Build a deck that functions without it too
And yet, the top 10 most popular cards include multiple versions of the same four cards
If you run Grave Pact or Dictate of Erebos, every time you sacrifice one of your creatures, each opponent must sacrifice one too
But often it is for mutual benefit or the benefit of a single player, not a big deal on its own, except when two friends use Trade Secrets to draw their whole decks and go into a war to combo off while the rest of the table is blown away
Graveyard hate (its activated ability can target any graveyard), card selection, recursion, life loss The Scarab God has it all
It may be somewhat overcosted at 6G, but in a deck focusing on green mana, this Sorcery can utterly flood the board with Wolves that will overrun your opponents with ease