Its like an Energy Mana Drain
This can go both ways as you can either opt to mill your opponents or self-mill to create massive card advantage
Since you can repeatedly attach it to new creatures during your turn, forcing your opponents to attack with either their strongest creatures or with creatures they want to keep
Finally, well end with a discussion on partners, now having five-plus years and several other iterations to help reflect on them
Among the best things to do with the card is Grief + Ephemerate on Turn 1, giving you basically two Thoughtseizes and a 3/2 menace
Whether youre sleeving up a cEDH deck, brewing casual Commander strategies with friends, or testing competitive builds before committing to originals, the Nazgul Set gives you the freedom to play the game your way