Muldrotha, the Gravetide, Izzet Chemister, and Temporal Manipulation

Prerequisites

• Muldrotha, the Gravetide on the battlefield
• Izzet Chemister on the battlefield
• Temporal Manipulation in hand
• available the first turn, with each extra turn available

Steps

1. Cast Temporal Manipulation by paying , causing you to take an extra turn after this one
2. Activate Izzet Chemister's first ability by paying and tapping it, exiling Temporal Manipulation from your graveyard
3. Move to your next turn
4. Activate Izzet Chemister's second ability by paying , tapping and sacrificing it, casting Temporal Manipulation from exile without paying its mana cost
5. Resolve Temporal Manipulation, causing you to take an extra turn after this one
6. Cast Izzet Chemister from your graveyard by paying
7. Repeat from step 2

Results

• Infinite turns