mtg proliferate deck commander Atraxa, Grand Unifier PHYREXIAN INFECT Magic Custom What Makes Proliferate So Strong

It has Ixidron and The Phasing of Zhalfir, but otherwise sits firmly in place in the Color pie as being the color least good at dealing with things for good

Pantlaza's Discover ability means that each dinosaur you cast has the potential to trigger a cascade, letting you fetch up one or potentially more other random dinosaurs from your deck (worst case scenario you hit a mana rock or something)

Sacrifice it at the beginning of the next end step

So while a card thats 1% darker than the intended version is technically a misprint, that 1% darker card falls within the margin of expected error and it isnt considered a misprint

These come under the category of 'non-traditional cards' in the official Magic rules

It will save your life over and over again