Is there any way to get Magmar's and Electebuzz' evolutions without cheating or using Action Replay?

Answer 1

If you have your fire red or leaf green slotted into the bottom of your ds you can find wild magby (leaf green) or elekid (fire red) while playing diamond or pearl on the route 227 and stark mountain but the evolution items are attached to them that's probably what your after.. Note they is only 8% of seening these Pokemon in the wild. Also it might take you a while searching for them let alone getting there items.

So try a Pokemon knowing the move thief or trick to receive the item. There's a catch depending on which game your playing diamond or pearl. A magby on Pokemon diamond with leaf green slotted in only has 5% of holding a magmarizer wheareas if you where playing on pearl it would be raised to 50%. This is where you find wild magby.

Have fire red slotted into the ds and then you can find wild elekid with the item electrizer on the route 205 (south) and the valley wind works. Only 8% of seening a elekid in the wild also same with the actual item there is only 5% of elekid that hold a electrizer if your on pearl whereas if your playing on diamond it's raised to 50%.

Then you can trade your electabuzz/ magmar with a mate with the right item electrizer (electabuzz) and magmar (magmarizer) and you will have your electavire.