This set is similar to the various Masters / Horizons releases, with no particular constraints on returning mechanics or complexity
If a different copy of Carnival Barker enters the battlefield, or if Carnival Barker leaves the battlefield and returns, it's a new object and its ability can be activated
They also have a big old chunk of text that reads, Whenever another creature dies, or a creature card is put into a graveyard from anywhere other than the battlefield, or a creature card leaves your graveyard, Syr Konrad, the Grim deals 1 damage to each opponent. That means that your milling is killing, and you can just be chilling
Qliphorts and Burning Abyss continue to be frontrunners in the Advanced format, with cards like "Qliphort Monolith" and "Malacoda, Netherlord of the Burning Abyss" further empowering these themes
It's RANDOM
Incapsula incident ID: 421000750002136624-10495912256541392