Mikaeus, the Unhallowed, Solemnity, and Phantasmal Image

Prerequisites

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

Steps

1. Cast Phantasmal Image by paying , having it enter as a copy of Mikaeus
2. Choose to have Phantasmal Image put into your graveyard due to the legend rule
3. Phantasmal 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