Missy, Altar of Dementia, and Ruthless Ripper

Prerequisites

• Missy on the battlefield
• Altar of Dementia on the battlefield
• Ruthless Ripper on the battlefield
• You have at least one black card in hand

Steps

1. Activate Altar of Dementia by sacrificing Ruthless Ripper
2. When Ruthless Ripper dies, Missy's first ability triggers, returning Ruthless Ripper from your graveyard to the battlefield face down as a 2/2 Cyberman artifact creature
3. Resolve the Altar of Dementia ability, causing target player to mill cards equal to Ruthless Ripper's power
4. Activate Ruthless Ripper's morph ability by revealing a black card from your hand, turning it face up
5. Ruthless Ripper triggers, causing target player to lose 2 life
6. Repeat

Results

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