mtg worst card art What is the ever printed in MTG? I'll go first Top 5: Worst Magic card

Foil cards didn't exist until Urza's Legacy , so no cards of that ilk are here

What effects might this have on our favorite formats

Casualties of War

Because of the way Kroxa and Kunoros' ability resolves, you can sacrifice it in response to the reanimation clause, sacrificing it to the Altar, to mill six cards and then exile five of them to return Kroxa and Kunoros to play, triggering its ability again in an infinite loop

It works as either a budget choice over Cabal Coffers, or a second copy of sorts for redundancy

A 3/1 for two with the right tribe is already at least worth considering, but once you add in the chances of getting a little bit of Phyrexian Arena action once in a while