Supreme Victors is the third expansion in the Pokémon Card Game Platinum series and the third based on Pokémon Platinum and, more specifically, its new Frontier Brain lineup.
The Pokémon featured in the set, unlike in the previous two sets, are based on Pokémon owned by Sinnoh's Frontier Brains and Champion Cynthia, while also including Pokémon owned by Cyrus. The set introduces two new types of SP Pokémon: Pokémon FB and Pokémon C. Pokémon FB are classified as "Frontier Brain's Pokémon" and Pokémon C are classified as "Champion's Pokémon." All Pokémon FB are seen as part of Frontier Brain lineups in Pokémon Platinum.
This set is the last one where Premier Events that allows the usage of foreign-language prints be played with a reference. A change in policy for the 2009-10 season will restrict the usage of foreign language cards to 10% of the deck, and such cards can only correspond to sets released prior to the policy change taking effect.