Any reanimator deck can stick a Jin-Gitaxias into play ahead of time, but Emrakul doesnt stick around in the graveyard
Now, instead of being almost completely reliant on the likes of Psychosis CrawlerPsychosis Crawler, I had a powerful weapon that could search for any land and put it directly onto the battlefield
The uptick in draw-hate, is found on cards like the pinging Orcish Bowmasters, Razorkin Needlehead and Scrawling Crawler, and the bigger effects on Sheoldred, the Apocalypse and Xyris, the Writhing Storm which play exceptionally well with mass draw-sevens
For overall power and consistency, The Scarab God is the strongest zombie commander it scales drain to your board, reanimates from any graveyard, and dodges removal by returning to your hand