With the Necroduality trigger still on the stack, sacrifice Rot Hulk to Carrion Feeder, then let the original Necroduality trigger resolve, creating a token copy of Rot Hulk
Sylvan Safekeeper A card like Sylvan Safekeeper will find a way
There isnt much need to replace basics with cards like this in Commander, but if the secondary effect is something your deck actually cares about, you might take a second look
The Collation Project : This page is devoted to Magic: The Gathering, but contains a lot of useful information on how trading cards in general are inserted into packs
Even though Commander is ruled by Dragons and the fattest of creatures, a 9/9 is still a big fat monster on the battlefield
And somehow, since the 1996 Base Set (Pokmon TCG Base Set, 1996 launch set) era, it has stayed almost stubbornly consistent, like the world agreed: Yep, this is the shape of nostalgia now. And yeah, maybe its just cardboard