Medusa makes it very difficult to get big powerhouse cards out with hopes of them lasting long enough to make an impact, and thats why her impact on the game is still felt to day several sets after she was first introduced
While I'm hoping that the return of MSRP for Magic: The Gathering products discourages this, we'll have to wait and see
The affected land keeps any other card types (such as artifact) and supertypes (such as basic or legendary) when it loses its land types
However, it's still worth understanding how it worked, as it could help us piece the clues together quicker, should Wizards run a similar secret promo in future
After all, Disney is already working with Magic for the multiple upcoming Marvel sets
Firion, Wild Rose Warrior Firon from Final Fantasy II is the master of all swords