If you can get over the fact that its name is in a different font, Mastermind Plum proves to be a really consistent advantage engine
In fact, I'd like to see multiple USS Enterprise cards, reflecting the various iterations this ship goes through in the different shows and films throughout the franchise, from the smaller Constitution class of TOS to the mammoth Enterprise-D
Honorable mention to the sliver precon, which will certainly have its fans
Then we have to multiply by the number of cards (30 for rares, 20 for mythics) to get the chances of a specific foil borderless card
Even at the regular Commander table, a cheap monarch card that's always in your opening hand and doubles as a potent finisher with its unblockable ability is well worth building around
Once this thing is in play, youre left with a truly terrifying threat