These include the Battle Bus and Supply Llama as Artifacts (Battle Bus is a vehicle, and Supply Llama an artifact creature), a battlefield wiping sorcery called Shrinking Storm, and even a Dance Battle enchantment
The release reduction effect doesn't work well with things like "Wind Monarch Riser", and there aren't many cards that can make use of the vanilla effect in your hand
Cards That Do Not Have Smart Priority Any time you want to do anything fancy with Lion's Eye Diamond, such as activating it in response to If you want to cast one of these in upkeep, you will need to set a stop
Given how long Celebrations has been out by now, and the fact that a reprint is unlikely, I doubt this value will go down much in the near future
This can definitely close out a game, but it's super expensive and kind of challenging to actually trigger landfall the turn it comes down