Cast Mindslaver by paying {6}.
Activate Mindslaver by paying {4}, tapping and sacrificing it, causing you to control target opponent during their next turn.
Move to the opponent's turn who you targeted using Mindslaver.
Activate Tasigur by paying {2}{G/U}{G/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.
Move to your next turn.
Repeat.

You control target opponent on each of their turns

Tasigur, the Golden Fang

Mindslaver

Activate Marwyn by tapping it, adding at least {G}{G}{G}{G}.
Activate Mind Over Matter by discarding a card, untapping Marwyn.
Activate Tasigur by paying {2}{G/U}{G/U}, causing you to mill two cards and return a nonland card from your graveyard to your hand.
Repeat.

Infinite self-mill

Infinite green mana

Infinite self-discard triggers

Infinite mana permanents you control can produce

Infinite untap of permanents you control

Mind Over Matter

Marwyn, the Nurturer

Activate Nykthos's second ability by paying {2} and tapping it, adding at least six {G} or six {U}.
Activate Mind Over Matter by discarding a card, untapping Nykthos.
Activate Tasigur by paying {2}{G/U}{G/U}, causing you to mill two cards and return a nonland card from your graveyard to your hand.
Repeat.

Nykthos, Shrine to Nyx

Activate White Lotus Tile by tapping it, adding at least {G}{G}{G}{G} or {U}{U}{U}{U}.
Activate Mind Over Matter by discarding a card, untapping White Lotus Tile.
Activate Tasigur by paying {2}{G/U}{G/U}, causing you to mill two cards and return a nonland card from your graveyard to your hand.
Repeat.

Combos with "Tasigur, the Golden Fang"