The delayed triggered ability created by chapters I and II triggers separately for each of the target creatures, even if, somehow, they end up dealing combat damage to the same player at the same time
Furthermore, you can use this copy to attack or as a way to get the most out of any ETB effects on your board
Similar to Chatterfang, Squirrel General , this card will not give you double the amount of your tokens, but instead give you a 1/1 Citizen for each attacking creature you control, including your token creatures
This effect drops off at higher power levels where decks are more likely to win through a combo than a mass of creatures, but this can stop many combos, like Glint-Horn Buccaneer, anything with Kiki-Jiki, Mirror Breaker, and combos that loop cards like Pyrite Spellbomb or Moonglove Extract for infinite damage