It prevents our opponents from searching their libraries
Though you might be better off playing this and feeding it to something like Sai, Master Thopterist or Legion Extruder to shrug off the downside
Whenever another Zombie you control dies, if it didn't have decayed, make a 2/2 token with decayed of the Zombie nature
There are only a few ways to get slivers into the graveyard beyond watching them die, which makes Gravemothers encore ability challenging to set up
Disney Lorcanas Ruby cards continue to hit hard, targeting both characters and opponents lore
To be fair, this spirit god cant attack or block until there are eight or more permanents in your graveyard, but thats not going to be hard to do if you build your deck to support it