Hidetsugu, Devouring Chaos, Intruder Alarm, Golgari Thug, and Phyrexian Altar

Prerequisites

• Hidetsugu, Devouring Chaos on the battlefield
• Intruder Alarm on the battlefield
• Golgari Thug on the battlefield
• Phyrexian Altar on the battlefield
• Hidetsugu does not have summoning sickness
• Creatures you control can tap to produce at least

Steps

1. Activate Phyrexian Altar by sacrificing Golgari Thug, adding
2. Golgari Thug dies, putting itself on top of your library from your graveyard
3. Activate all mana-producing creatures you control by tapping them, adding at least
4. Activate Hidetsugu's second ability by paying and tapping it, exiling Golgari Thug from the top of your library with the ability to cast it from exile this turn, and dealing 2 damage to any target
5. Cast Golgari Thug from exile by paying
6. Golgari Thug enters the battlefield, triggering Intruder Alarm, untapping all creatures
7. Repeat

Results

• Infinite damage
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite storm count