With the amount of cards you can play from exile and the graveyard (not to mention the new Plot cards), Doc AurlockDoc Aurlock will be sure to see lots of play, both in the command zone and the 99 of decks like MuldrothaMuldrotha, Grolnok, the OmnivoreGrolnok, the Omnivore, Niv-Mizzet, SupremeNiv-Mizzet, Supreme, Gonti, Canny AcquisitorGonti, Canny Acquisitor, Riku of Many PathsRiku of Many Paths, and probably best of all, PakoPako and HaldanHaldan
As a rule of thumb the slabbed value should be 34 the raw price before its worth it
Ghired, Conclave ExileGhired, Conclave Exile, Esix, Fractal BloomEsix, Fractal Bloom, and Anikthea, Hand of ErebosAnikthea, Hand of Erebos, would all make great use of this enchantment, copying tokens, copying tokens of other creatures, or turning this enchantment into a creature so that it could potentially start populate itself
This is a powerful effect for an Item card since it doesnt use your one Supporter of the turn
In fact, if we mix the Bulbasaur and Chikorita cards in those four languages, we get basically a 99.9% clean blank
After that I started swapping out Phyrexians that are either too weak or don't fit our theme of proliferating