Mikaeus, the Unhallowed, Solemnity, and Mirror Image

Prerequisites

• Mikaeus, the Unhallowed on the battlefield
• Solemnity on the battlefield
• Mirror Image in hand
• available

Steps

1. Cast Mirror Image by paying , having it enter as a copy of Mikaeus
2. Choose to have Mirror Image put into your graveyard due to the legend rule
3. Mirror Image dies, triggering its undying ability, returning itself to the battlefield with no +1/+1 counters due to Solemnity, as a copy of Mikaeus
4. Repeat from step 2

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB