The game's biggest difference is that players can summon dragons which can be controlled to attack specific enemy structures during battle. (thatvideogameblog.com)
You can increase your might by defeating enemies, claiming and rebuilding enemy structures you take over. (coin-drop.com)
These cards have advantages that aid you either in the battlefield (such as destroying enemy structures or keeping particular troops from moving to new countries) or in skirmishes (giving you temporary powers for your dragon or recruiting mercenary units to aid you on the battlefield). (thatvideogameblog.com)