HeartGold and SoulSilver Promos were produced from 2010 – 2011.
There are a total of 25 cards
Cards are numbered HGSS??
Black Star Promo cards do not have a rarity symbol but all are marked with a black star with the word Promo on top.
Listed below is a complete HeartGold SoulSilver Promos Card List
HeartGold SoulSilver Promos Card List
HGSS18 Tropical Tidal Wave