Squee, the Immortal, Poxwalkers, Pitiless Plunderer, and Ashnod's Altar

Prerequisites

• Squee, the Immortal on the battlefield
• Poxwalkers on the battlefield
• Pitiless Plunderer on the battlefield
• Ashnod's Altar on the battlefield

Steps

1. Activate Ashnod's Altar twice by sacrificing Poxwalkers and Squee, adding
2. Pitiless Plunderer triggers twice, creating two Treasure tokens
3. Activate the two Treasure tokens by tapping and sacrificing them, adding
4. Cast Squee from your graveyard by paying
5. Poxwalkers triggers, returning itself from your graveyard to the battlefield
6. Repeat

Results

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