Taking control of creatures is usually an effect found in blue, red, or sometimes black, and in EDH, grabbing an opponent's commander is a powerful move, often neutralizing a player's whole deck
Its really tough to know how each of the billion partner creatures will pan out, but with a likely ceiling on them around $6, I dont see money to be made buying at $3
Im not going to speculate about that value proposition here with Commander Masters or the set's preconstructed decks
They have event which act like mini tournaments giving you a chance to win even more rewards
There are significantly less red cheek variants in Unlimited, which is why theyre so rare and expensive
Meanwhile, splashes for Atarkas Command in go-wide builds or Boros Charm in burn-heavy builds could end up making it hard to fit the full four Ramunap Ruins into your lists too