Instead of running three card combos, maybe make sure your combos involve four cards, with none of them being your Commander
However, as a 4-cost Character in Amethyst, he faces tough competition from cards like Genie and Rabbit
Butterbur, Bree Innkeeper FromTheShire: I'm actually no sure if this even makes the cut in Hobbit/Food decks since it only triggers if you don't control a Food, and I suspect more often than not you are going to have them laying around at the end of turn, either because you made a ton or just don't have the mana to crack the one you have
It lets you play an entire curve of creatures without having to pay for them or find colored mana, and it lets you do it as an instant through any amount of counter magic
Zone or 99: Both Aragorn, the Uniter Lets call this my cant miss pick of the commanders for this set
Its worth noting that theres no Illumineers Quest, such as the aforementioned Deep Trouble set, as part of the Shimmering Skies product range