Chainbreaker + Extruder + Mikaeus, the Unhallowed

B identity

Commander legal

The 3 combo pieces

• Chainbreaker
• Extruder
• Mikaeus, the Unhallowed

How to execute it

1. Activate Extruder by sacrificing Chainbreaker.
2. When Chainbreaker dies, its undying ability triggers, returning it from your graveyard to the battlefield without a +1/+1 counter on it due to its replacement effect.
3. Resolve the Extruder ability
4. Repeat.

What the combo produces

• Infinite +1/+1 counters on creatures you control
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers