As for keywords, for the Legacy version, in the Old World
ORDER, HUMAN, CARMINE DRAGON, FREE PEOPLE, MONSTER, HERO, WIZARD.
For the mortal realms, rename the warscroll, Battlemage on Carmine Dragon
ORDER, HUMAN, DRAGON, CARMINE DRAGON, COLLEGIATE ARCANE, MONSTER, HERO, WIZARD, BATTLEMAGE
Also, you don't have the damage table for the Carmine Dragon.