There aren't any major rules that are unique to Artifacts, but many cards care about the number of Artifacts you control, or can only target Artifact permanents
That way you can gas up their decks, let them see what its like to pull off explosive plays later in the game, and theyll likely have a lot more fun than if they are totally mana screwed in their first game
And lets say its some kind of typal deck without quite enough support
It might not be as good as Prosper, Tome-Bound, but Vihaan is an intriguing alternative as a treasure commander
Is the Brackets system going to catch on and become the de facto way to play Commander
Ancient Adamantoise Any use you get out of Ancient Adamantoise makes it great, because the rebate of 10 treasures is massive and often means you can cast a larger and stronger spell after this