Lurrus of the Dream-Den, Flickering Hound, Kobolds of Kher Keep, and Phantom Train

Prerequisites

• Lurrus of the Dream-Den on the battlefield
• Flickering Hound on the battlefield
• Kobolds of Kher Keep in hand or in the graveyard
• Phantom Train on the battlefield

Steps

1. Cast Kobolds of Kher Keep by paying
2. Flickering Hound triggers, blinking Lurrus
3. Resolve the Kobolds of Kher Keep spell
4. Then, activate Phantom Train by sacrificing Kobolds of Kher Keep, putting a +1/+1 counter on Phantom Train and causing it to become a creature until end of turn Repeat

Results

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