you by them at the store and unlock a code online at sonic stars people are awesome as helium dot computer on manual (com)
You have to fight and unlock them, and there are no Sonic Battle cards outside of the game.
It was mostly a one time thing in Sonic Battle.
no
buy it
Sonic Most Plays
yes I can
Try mostplays.com
It's me Ishmael
You get them randomly as skill cards at the end of a battle.
In "Sonic Battle," you can obtain color cards by participating in battles and defeating opponents. Each battle you win contributes to your overall ranking, which can unlock new cards. Additionally, you can find color cards in treasure chests scattered throughout the game. Collecting these cards allows you to customize your characters further.
they have not made it yet
try sonicgames site.