While this is pretty normal for a lot of Commander decks, it's a bit much for a precon
When you smash face to an opposing player, you can put a dork you exiled on the battlefield under your control, which is likely with its flying, and then you can tap it in future turns to keep up, if your first crew was answered
The lack of knowledge about where it is gives a player hope
Lastly, while I've got you here: for anyone that would prefer to start their 40-card experience with Sealed Deck (and/or doesn't know what that term even means) make sure to check Jeff Cunningham's archive for the best Sealed Deck introduction series I've ever seen anywhere
This way you can cast your land to destroy effects and be the only one to keep playing their spells for a while
Strong Back may be yet another creature gets increasingly large for each aura and equipment in play/attached to it/in your favorite sandwich, but its also a huge cost reducer