effects in the game
(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
It's how the app has been monetized, with the developers hoping that players will find it hard to resist some of those rarer cards, buying up packs in the hope that a few will appear
Heroes and villains, trainers and their defining Pokmon, rivalries that have been part of the franchise for years finally getting the kind of premium card treatment collectors actually care about