Shrieking Drake, Phyrexian Altar, and Genesis Chamber

Prerequisites

• Shrieking Drake in hand
• Phyrexian Altar on the battlefield
• Genesis Chamber on the battlefield
• available

Steps

1. Cast Shrieking Drake by paying
2. When Shrieking Drake enters the battlefield, it and Genesis Chamber trigger
3. Resolve the Shrieking Drake trigger, returning itself from the battlefield to your hand
4. Resolve the Genesis Chamber trigger, creating a creature token
5. Activate Phyrexian Altar by sacrificing the creature token, adding
6. Repeat

Results

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