You will receive a Kanto starter in Violet City and a Sinnoh starter in Goldenrod City. Look for Bulbasaur (Thick Fat ability prevents Ice and Fire weaknesses) and Chimchar (Iron Fist and crucial early Fire/Fighting typing).
You cannot play Sacred Gold like standard Pokémon HeartGold. Doing so will result in an early trip to the graveyard. Drayano implemented sweeping balance changes that alter how you must evaluate your encounters. sacred gold nuzlocke tips updated
: Nab the guaranteed Spiritomb or trade for a Machop in the Goldenrod Dept. Store. You will receive a Kanto starter in Violet