Krenko, Baron of Tin Street, Pitiless Plunderer, and Ashnod's Altar

Prerequisites

• Krenko, Baron of Tin Street on the battlefield
• Pitiless Plunderer on the battlefield
• Ashnod's Altar on the battlefield

Steps

1. Activate a Treasure by tapping and sacrificing it, adding
2. Krenko triggers, causing you to pay to create a 1/1 Goblin creature token with haste
3. Activate Ashnod's Altar by sacrificing the Goblin token, adding
4. When the Goblin dies, Pitiless Plunderer triggers, creating a Treasure token
5. Repeat

Results

• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers