Shelob is a mythic rare 8/8 Spider Demon that's aggressively costed at 4BG with deathtouch and ward 2, and it grants those same abilities to all friendly Spider creatures
Greed/Arguel's Blood Fast [one_fourth stack="responsive"] [/one_fourth] [one_fourth_last stack="responsive"] [/one_fourth_last] Greed is probably the card that inspired Erebos in the first place, and we recently got a cheaper version to cast in Ixalan that may even have some other utility in the right deck with Arguel's Blood Fast
Even if we ignore the infinite mana win condition, Oona, Queen of the Fae is still very much worth playing
A creature with a mana value equal to X is not a legal target
After all, new players can still see unreadable cards like Arwen, Mortal Queen at FNM
(Both helpful and annoying, depending on whether or not you already thought you were done) So a few pointers now on what exactly is watered down enough