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, or so on
Two of these will add to the tax that someone uses to target your stuff and the other puts a one-time shield around your creatures
A lot of discard outlets double up as card quality or something else but you would want at least 4, likely closer to 6 in your list if you are relying on it to enable your stuff
One of the things we realized when setting out to do an artifact set was that there were certain qualities about artifacts that had to get represented in the block
It's a staple top-end card for Green ramp decks for a reason, and is even better when you can blink it over and over again with a Roon of the Hidden Realm