Rakdos, the Muscle, Mortuary, and Ashnod's Altar

Prerequisites

• Rakdos, the Muscle on the battlefield
• Mortuary on the battlefield
• Ashnod's Altar on the battlefield

Steps

1. Activate Ashnod's Altar by sacrificing the extra nontoken creature, adding
2. When the creature dies, Mortuary and Rakdos trigger
3. Resolve the Mortuary trigger, putting the sacrificed creature from your graveyard onto the top of your library
4. Resolve the Rakdos trigger, causing you to exile the top one or two cards of your library with the ability to cast them this turn
5. Cast the creature from exile by paying at most
6. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite colorless mana
• Infinite storm count
• Exile your library with the ability to play the exiled cards until end of turn