Hm, I don't know if this remark of mine should be in the grammar thread, but do you mean that it
a) attracts prey (it can be mistaken for something to eat, at least if a Pokémon with a different eyesight looks at it)
b) scares enemy
c) confuses ememy (and also Sceptile_Master, I see)
Or it can, of course, do all of them.