Karmic Guide + Loyal Retainers + Phantom Train + Sakashima the Impostor

WUB identity

Commander legal

The 4 combo pieces

• Karmic Guide
• Loyal Retainers
• Phantom Train
• Sakashima the Impostor

How to execute it

1. Activate Loyal Retainers by sacrificing it, returning Sakashima the Impostor from your graveyard to the battlefield as a copy of Karmic Guide.
2. When Sakashima the Impostor enters the battlefield, it triggers, returning Loyal Retainers from your graveyard to the battlefield.
3. Activate Phantom Train by sacrificing Sakashima the Impostor.
4. Repeat.

What the combo produces

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