Prosper, Tome-Bound, Squee, the Immortal, Ashnod's Altar, Yawgmoth's Will, and Goldspan Dragon

Prerequisites

• Prosper, Tome-Bound on the battlefield
• Squee, the Immortal on the battlefield
• Ashnod's Altar on the battlefield
• Yawgmoth's Will in hand
• Goldspan Dragon on the battlefield
• available

Steps

1. Cast Yawgmoth's Will by paying , causing all cards put into your graveyard this turn to be exiled
2. Activate Ashnod's Altar by sacrificing Squee, adding
3. Squee is put into exile instead of your graveyard due to Yawgmoth's Will
4. Cast Squee from exile by paying
5. Prosper triggers, creating a Treasure token
6. Activate the Treasure token by tapping and sacrificing it, adding
7. Repeat from step 2

Results

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