Depending on your deck, you might also want to look at Clever Concealment, Flawless Maneuver and Cosmic Intervention the latter of which is a lot of fun with fetchlands and mass land destruction, or board wipes when you run a lot of strong EtB effects
An Amethyst/Steel Frozen deck, or a Villain deck, which could result in any combination of Amethyst, Ruby, or Emerald
However, even a weaker version of Knight is worth considering
Darkrai appears to be the hardest card to pull, with one or two in every bag
Electabuzz also offers a wide range of prices, with damaged copies starting as low as $16, while NM copies typically sell in the $60 to $100 range leaving plenty of wiggle room based on the specific card's condition
Therefore, I won't be doing any major Commander brews like normal, but we will do another Top Ten next week