Level 30 to Magneton (and Magneton evolves into Megnezone when you level up at chargestone cave (in sinoh(I think!)))
Magnemite evolves at level 30 into Magneton.
Magnetmite evolves at level 30 into Magneton. Magneton can further evolve into Magnezone by leveling up at Mt. Coronet in Pokemon Diamond and Pearl or Chargestone Cave in Pokemon Black and White.
Level it up to Lv. 30, If you want MAGNAZONE bring MAGNETON to Mt.Cornet and level it up once more.
The level at which Pupitar evolves into Tyranitar level 55.
Scraggy evolves into Scrafty starting at level 39.
It evolves at level 42
Metang evolves from a Beldum at Level 20. Metang evolves into a Metagross at Level 45
Vanillite evolves into Vanillish at level 35, and Vanillish evolves into Vanilluxe at level 47.
Numel evolves at level 33
Finneon evolves at level 31.
Deerling evolves at Level 34.
It evolves at Lv. 30 into Pupitar. Pupitar evolves at Lv.55 into Tyranitar.