Missy, Phyrexian Altar, and Goblin Taskmaster

Prerequisites

• Missy on the battlefield
• Phyrexian Altar on the battlefield
• Goblin Taskmaster on the battlefield

Steps

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

Results

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