Advice on my Goodra idea.

[GamerXiphos]

So, although i've played Pokemon since red and blue i've only recently gotten into the competitive side of Pokemon.

Now with the Goodra that I'm raising, I was looking for some advice on a few things.

Goodra @ Leftovers
Ability: Gooey
Level: 50
EVs: 252 HP / 4 Def / 252 SpD
Careful Nature
- Curse
- Toxic
- Rest
- Outrage

So this is what I'm making it a defensive pokemon, raising it's attack and defence and then using Outrage.

What item should i use for this though and is there any other advice on what i could change?