Impulse was the first instant that was cheap, put the card in your hand, and then cleared the crap off the top of your library, and many other effects that would get printed later would follow
Great Zombies include Coffin Queen, Vulturous Zombie, Helldozer, Skinrender, Western Paladin, Eastern Paladin, Phyrexian Crusader, Pyre Zombie, Nefashu, Thraximundar, Phage the Untouchable, Dralnu, Lich Lord, and Geth, Lord of the Vault
It even has a relevant late-game mana sink which while designed for limited primarily is also massively relevant in Commander
I can't wait to find out!
If that creature isnt a threat, you have the option to just buff Shelob and draw a card
Unlike things like Doom Blade, it can destroy them all, and it's a fun, cheap on the market, non-plussed way to start my list