Morophon, the Boundless, Honest Rutstein, and Mirrorhall Mimic // Ghastly Mimicry

Prerequisites

• Morophon, the Boundless on the battlefield
• Honest Rutstein on the battlefield
• Mirrorhall Mimic // Ghastly Mimicry on the battlefield
• available

Steps

1. Cast Mirrorhall Mimic by paying its mana cost
2. Choose to have it enter as a copy of Honest Rutstein
3. Put Honest Rutstein into your graveyard due to the legend rule
4. Mirrorhall Mimic triggers, returning Honest Rutstein from your graveyard to your hand
5. Cast Honest Rutstein by paying due to Morophon and Mirrorhall Mimic Put Honest Rutstein into your graveyard due to the legend rule
6. Honest Rutstein triggers, returning it from your graveyard to your hand
7. Repeat from step 4

Results

• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite storm count