Keeping a six-mana Planeswalker alive isn't always easy, but if Chandra sticks around, she can pressure the table, clear the board, and refill your hand turn after turn until everyone else starts feeling the heat
If you want the weirdest place to start, try Crabomination with artifact sacrifice value
Players likely enjoy the artifact commander's open-endedness
That may sound slow, but assuming youve also got a few one mana creatures like Ruin Crab, which mills whenever you play a land, and maybe a couple of copies of Tashas Hideous Laughter, then you can easily take someone out by turn six or so with this strategy
I want the guaranteed upside of something like Vanquisher's Banner first, but theres a pretty high ceiling on this