Mikaeus, the Unhallowed + Otherworldly Escort + Phantom Train

WB identity

Commander legal

The 3 combo pieces

• Mikaeus, the Unhallowed
• Otherworldly Escort
• Phantom Train

How to execute it

1. Activate Phantom Train by sacrificing Otherworldly Escort.
2. When Otherworldly Escort dies, it triggers, returning itself from your graveyard to the battlefield as a Spirit Detective.
3. Resolve the Phantom Train ability.
4. Activate Phantom Train by sacrificing Otherworldly Escort.
5. When Otherworldly Escort dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
6. Resolve the Phantom Train ability.
7. Repeat.

What the combo produces

• Infinite +1/+1 counters on a creature
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers