I'd be happy to do so. Where would you like me to deliver the egg?

[Even as he speaks, he starts looking through his papers for the notes he took about previous clutches.]

Against Morty, I'd recommend the Sandygast line. Their secondary Ground-type has the advantage over the Gastly line's Poison, they learn a few life-draining moves to reduce the number of potions you'll need, and they can learn Psychic from a TM in a pinch.