Ao, the Dawn Sky + Mortuary + Glasspool Mimic // Glasspool Shore

Ao, the Dawn Sky

Mortuary

Glasspool Mimic // Glasspool Shore

How it works

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