Muldrotha, the Gravetide + Narset's Reversal + Slick Imitator + Temporal Manipulation

Mana needed: {2}{U}{U}{U} plus enough mana to cast the extra turn spell each turn

BGU identity

Commander legal

The 4 combo pieces

• Muldrotha, the Gravetide
• Narset's Reversal
• Slick Imitator
• Temporal Manipulation

What must be in place

You have max speed.

How to execute it

1. Cast Temporal Manipulation by paying its mana cost.
2. Holding priority, cast Narset's Reversal by paying {U}{U}, targeting Temporal Manipulation.
3. Holding priority, activate Slick Imitator by paying {1} and sacrificing it, copying Narset's Reversal, with the copy targeting the original Narset's Reversal.
4. Resolve the copy of Narset's Reversal, copying the original Narset's Reversal targeting Temporal Manipulation, and returning the original Narset's Reversal to your hand.
5. Resolve Temporal Manipulation, causing you to take an extra turn after this one.
6. Cast Slick Imitator from your graveyard by paying {1}{U}.
7. Repeat each turn.

What the combo produces

• Infinite turns
• Lock