It doesn't copy whether that creature is tapped or untapped, whether it has any counters on it or Auras and/or Equipment attached to it, or any non-copy effects that changed its power, toughness, types, color, and so on
Like X, you would probably want to play a fair number of everyone draws cards so that people are playing plenty of creatures with abilities you would like to steal
I still keep up with whats happening to Magic from a safe distance, far away from my wallet
The supplemental set known as Portal: Three Kingdoms holds an ABU-like high price on every card from common to rare due to niche availability
Or when they pay 2 mana to bounce two very good permanents, only to cast them again
Its also a burst of damage directed at opponents boards based on the number of lands you control