Ao, the Dawn Sky + Mortuary + Naga Fleshcrafter

Ao, the Dawn Sky

Mortuary

Naga Fleshcrafter

How it works

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