Mount Doom isn't just powerful and exciting to use
And if you manage to stick it without any threat and back it up with removal/countermagic, then you just start generating too much value
As a coveted tournament prize card which also happened to be an integral part of the metagame, the Treasure Cup Queen card understandably saw its value increase dramatically almost immediately after the first copies went up for sale
Although it lacks an ability and has only one attack, its impact lies in its control effect
On the flipside, if your key engine costs a ton of mana, like Kozilek, the Great Distortion, a big beefy ramp card like Thran Dynamo will get Kozilek out much earlier than a Mind Stone
Focus : The plains landscape Mood : Rolling, lush, beautiful Color : Land associated with blue mana Location : Island or coastline area Action : Give a wide, beautiful landscape shot of an island or coastline area filled with unique natural rock formations