Just two days ahead of the release of Artifact, Valve did what Valve does best and released a new comic. It's called "Prelude" and it serves as a prelude to their upcoming card battling game. A second comic called "Call to Arms" will drop on Wednesday. These comics "sets the stage for a series of events that will transform the world of Dota forever." So, are they changing the base Dota game as a result? Because if not, that seems like a kind of silly thing to say about Artifact, no? Any...