Players who pre-ordered the games Pokémon Black and White have received the games' copies and started revealing information on Japanese forums. As such, a bunch of information is currently being revealed.
Information will follow as we obtain it.
Dent, Pod, and Corn
Grass, Fire, Water
Makes all Pokemon up to Level 20 obey its Trainer.
Makes every Pokémon up to Level 30 obey its Trainer.
Makes every Pokémon up to Level 40 obey its Trainer.