Combat tricks and cards that trigger on attacking/encourage attacking.

Legends > Humans > Warriors > Monks, Ninjas, etc... (Normal people stuff)

Fighting themed cards. Combo Attack, Taunt, Defeat, etc...

Cards that can draw a connection to the Street Fighter story. Dollhouse of Horrors(Bison's Dolls), Captain's Claw(Vega), Brainwash(Cammy), Thorough Investigation(Chun-Li), Killer Bees(Cammy).