To help fix your three colors you have the on-color shock lands from Ravnica , the check lands from M10 and Innistrad , the slow lands from Midnight Hunt and Crimson Vow , and a cycling land from Amonkhet (other cycling lands are good budget options, more on this below)
Shes a memorable character from the game and a powerful draw card when used at exactly the right moment (even if I do prefer her SIR from Stellar Crown more)
Cards from the set should be making their way over to the UK in January
They introduced new archetypes, tight synergies, and flavorful tools you'll actually want to play
Art separation is not unheard of
Each pick below is one of the best MTG Commander cards not just because of their power level, but also because of their ubiquitous nature