hell blaze, inferno, heat wave, hell demon, the lamest one is microwave i ensist NOT to use the name microwave.
give your magmar a magmirizer and trade with it to get the evolve form of magmar.
The only way to obtain Magmar in Pokemon FireRed is to trade it from LeafGreen.
None magmar is only obtainible in leafgreen and Pokemon xd gale of darkness.
First you need a magmar leafgreen and Pokemon xd gale of darkness can get magmar trade magmar to ruby then breed it hatch the egg to receive magby.
magmar