It can special summon as many Valkyries with different names as the player has from the hand
(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
Rayquaza EX SR (1st Ed) [BW5-O 053/050] Expansion Pack Dragon Blade 49
If you can't, you lose the game
#7 Path of Annihilation Excellent for ramp, this card can give you up to 4 mana by tapping and sacrificing Eldrazi tokens, and also helps sustain you in the late game
With a damage output thats virtually uncapped, Gholdengo ex has shown its proficiency at slinging one hit knockouts against even big HP Pokemon something which probably isnt sustainable for a balanced format with all of these Mega Pokemon running around