Even in a world of fancy lands, you can count on a few Islands out there, in fetched triomes and shock lands, etc
These include Sazh's Chocobo, which delivers pressure from turn one
Theres also the likes of Sol Talisman, which is basically a Sol Ring that takes three turns to actually come into play
In design and development, more often than not the entire card changes, sometimes to a completely different card than what started
Tarkirs three-color faction world meant that for many people discovering the format too late to find Commander 2011 at their local gaming store, they would finally have access to wedge generals
Also, every once in a while one of my friends or family Googles my name and stumbles across someone raking my name over the coals