You can evolve a Magmar in Diamond, Pearl and Platinum by trading it while it's holding a Magmarizer. However, Magmar cannot evolve in Pokemon FireRed and Leafgreen.
You have to trade it.
level 40.
trade it with an up-grade
train it to level 40
It evolves at Level 30
you have to use a shiny stone
you have to trade it with it holdin a metal coat
yes keep on doing macthes and you will get leveld up and if you get leveled up a bunch of times you might elvole(elvole means somthing changed )
pikachu into raichu and evee into jolteon
17
You will get Magby.
when it is held by magmar, and then magmar is traded, magmar will evolve into magmortar