Missy, Phyrexian Altar, and Dwarven Blastminer

Prerequisites

• Missy on the battlefield
• Phyrexian Altar on the battlefield
• Dwarven Blastminer on the battlefield

Steps

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

Results

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