Mortuary, Phyrexian Altar, and Benjamin Sisko, Besieged

Prerequisites

• Mortuary on the battlefield
• Phyrexian Altar on the battlefield
• Benjamin Sisko, Besieged on the battlefield

Steps

1. Activate Phyrexian Altar by sacrificing the nontoken creature, adding one mana of any color
2. When the creature dies, Mortuary triggers, putting the creature from your graveyard onto the top of your library
3. Cast the creature by paying its mana cost
4. Repeat

Results

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