Originally Posted by Fat RaikouLover
CM Latias is the most reliable sweeper ever, bar none.
Burn Scizor / Genesect / Tyranitar with the W-o-W Mew or Jellicent and your golden. Good game.
I use PranksterEye. It can't take a hit, but it annoys the opponent a ton, causing them to make some risky plays. Of course, +1 Recover and Taunt are a plus as well.