Karmic Guide + Phantom Train + Saffi Eriksdotter

WBG identity

Commander legal

The 3 combo pieces

• Karmic Guide
• Phantom Train
• Saffi Eriksdotter

How to execute it

1. Activate Saffi by sacrificing it, targeting Karmic Guide
2. Activate Phantom Train by sacrificing Karmic Guide
3. When Karmic Guide dies, Saffi triggers, returning Karmic Guide from your graveyard to the battlefield.
4. When Karmic Guide enters, it triggers, returning Saffi from your graveyard to the battlefield.
5. Resolve the Phantom Train ability.
6. Repeat.

What the combo produces

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