If a player plays a Stadium card while there already is one on the field, it replaces the current Stadium which is then sent to its owners discard pile
Since Aria sets the condition "you win if this is still around next upkeep" you don't need any sort of outlets
Theres also a fair amount of deck manipulation in here, which makes sense considering you need to be able to make sure you hit those enchantments regularly
Time and time again, players will have worked out how to stay alive through trample, often hanging on by a thread
I would argue that this is one of the better decks on this list for new players, as its creature-heavy nature is good for learning about combos, synergies, and how dynamic certain creatures can be, but if you hope to make it truly competitive at your game night, it's going to take quite a few upgrades
Even obscure cards can move in price if collectors, Commander players, or older format players suddenly want them