In general, if you find a Mew card you should hang onto it they often pick up value down the line
I'm hesitant to mention counterdrafting in Level One because it's a relatively unimportant aspect of Booster Draft
Decks include Necron Dynasties (black), Forces of the Imperium (white, blue, and black), Tyranid Swarm (green, blue, and red), and The Ruinous Powers (blue, black, and red)
It doesn't copy whether that creature is tapped or untapped, whether it has any counters on it or Auras attached to it, or any non-copy effects that have changed its power, toughness, types, color, or so on
Gerrard's Verdict It never changes, since he pretty much hates everything
In other TCG-related news, check out the Artazon card from Ruler of the Black Flame [SV3]