Tasigur, the Golden Fang + Mindslaver

Tasigur, the Golden Fang

Mindslaver

How it works

1. Cast Mindslaver by paying 6.
2. Activate Mindslaver by paying 4, tapping and sacrificing it, causing you to control target opponent during their next turn.
3. Move to the opponent's turn who you targeted using Mindslaver.
4. Activate Tasigur by paying 2G/UG/U, causing you to mill two cards and then choose the opponent you are in control of, allowing you to choose to return Mindslaver from your graveyard to your hand.
5. Move to your next turn.
6. Repeat.

By seizing control of an opponent's turn with Mindslaver, you gain the agency to target that very same player with Tasigur, the Golden Fang's activated ability. Because you are making all of their decisions during this controlled turn, you can force them to choose Mindslaver when Tasigur mills cards and prompts them to return a nonland card from your graveyard to your hand. This loops the artifact right back into your possession to be recast on your turn, locking the targeted opponent out of the game permanently by controlling them on every single one of their turns.