I liked his mountains in particular, so I used the mountains from Tin Tin for the mountain cards in Magic. After this prototyping phase, Wizards of the Coast took over responsibility for finding the artists who would create the final illustrations for the games first Alpha release
Later in the game, its obviously a house, but can you wait that long
Another relevant aspect comes from the sets own synergies, with mechanics like void and station
Casting something like Counterspell means you're denying your opponent's actions, essentially declaring Not on my watch! when they attempt to cast a crucial spell
You can even loop two of these to keep up your spell triggers
When you go to the Un-Resources Site, you'll find Urza's Fun House with a button marked "ENTER THE FUN HOUSE" to click