If you try really hard, you can actually squeeze parts from one machine into another, and it works just fine
You can also play into an aristocrats strategy, where you sacrifice your own creatures for your benefit, using your Humans as a resource to drain your opponents' life totals without even going to the combat step
This means that players are building poor Mill decks or they are jamming it in decks that really dont want it
Also, restoring life isn't too difficult
Moreover, Wizards of the Coast has a Reprint Policy called the Reserve List - which states that certain Rares printed from 1993 to 1999 will never be reprinted (either identically, or through functionally identical game pieces)
This new themed booster pack will be called Mega Shine and is set to arrive on March 25th