It is just the highest individual powered zombies left padding out the deck as best it can in the CMC slots available
No property bearing additional descriptive limitations [i.e
Urzas abilities include reducing the cost of artifact, instant, and sorcery spells by two, creating two 1/1 creature tokens, and giving your artifacts and planeswalkers indestructible before destroying everything else.
As part of the games streamlining of set legalities, products are being split between eternal-legal, or legal in all formats, with Universes Beyond being legal in all formats
Conversely, the cold list highlights Bloodletter of Aclazotz and Klauth, Unrivaled Ancient, both of which are seeing significant price drops as dump week inventory hits the market
Ultimate Magic: Holy has further utility by preventing damage, which adds up to a total blowout