They can't attack any player or planeswalker
So Zimone is all about controlling creatures, which isn't a terribly exciting playstyle
Here's a sample, where Garth duels a Planeswalker: "Garth extended his hands and a living wall was erected before him, momentarily blocking the attack
Like a good mix tape, this announcement is all rise, with the final item being something you don't want to miss
There are several combos that are commonly played with Brago to help ensure he hits repeatedly, with tempo-based triggers like Tempest Caller and bounce effects such as Reflector Mage joining the abusable Cloudblazer
Inspired by the hedrons that the Worldbuilding team added to Zendikar, the Creative team came up with the idea that three ancient beings imprisoned by the hedrons were causing the chaos on Zendikar