Captain Storm, Cosmium Raider, Lesser Masticore, Altar of Dementia, and Conspiracy

Prerequisites

• Captain Storm, Cosmium Raider on the battlefield
• Lesser Masticore on the battlefield
• Altar of Dementia on the battlefield
• Conspiracy on the battlefield
• Lesser Masticore does not have a -1/-1 counter on it

Steps

1. Activate Altar of Dementia by sacrificing Lesser Masticore
2. When Lesser Masticore dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it
3. When Lesser Masticore enters the battlefield, Captain Storm triggers, putting a +1/+1 counter on Lesser Masticore
4. Resolve the Altar of Dementia ability
5. Repeat

Results

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