Does the card you are using to make your check add all the traits listed on that card even if it is lacking a mention of the trait in the Powers box?
For example,
Noxious Bomb lists Poison as a trait, but does not mention "with the Poison trait" in the description in the Powers box. Does this mean it doesn't use Poison and so is effective against the Undead?
Or, Pistol +1 lists Magic as a trait, but doesn't mention it in the description ("your Dexterity or Ranged skill + 1d6 + 1"). So it doesn't shoot magic bullets and can't kill a Shadow (which needs Magic to be defeated?)
I have been playing that you need the mention of the trait in the description for it to be added, but Noxious Bomb made me wonder.