Thankfully, there's no shortage of decent artifact and enchantment removal across the three colors
When this creature leaves the battlefield, sacrifice a Mountain
Often yes, especially for sets with strong chase cards
You still can of course, but planeswalkers, Stax, and decks with win conditions that thrive simply by biding their time (Darksteel Reactor and Azors Elocutors anyone?) are also very viable options here
You can also head here for an in-depth look at the history of the Pokmon Trading Card game.
It has use mostly for being a Scale 8 searchable from the Supreme King side of the engine, but with a large majority of the Magician side being high scales, this will not come up unless you were unable to access that side of the deck (which is very rare due to the existence of Loading