Basking Rootwalla, Blazing Rootwalla, Tortured Existence, and Phyrexian Altar

Prerequisites

• Basking Rootwalla in hand
• Blazing Rootwalla in the graveyard
• Tortured Existence on the battlefield
• Phyrexian Altar on the battlefield
• available

Steps

1. Activate Tortured Existence by paying and discarding Basking Rootwalla into exile, targeting Blazing Rootwalla
2. Basking Rootwalla's madness ability triggers, causing you to pay to cast it from exile
3. Resolve the Tortured Existence ability, returning Blazing Rootwalla from your graveyard to your hand
4. Activate Phyrexian Altar by sacrificing Basking Rootwalla, adding
5. Activate Tortured Existence by paying and discarding Blazing Rootwalla into exile, targeting Basking Rootwalla
6. Blazing Rootwalla's madness ability triggers, causing you to pay to cast it from exile
7. Resolve the Tortured Existence ability, returning Basking Rootwalla from your graveyard to your hand
8. Activate Phyrexian Altar by sacrificing Blazing Rootwalla, adding
9. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite self-discard triggers
• Infinite storm count