Muldrotha, the Gravetide, Mirror of Fate, and Temporal Mastery

Prerequisites

• Muldrotha, the Gravetide on the battlefield
• Mirror of Fate on the battlefield
• Temporal Mastery in hand
• available each turn
• available

Steps

1. Cast Temporal Mastery by paying , taking an extra turn after this one
2. Activate Mirror of Fate by tapping and sacrificing it, choosing Temporal Mastery from exile and putting it on the top of your library
3. Cast Mirror of Fate from your graveyard by paying
4. Move to your next turn
5. Cast Temporal Mastery for its miracle cost by paying
6. Repeat from step 2

Results

• Infinite turns