"Many major leaks and several by wizards
The self-mill just helps with that last bit in case your graveyard has taken a hit from a Bojuka Bog or something
Its one measly mana and it does a heck of a lot
A common theme in my lists so far is that I like keeping one-for-one interaction at a high power level, and Fatal Push is a crucial card for keeping black interaction lean and efficient
If the ability does trigger but no other opponent controls any nonland permanents the spell could target by the time the ability resolves, the ability won't do anything
(6/6/2025) When two cards (for example, Fang, Fearless l'Cie and Vanille, Cheerful l'Cie) are melded, the result is a single permanent (in this case, Ragnarok, Divine Deliverance) that's represented by two cards