It doesn't copy whether that permanent is tapped or untapped, whether it has any counters on it or Auras and Equipment attached to it, or any non-copy effects that have changed its power, toughness, types, color, and so on
Its included in the Mutant Menace preconstructed deck, where it demonstrates its worth in buffing mutant creatures Though it may be a touch expensive to cast, Atomize could very well become a common face in Commander at Large
Kind of like a drop rate, except instead of killing a monster in a video game and picking up loot, you open a digital pack of cards in a simulated card game
The deck has some top 8s and top 16s here and there but hasn't had a breakthrough showing just yet
That's a lot for a three-mana creature
Do you mulligan a two-land hand on the play with only 3-drops in it