It adds +1/+1 and gives both double strike and trample, and the real kicker is that you can attach it to a creature for free when it enters
Any "as [this land] enters the battlefield" or "[this land] enters the battlefield with" abilities of the chosen land card will also work
All the various choices made from worldbuilding to names to flavor text to art to card mechanics blended seamlessly to make a truly amazing new world, one that both explored things Magic had never done, yet also felt at its core, like something the game could have done thirty years ago
Golgari Self-Mill, for example, is a list that picked up some very nice new tools from Final Fantasy
Just was random and lucky to find in the middle of a bunch of normal cards
Advantages of Certificates of Authenticity Authentication of authenticity Third-party grading with special Protekter Fabricated