Rancor, Phyrexian Altar, Composer of Spring, and Immortal Phoenix

Prerequisites

• Rancor in hand
• Phyrexian Altar on the battlefield
• Composer of Spring on the battlefield
• Immortal Phoenix on the battlefield
• You control at least six enchantments
• available

Steps

1. Cast Rancor by paying , attaching it to Immortal Phoenix
2. When Rancor enters the battlefield, Composer of Spring triggers
3. Holding priority, activate Phyrexian Altar by sacrificing Immortal Phoenix, adding
4. When Immortal Phoenix dies, it and Rancor trigger
5. Resolve the Rancor trigger, returning it to your hand from the battlefield
6. Resolve the Immortal Phoenix trigger, returning it to your hand from the battlefield
7. Resolve the Composer of Spring ability from step 2, putting Immortal Phoenix onto the battlefield from your hand
8. Repeat

Results

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