once a landfall deck gets its engine running, it has no trouble dropping two or three lands in a turn, and the Godmaw converts spells like Reshape the Earth and Cultivator Colossus into immediate kill spells
However, the price of The Ur-Dragon has really kept people from enjoying the broken mechanic that is Eminence
It can win games just by being cast, but has a prohibitive cost and no way to keep it on the battlefield if other players target it
One of the first decks I ever built was Zedruu the Greathearted thanks to the very first wave of Commander decks from all the way back in 2011
However, in competitive Magic: the Gathering formats, there are more efficient cards for similar effects, such as Explore or Growth Spiral, which cost less mana and provide immediate value
There were lots of complaints about the inconsistent look of the cards when the last Hatsune Miku drop was revealed