Saffi Eriksdotter + Reveillark + Altar of Dementia

Prerequisites

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Steps

1. 1Activate Saffi by sacrificing it, targeting Reveillark.
2. 2Activate Altar of Dementia by sacrificing Reveillark.
3. 3When Reveillark dies, it and Saffi trigger.
4. 4Resolve the Saffi trigger, returning Reveillark from your graveyard to the battlefield.
5. 5Resolve the Reveillark trigger, returning Saffi from your graveyard to the battlefield.
6. 6Resolve the Altar of Dementia ability from step 2, causing target player to mill cards equal to Reveillark's power.
7. 7Repeat.

Effects

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