The idea behind this one is that, rather than choosing your commander first, you decide on what your deck wants to do first
A decade ago, the original Khans of Tarkir block probably wasnt designed with Commander in mind the way so many of todays sets tend to be
Like with Scute SwarmScute Swarm, Compy SwarmCompy Swarm will have a great time in Mutate decks like Brokkos, Apex of ForeverBrokkos, Apex of Forever, Otrimi, the Ever-PlayfulOtrimi, the Ever-Playful, and Nethroi, Apex of DeathNethroi, Apex of Death
Scammer selling fakes are artificially aging the cards
If Drowner of Truth is countered or otherwise leaves the stack in response to that triggered ability, the triggered ability will still resolve as normal