Muldrotha, the Gravetide, Displacer Kitten, Grinding Station, and Longshot, Rebel Bowman

Prerequisites

• Muldrotha, the Gravetide on the battlefield
• Displacer Kitten on the battlefield
• Grinding Station on the battlefield
• Longshot, Rebel Bowman on the battlefield

Steps

1. Cast the artifact from your graveyard using Muldrotha's ability by paying due to Longshot
2. Displacer Kitten and Longshot trigger
3. Resolve the Longshot trigger, dealing 2 damage to each opponent
4. Resolve the Displacer Kitten trigger, blinking Muldrotha, allowing you to use its ability again this turn
5. Resolve the artifact spell
6. When the artifact enters, Grinding Station triggers, untapping Grinding Station
7. Activate Grinding Station by tapping it and sacrificing the artifact, causing a player to mill three cards Repeat

Results

• Infinite artifact ETB
• Infinite artifact LTB
• Infinite artifact sacrifice triggers
• Infinite creature ETB
• Infinite creature LTB
• Infinite damage
• Infinite mill
• Infinite self-mill
• Infinite storm count