The elite slot gives +1 atk after Musketeer has checked whether to get long range. The lookout slot gives resist 1 after Midori has checked whether something has an ability or not.
If you play Doom Grasp on a thing in the resist slot, you have to pay gold because it has resist. If you play sacrifice the weak, you must choose your opponent’s non-elite wisp instead of their elite wisp, because the elite wisp has 1 atk.