Chainbreaker + Mikaeus, the Unhallowed + Ravenous Intruder

BR identity

Commander legal

The 3 combo pieces

• Chainbreaker
• Mikaeus, the Unhallowed
• Ravenous Intruder

How to execute it

1. Activate Ravenous Intruder 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 Ravenous Intruder ability
4. Repeat.

What the combo produces

• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers
• Infinitely large creature until end of turn