Sephiroth represents vengeance and chaos in all forms, as his story arc follows his creation, rebellion, and finally attempts to ascend to godhood
As everyone knows, Commander players start at 40 life, so Caduceus can start the game turned on
I chose to not include them since the formatting in schemes is so radically different from regular cards, but I do believe they deserve a special mention
This foretell-themed precon from Kaldheim is arguably the best value deck available at the moment, and it plays extremely well out of the box
Kalitas, Traitor of Ghet is another vampire sac outlet that is devastating for your opponents to deal with, denying them their graveyards and giving you protection against wipes
Then again, most cards that can use these tricks are often not available in Standard, so there is a weird divide to its predicted playability at the moment