Yeah I don't think you can get Dark Pulse but WoW and Nasty Plot can be bred onto a Misdreavus
You can get both moves from Spiritomb.
Male Cofagrigus with WoW breed with Female Spiritomb
Male Spiritomb with both WoW and Nasty Plot breed with Misdreavus
I used a stun spore and leech seed cottenee then mr mime with reflect and proceeded to set up with curse torterra, and luck was on my side as rain was going so his fire fangs did nothing aha
Crobat is an option (even though everyone uses him aha), covers the bug weakness aimed at Grumpig and Simisage, and the grass weakness toward Seismitoad.
Is poliwag weather based cause I am there constantly to level up my pokes and I haven't seen a single one
Also is there another department store sticker? I see people buying the type gems aha