Prerequisites
- Vesperlark on the battlefield
- Activated Sleeper in the graveyard
- Altar of Dementia on the battlefield
Steps
- Activate Altar of Dementia by sacrificing Vesperlark
- When Vesperlark dies, it triggers, returning Activated Sleeper from your graveyard to the battlefield as a copy of Vesperlark
- Activate Altar of Dementia by sacrificing Activated Sleeper
- When Activated Sleeper dies, it triggers, returning Activated Sleeper from your graveyard to the battlefield as a copy of Vesperlark
- Resolve the Altar of Dementia ability, causing target player to mill cards equal to Activated Sleeper's power
- Repeat from step 3
Results
- Infinite death triggers
- Infinite ETB
- Infinite LTB
- Infinite mill
- Infinite sacrifice triggers
- Infinite self-mill
Required Cards 3
Vesperlark
Creature — Elemental
Activated Sleeper
Creature — Phyrexian Shapeshifter