The Ultimate Challenge

[-- OMG LINES --]

Beat somebody with the following team, in the following order, using

Pikachu
Dragonite/Garchomp
Duskclops
Abomasnow
Alakazam
Yanmega

First person who can complete this list gets to challenge me, and my team will be...

Each person has to take 5 challenges to retire.
Lines's Team for the battle!
Torterra
Skarmory
Milotic
Dragonite
Yanmega
Garchomp

[zmactarheel]

What is this on? Is this on D/P? I don't quite understand this, please explain.