Muldrotha, the Gravetide, Displacer Kitten, Krark-Clan Grunt, and Cemetery Prowler

Prerequisites

• Muldrotha, the Gravetide on the battlefield
• Displacer Kitten on the battlefield
• Krark-Clan Grunt on the battlefield
• Cemetery Prowler 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 Krark-Clan Grunt by sacrificing the artifact, giving Krark-Clan Grunt +1/+0 and first strike until end of turn Repeat

Results

• Infinite artifact ETB
• Infinite artifact LTB
• Infinite artifact sacrifice triggers
• Infinite creature ETB
• Infinite creature LTB
• Infinite storm count
• Infinitely powerful creature until end of turn