Missy, Phyrexian Altar, and Daru Healer

Prerequisites

• Missy on the battlefield
• Phyrexian Altar on the battlefield
• Daru Healer on the battlefield

Steps

1. Activate Phyrexian Altar by sacrificing Daru Healer, adding
2. When Daru Healer dies, Missy's first ability triggers, returning Daru Healer from your graveyard to the battlefield face down as a 2/2 Cyberman artifact creature
3. Activate Daru Healer's morph ability by paying , turning it face up
4. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers