Cloudstone Curio, Phyrexian Altar, Ashnod's Altar, and Deep Forest Hermit

Prerequisites

• Cloudstone Curio on the battlefield
• Phyrexian Altar on the battlefield
• Ashnod's Altar on the battlefield
• Deep Forest Hermit in hand
• available

Steps

1. Cast Deep Forest Hermit by paying
2. When Deep Forest Hermit enters the battlefield, it and Cloudstone Curio trigger
3. Resolve the Deep Forest Hermit trigger, creating four 1/1 Squirrel creature tokens
4. When the Squirrels enter the battlefield, Cloudstone Curio triggers four times
5. Resolve the first trigger, returning Deep Forest Hermit to your hand from the battlefield
6. Resolve all remaining triggers, choosing not to return anything to your hand
7. Activate Phyrexian Altar twice by sacrificing two Squirrels, adding
8. Activate Ashnod's Altar twice by sacrificing two Squirrels, adding
9. Repeat

Results

• Infinite colored mana
• Infinite colorless mana
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite storm count