Priest of Yawgmoth, Intruder Alarm, Reassembling Skeleton, and Mycosynth Lattice

Prerequisites

• Priest of Yawgmoth on the battlefield
• Intruder Alarm on the battlefield
• Reassembling Skeleton on the battlefield
• Mycosynth Lattice on the battlefield
• Priest of Yawgmoth does not have summoning sickness

Steps

1. Activate Priest of Yawgmoth by tapping it and sacrificing Reassembling Skeleton, adding
2. Activate Reassembling Skeleton by paying , returning it from your graveyard to the battlefield
3. When Reassembling Skeleton enters the battlefield, Intruder Alarm triggers, untapping all creatures
4. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite mana creatures you control can produce
• Infinite sacrifice triggers
• Infinite untap of all creatures