The leading reason is likely the more powerful graveyard hate, such as Endurance
Whenever he quests, the next item you play that turn costs two less ink
The "Commander Effect" on Pricing Commander is currently the most popular way to play Magic, and it is a "singleton" format (players only need one copy of a card)
In the cEDH world, this is a dedicated piece for Noctis, Prince of Lucis
I dont think Thousand-Year Storm and Experimental Frenzy naturally synergize well enough to make up for their awkwardness together (drawing cards isnt the best with Frenzy and Frenzy makes it harder to set up optimal Thousand-Year turns), but I wouldnt rule it out completely
These two factors create an environment in Magic that leads to things like arbitrage, price manipulation, and temporary buyouts