Split second doesn't stop triggered abilities from triggering, such as that of Chalice of the Void
The token doesn't copy whether Improvised Arsenal 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 types, color, and so on
Even if Beau is pretty easy to remove, it requires opponents to spend extra resources to deal with both creatures you get from this card
Moves 40 Clutch During your opponent's next turn, the Defending Pokmon can't retreat
Identity Thief will still be a copy of the creature during the next end step when the exiled card returns
WHAT WOULD IMPROVE CERTAINTY Obtain high-resolution images of the back of the card to assess back centering and any reverse-side wear