6 Diamond Valley Market Price: $501.49 Diamond Valley is a utility land that can't actually generate any mana
Three Hammer Time players are splashing blue for Spell Pierce, and the other two are mono-white
Or just slap it on a Stuffy Doll and laugh maniacally, since you're obviously a supervillain if you do that
Even though any one of these factors can contribute to the overall design of a card, a card is best when all factors come together
(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
Red has lost some its traditional best picks, like Sulfuric Vortex and Shrine of Burning Rage, but some powerhouses still remain