This doesn't mean you should buy the decks to profitthat's unlikely to work, since Wizards upped the supply of Commander decks after the True-Name Nemesis debaclebut it does mean that a lot of expensive, powerful, and fun casual cards are going to get cheaperway, way cheaper
Ich-Tekik, Salvage Splicer Ich-Tekik, Salvage Splicer is much like Slurrk, All-Ingesting, but the Salvage Splicer can be played a bit earlier, golem typal payoffs could mean upside, and putting artifacts into the graveyard often happens far more than creatures going to the graveyard
Choco, Seeker of Paradise I imagine Choco, Seeker of Paradise will eke out Kastral, the Windcrested as EDHs best bird commander, if only because adding green to the mix makes any casual EDH deck better
Devotion relies only on the color symbols in the casting cost of cards (in the upper right-hand corner)
Clever players try to mitigate this by stealing their opponents creatures with Insurrection to use as fodder or by flinging a giant Shimatsu at someones face, but it remains a true glass cannon strategy