Muldrotha, the Gravetide, Displacer Kitten, Longshot, Rebel Bowman, and Arcbound Ravager

Prerequisites

• Muldrotha, the Gravetide on the battlefield
• Displacer Kitten on the battlefield
• Longshot, Rebel Bowman on the battlefield
• Arcbound Ravager on the battlefield

Steps

1. Cast the artifact from your graveyard using Muldrotha's ability by paying due to Longshot
2. Longshot and Displacer Kitten 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. Activate Arcbound Ravager by sacrificing the artifact, putting a +1/+1 counter on Arcbound Ravager 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 damage
• Infinite storm count