This document is a reference guide to any changes made to
evolution methods within Sacred Gold & Storm Silver.
Locations for the required evolution items can be found in the
“Important Item Locations” document which should also be in
the same folder as this one.

If a Pokémon is not listed, then no change has been made to
its evolution method(s).
For the following Pokémon:
Clamperl, Dusclops, Electabuzz, Magmar, Onix, Poliwhirl, Porygon, Porygon2, Rhydon,
Scyther, Seadra, Slowpoke.
Instead of trading them with the necessary item, simply
“Use” it from the menu instead like an evolutionary stone.
For the following Pokémon:

Kadabra, Machoke, Graveler, Haunter
Instead of trading, obtain an item called the “Covenant Orb”
and simply “Use” it from the menu.
For the following Pokémon:
Magneton, Nosepass
Instead of trading, obtain an item called the “Voltaic Ore”
and simply “Use” it from the menu.

133 Eevee:

Eevee has had changed methods for four of its possible seven evolutions…
:: Espeon -> Get an “Aubade Orb” and “Use” it from the menu.
:: Umbreon -> Get a “Serenade Orb” and “Use” it from the menu.
:: Leafeon -> Get an “Woodland Ore” and “Use” it from the menu.
:: Glaceon -> Get an “Chilled Ore” and “Use” it from the menu.
In the case of Feebas, its evolution has not been changed; to
raise a Feebas’ happiness in HG/SS you must either get its
haircut or get it groomed by Daisy a total of eight times
combined to raise its Beauty to a sufficiently high point.
No other Pokémon have evolution edits.