Later this year, the trading feature will be overhauled following a backlash from players
You'll need the basic Pokmon in play before you can evolve it into Garchomp ex
Chaos: Whenever you roll Chaos, destroy up to X target artifacts, where X is the number of creatures you control
As of today, three and a half years after the mechanic's introduction, there have been no new Disturb cards, and of the 25 original Disturb cards only four saw reprints in Innistrad Remastered
So this one is really about using your graveyard as a resource to get bonus effects and/or abilities
As of yet, he has not responded, which is something of an answer itself (it is seldom that I do not get an answer back within hours, and much less am ignored altogether)