If you like the idea of an artifact deck but want to be a little less all-in on pure artifacts, we have Ashnod, the Uncaring as a backup/alternate Commander
Very knowledgeable at when to switch gears to win a game
If Aang's Iceberg leaves the battlefield before the activated ability resolves, you will be unable to sacrifice Aang's Iceberg and will not scry, even if Aang's Iceberg was sacrificed via a different ability while its activated ability was on the stack
I also recommend at least considering the gameplay experience of the other players at the table when thinking about what you want to build
For others, you'll surveil and then perform other actions
Equally important are ways to chip away at your opponent's health, such as Impact Tremors , which will ping them for one damage every time you get a creature into play