You play Dragons, Miirym copies them, and the board fills up fast with flying threats
The main commander, Zurgo Stormrender, rewards you for your token sacrifices, letting you draw a card when a token leaves the battlefield while attacking, or making each opponent lose a life if it does not
Indeed, the possible lack of sleeves on site may have led to some copies being poorly packaged
Now I can repeatedly drop multiple Elves into play alongside a Shaman with Kayla, replacing my hand each time
The alternative commander is Elsha, and though I believe she doesn't really work in the command zone all that well in this precon, I can't deny she does make a huge difference when she enters play
When you activate a creatures ability, it goes on the stack, and at that point its independent of whether the creature stays on the battlefield or not