Yes, there is a cost to having money tied up, but its a lower cost than lighting a Benjamin on fire because you specced on something way riskier
There are sidequests and minigames you can spend endless time on
IMA isnt an overtly multicolor set, but its relatively thin and weak archetypes, combined with rampant colorless mana, allow decks to rely on individual overpowered cards rather than synergies (though there will be loads of synergies to rely on)
Recommended Commanders: Ratadrabik of Urborg, Roxanne, Starfall Savant, Cadric, Soul Kindler Nalfeshnee In recent years, red has been given card advantage by casting spells from exile, and every time we get a new impulse effect, Nalfeshnee gets that much better
The basic land art of Alayna Danner, Rebecca Guay, and Mark Poole all return in Commander Masters
Theres significant thought behind each artists signature, and if you ask ten artists, youll get ten stories of outside inspiration, practice, and hundreds of iterations and tweaks