RLStine once more, to talk about Magneton.

The Fossil Magneton has some ability, including more
HP, and resistance-breaking abilities, while the Base
Magneton shouldn't be kept "in the shoebox" (Pojo
Magazine, Jan. 2000). Thunder Wave for 30 and might
paralyze isn't bad, while Selfdestruct will kill
Magneton (unless you have 2+ Defenders atatched), but
does 50 to resistant, 80 others, and KOs pokemon with
weakness to Lightning, and works well in Curse decks.
F. Magneton is a resistance breaker as Sonicboom,
however weak, will hurt Rhydons, Dugtrios, and others.
Selfdestruct is similar to B. Magneton's blow-up move,
but does 70 to resistant (bye-bye Rhyhorn), 100
otherwise, leaving Charizard and Chansey to live
through that, and KOs pokemon with weakness.

So, except for the self-KO part, Magnetons are very good.
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