I'm putting a team together for the upcoming 2013 Spring Friendly and just need someone to review it for me.

Serperior @Leftovers
Nature: Naughty
~Leaf Blade
~Dragon Tail

Azumarill @Choice Band
Nature: Gentle
~Ice Punch

Unfezant @Focus Sash
Nature: Jolly

Scolipede @Life Orb
Nature: Jolly
~Rock Slide
~Swords Dance

Cofagrigus @Lum Berry
Nature: Bold
~Shadow Ball
~Pain Split

Gothitelle @Choice Scarf OR Choice Specs?????
Nature: Quiet
~Signal Beam

I'm mainly concerned about the item that Gothitelle holds, but any other suggestions would be greatly appreciated!