Metamorphosis Fanatic + Karmic Guide + Altar of Dementia

Prerequisites

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Steps

1. 1Cast Karmic Guide by paying .
2. 2When Karmic Guide enters the battlefield, it triggers, targeting Metamorphosis Fanatic.
3. 3Holding priority, activate Altar of Dementia by sacrificing Karmic Guide.
4. 4Resolve the Karmic Guide trigger, returning Metamorphosis Fanatic from your graveyard to the battlefield.
5. 5When Metamorphosis Fanatic enters the battlefield, it triggers, targeting Karmic Guide.
6. 6Holding priority, activate Altar of Dementia by sacrificing Metamorphosis Fanatic.
7. 7Resolve the Metamorphosis Fanatic trigger, returning Karmic Guide from your graveyard to the battlefield.
8. 8Repeat form step 2.

Effects

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite mill
• Infinite sacrifice triggers
• Infinite self-mill