You usually just make an effect for each of the three colors
I happened to have this idea right before one of the few challenges I was able to play in, so I deviated from my normal brewing process and took it right into the challenge
Tod and Copper team up on this Enchanted Emerald Ink card, which interestingly holds the Puppy classification on it
Costing just three ink - with the option to add it to your inkwell instead - Cheshire Cat, Not All There focuses entirely on questing, with zero strength but two precious lore points every time you quest
Ahoy Mateys LIC Commander Precon deck The Ahoy Mateys Commander deck in LIC is in the MTG colors UBR (Blue, Black, and Red), with the face commander Admiral Brass, Unsinkable
In this case, Turtle Team-Up is a special set of decks that let you and a friend team up against a Boss deck that pilots itself