Ao, the Dawn Sky, Mortuary, and Mirror Image

Prerequisites

• Ao, the Dawn Sky on the battlefield
• Mortuary on the battlefield
• Mirror Image in hand
• available

Steps

1. Cast Mirror Image by paying its mana cost
2. Choose to have it enter the battlefield as a copy of Ao
3. Put Mirror Image into your graveyard due to the legend rule
4. When Mirror Image dies, it and Mortuary trigger
5. Resolve the Mortuary trigger, putting Mirror Image from your graveyard onto the top of your library
6. Resolve the Mirror Image trigger, causing you to look at the top seven cards of your library and put Mirror Image onto the battlefield as a copy of Ao
7. Repeat from step 2

Results

• Infinite LTB
• Infinite ETB
• Infinite death triggers