Technomancer, Synth Infiltrator, and Umbral Collar Zealot

Prerequisites

• Technomancer in hand
• Synth Infiltrator in the graveyard
• Umbral Collar Zealot on the battlefield
• available

Steps

1. Cast Technomancer by paying
2. When Technomancer enters, it triggers, causing you to mill three cards and return Synth Infiltrator from your graveyard to the battlefield as a copy of Technomancer
3. When Synth Infiltrator enters, it triggers
4. Holding priority, activate Umbral Collar Zealot by sacrificing Synth Infiltrator
5. Resolve the Synth Infiltrator trigger, causing you to mill three cards and return Synth Infiltrator 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 surveil 1
• Put all artifact creature cards with mana value 1 or less from your library onto the battlefield
• Put all artifact creature cards with mana value 1 or less from your graveyard onto the battlefield