Wilhelt, the Rotcleaver, Ashnod's Altar, Pitiless Plunderer, and Ebondeath, Dracolich

Prerequisites

• Wilhelt, the Rotcleaver on the battlefield
• Ashnod's Altar on the battlefield
• Pitiless Plunderer on the battlefield
• Ebondeath, Dracolich on the battlefield

Steps

1. Activate Ashnod's Altar by sacrificing Ebondeath, adding
2. Pitiless Plunderer and Wilhelt triggers
3. Resolve the Pitiless Plunderer triggers, creating a Treasure token
4. Resolve Wilhelt's triggers, creating a 2/2 Zombie creature token
5. Activate Ashnod's Altar by sacrificing Zombie token, adding
6. Pitiless Plunderer triggers, creating a Treasure token
7. Activate two Treasure tokens by tapping and sacrificing those, adding
8. Cast Ebondeath from your graveyard by paying
9. Repeat

Results

• Infinite creature tokens
• Infinite death triggers
• Infinite sacrifice triggers
• Infinite storm count
• Infinite colorless mana