Ao, the Dawn Sky + Mortuary + Phyrexian Metamorph

Prerequisites

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Steps

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

Effects

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