Take On the Challenge of an Eternity. The hustle and bustle of the city turns into havoc as Mega Floette ex brings turmoil to the streets. Filled with courage and determination, Mega Greninja ex gathers other powerful Mega Evolution Pokemon ex, including Mega Pyroar ex and Mega Dragalge ex, to ward off this growing threat. As night falls, danger blossoms in the Pokemon Tcg: Mega Evolution Chaos Rising expansion.