Only one stadium card can be present on the field at a time, so if another one were to be played, the previous one would be discarded
Sun & Moon Dragon Majesty Dragon Majesty is a very hard set to come by in real life due to the limited things it comes in
The game should end most of the time if you manage to pull this off, but if someone has the board wipe to get out of it, you should be stocked up to keep presenting threats
Swirling night skies are a pretty common illustrative choice, so the overlap might be more stylistic than a direct lift, but it lands in the same territory either way
And then you can use graveyard recursion like Open the Vaults to bring back all of your non-lands
Considering that this isnt exactly a playable card, this isnt a bad thing