Lithoform Engine + Magistrate's Scepter + Manifold Key + Vorinclex, Monstrous Raider

Mana needed: {7} each odd-numbered turn, with {5} available each even-numbered turn

G identity

Commander legal

The 4 combo pieces

• Lithoform Engine
• Magistrate's Scepter
• Manifold Key
• Vorinclex, Monstrous Raider

How to execute it

1. Activate Magistrate's Scepter's first ability by paying {4} and tapping it.
2. Holding priority, activate Lithoform Engine's first ability by paying {2} and tapping it, copying Magistrate's Scepter's ability.
3. Resolve both Magistrate's Scepter abilities, putting four charge counters on it.
4. Activate Manifold Key's first ability by paying {1} and tapping it, untapping Magistrate's Scepter.
5. Activate Magistrate's Scepter's second ability by tapping it and removing three charge counters from it, causing you to take an extra turn after this one.
6. Move to your next turn.
7. Activate Magistrate's Scepter's first ability by paying {4} and tapping it, putting two charge counters on it.
8. Repeat steps 4 through 6 one time.
9. Repeat from step 1.

What the combo produces

• Infinite turns
• Lock