Intrepid Stablemaster smooths out your colors, and works as a mana dork even if you don't need the color requirements (I suspect this guy is really more for Mounts, which tend to have color, as opposed to Vehicles, which are far more often colorless)
We appreciate that attitude because it's what makes the Cardsphere roll round
We have to come up with a new solution
Though initially believed to be Numbers 1-4 of the original 100 Number Cards, they are revealed to be malignant cards created by Don Thousand with dangerous effects on non-Barians, with the real 1-4 being Don Thousand's Numeron Gate cards
Discard this Pokemon and all cards attached to it, then put the new Pokemon in this ones position
It's a clever design that accomplishes its goal really well