Muldrotha, the Gravetide + Mindslaver

Muldrotha, the Gravetide
Mindslaver

Requires
Muldrotha, the Gravetide must be on the battlefield. Mindslaver must be on the battlefield. Mana needed: 10 each turn
Steps
  1. Activate Mindslaver by paying 4, tapping and sacrificing it, gaining control of target player's next turn.
  2. Cast Mindslaver from your graveyard by paying 6.
  3. Pass the turn.
  4. End the controlled opponent turn.
  5. Repeat.
Results
You control target opponent on each of their turns.