Missy, Phyrexian Altar, and Wall of Deceit

Prerequisites

• Missy on the battlefield
• Phyrexian Altar on the battlefield
• Wall of Deceit on the battlefield

Steps

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

Results

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