Being able to play Discard spells is the best way to stick a midrange plan in modern, and Inquisition of Kozilek for sure suit that plan really well
This legend even enables an infinite card draw combo, making it easy to close out games
The rate is through the roof, which is why it shows up both in decks with a bunch of little creatures, like Elves, all the way to decks that play with exactly one large creature, like Primeval Titan strategies
In design and development, more often than not the entire card changes, sometimes to a completely different card than what started
This is in my opinion one of the most effective beater decks that we can build with the cards from the first five sets (LOB, MRD, MRL, PSV, LON) and abiding by the Limited and Forbidden list of April 2003