Tetzin, Gnome Champion One blue, one red, one white legendary artifact creature - Gnome - 2/2 - Rare Whenever Tetzin or another double-faced artifact enters the battlefield under your control, mill three cards
By positioning Chapter Two as a sequel, the games designers can push recurring characters in new directions
Invasion of Kamigawa's enters-the-battlefield ability can target an artifact or creature that's already tapped
The downside is, a gentle loop around the systems quickly becomes a well-trodden path, and then inevitably a more compulsively marched one, ultimately leaving that familiar footprint trail on the mind - the one of automated, invisibly compelled muscle memory
Collectors may also want to look for Tokens/Emblems which are essential for maintaining a high level of organization during gameplay