Mortuary, Krark-Clan Ironworks, and Realmwalker

Prerequisites

• Mortuary on the battlefield
• Krark-Clan Ironworks on the battlefield
• Realmwalker on the battlefield

Steps

1. Activate Krark-Clan Ironworks by sacrificing the nontoken creature, adding
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 LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite colorless mana
• Infinite storm count