Missy, Phyrexian Altar, and Birchlore Rangers

Prerequisites

• Missy on the battlefield
• Phyrexian Altar on the battlefield
• Birchlore Rangers on the battlefield

Steps

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

Results

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