Technomancer, Phyrexian Metamorph, and Carrion Feeder

Prerequisites

• Technomancer in hand
• Phyrexian Metamorph in the graveyard
• Carrion Feeder on the battlefield
• available

Steps

1. Cast Technomancer by paying
2. When Technomancer enters, it triggers, causing you to mill three cards and return Phyrexian Metamorph from your graveyard to the battlefield as a copy of Technomancer
3. When Phyrexian Metamorph enters, it triggers
4. Holding priority, activate Carrion Feeder by sacrificing Phyrexian Metamorph
5. Resolve the Phyrexian Metamorph trigger, causing you to mill three cards and return Phyrexian Metamorph from your graveyard to the battlefield as a copy of Technomancer
6. Repeat from step 3

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite self-mill
• Infinite +1/+1 counters on Carrion Feeder
• Put all artifact creature cards with mana value 2 or less from your library onto the battlefield
• Put all artifact creature cards with mana value 2 or less from your graveyard onto the battlefield