This mechanic was inspired by ninjutsu, a mechanic I'd made for the Ninjas in Betrayers of Kamigawa , except instead of swapping creatures, it swapped Auras, and instead of the mechanic working in your hand, it worked on the Aura on the battlefield
Now, through the hoarding of resources, pressure from bandits, and the political power of the Iron Throne, Sarevok is preparing his own bid for godhood
From basic abilities like flying (Winged Sliver) and first strike (Talon Sliver), to powerful effects such as destroying permanents (Necrotic Sliver) and Afflict 2 (Lazotep Sliver)
Challenge (Attack) an Opponents Character: You can have one of your ready characters challenge one of your opponents characters, but only if the opponents character is in an exerted state
You need blink and mill, and if you have enough of a setup to get value off this there are much better things you can do than big Orc
But wow this is such an interesting way to deal noncombat damage in commander