Time Spiral design specifically left morph out, and it was a major part of early Planar Chaos design
There are, of course, a number of smaller underlings in the brood, but most players are familiar with the hulking tentacled titans that often end games of Commander, whether through the annihilator mechanic or just by being really, really big
Emerald characters also tend to have keywords like ward and evasive, which make interaction through actions or challenges a nightmare for opponents
Legendary Planeswalker - Chandra Chandra, Torch of Defiance +1: Exile the top card of your library
Flying You may cast colorless spells and artifact spells as though they had flash
Building this commander is a nice exercise because youll want to mill opponents, cast low-mana value spells to be able to double spell a lot, along with casting some high-cost spells