I'll dive into four cards, legendary for their difficulty
In the broader Commander meta, I'd expect to get my board wrathed a few times and end up not doing much of anything, but with Commander precons being relatively light on wraths, simply making big tokens and copying them a bunch of times seems like a pretty easy pathway to winning
Whenever you cast an instant or sorcery spell from your library, copy it
On top of that, whenever you cast your first instant or sorcery card from your graveyard each turn, you get to copy that spell
Something like Xyris, the Writhing Storm or Nekusar, the Mindrazer needs its commanders to survive to win the game
Ive picked out some of the drops that I think really deserve the spotlight, and by the end, well have a clear answer to both questions