Missy, Phyrexian Altar, and Monastery Flock

Prerequisites

• Missy on the battlefield
• Phyrexian Altar on the battlefield
• Monastery Flock on the battlefield
• undefined

Steps

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

Results

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