Contagion Engine + Coretapper + Magistrate's Scepter

Mana needed: {4} each turn

C identity

Commander legal

The 3 combo pieces

• Contagion Engine
• Coretapper
• Magistrate's Scepter

What must be in place

Coretapper does not have summoning sickness.

How to execute it

1. Activate Coretapper's first ability by tapping it, putting a charge counter on Magistrate's Scepter.
2. Activate Contagion Engine by paying {4} and tapping it, proliferating twice, putting two additional charge counters on Magistrate's Scepter.
3. Activate Magistrate's Scepter's second ability by tapping it and removing three charge counters from it, taking an extra turn after this one.
4. Repeat each turn.

What the combo produces

• Infinite turns
• Lock