Muldrotha, the Gravetide, Displacer Kitten, Cemetery Prowler, and Phantom Train

Prerequisites

• Muldrotha, the Gravetide on the battlefield
• Displacer Kitten on the battlefield
• Cemetery Prowler on the battlefield
• Phantom Train on the battlefield

Steps

1. Cast the artifact from your graveyard using Muldrotha's ability by paying due to Cemetery Prowler
2. Displacer Kitten triggers, blinking Muldrotha, allowing you to use its ability again this turn
3. Resolve the artifact spell
4. Activate Phantom Train by sacrificing the artifact, 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 artifact ETB
• Infinite artifact LTB
• Infinite artifact sacrifice triggers
• Infinite creature ETB
• Infinite creature LTB
• Infinite storm count