Power Word Kills biggest weakness is that, in Standard 2022, its useless against the best deck in the format (red-blue dragons)
Just try to smile as your best cards get Force of Willed in response
Its forgiving, not too fast or too tricky, but still has enough cool interactions to make you feel smart when things go right
Once we start stealing our opponent's stuff each turn, there's a good chance our opponent will simply scoop before we can steal everything they have
Or if you want to be a little cheeky, you can Imprint it with interactive spells, like Counterspell, Reality Shift, or Suspend
Green Goblin's last ability counts the number of cards you have discarded previously this turn, including the one you discard to Green Goblin's own ability