Ao, the Dawn Sky + Mortuary + Evil Twin

Prerequisites

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Steps

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

Effects

• Infinite creature ETB
• Infinite creature LTB
• Infinite death triggers