Chatterfang, Squirrel General, Cloudstone Curio, Resolute Reinforcements, and Phyrexian Altar

Prerequisites

• Chatterfang, Squirrel General on the battlefield
• Cloudstone Curio on the battlefield
• Resolute Reinforcements in hand
• Phyrexian Altar on the battlefield
• available

Steps

1. Cast Resolute Reinforcements by paying
2. When Resolute Reinforcements enters the battlefield, it and Cloudstone Curio trigger
3. Resolve the Cloudstone Curio trigger, choosing to return nothing to your hand from the battlefield
4. Resolve the Resolute Reinforcements trigger, creating a 1/1 Squirrel and a 1/1 Soldier creature token
5. When the Soldier and Squirrel enter the battlefield, Cloudstone Curio triggers twice
6. Resolve the first trigger, returning Resolute Reinforcements to your hand from the battlefield
7. Resolve the second trigger, choosing to return nothing to your hand from the battlefield
8. Activate Phyrexian Altar twice by sacrificing the Soldier and Squirrel, adding
9. Repeat

Results

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