Is the Brackets system going to catch on and become the de facto way to play Commander
In many cases, this adds value to the cards as they will never be seen in a new set again
Illustrated by: BBC Studios Not Legal Traditional Standard Not Legal Traditional Alchemy Not Legal Traditional Explorer Rulings 2021-03-19 Past in Flames affects only cards in your graveyard at the time it resolves
It might not be as good as Prosper, Tome-Bound, but Vihaan is an intriguing alternative as a treasure commander
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
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