This poke is awesome, thanks to its egg moves :)
Slurpuff @ Sitrus Berry
Ability: Unburden
EVs: 252 Atk, 252 Speed, 4 HP
Adamant Nature
-Yawn
-Belly Drum
-Play Rough
-Thief (yeah...)
Enter on a dragon/Yawn a bulky poke and then belly drum+sitrus to gain good amount of HP and the unburden...