Bhaal, Lord of Murder + Persistent Specimen + Cryptic Trilobite + Phyrexian Altar

Prerequisites

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Steps

1. 1Activate Phyrexian Altar by sacrificing Persistent Specimen, adding .
2. 2When Persistent Specimen dies, Bhaal triggers, putting a +1/+1 counter on Cryptic Trilobite and goading it.
3. 3Activate Cryptic Trilobite by removing a +1/+1 counter from it, adding that can only be spent to activate abilities.
4. 4Activate Persistent Specimen by paying , returning it from your graveyard to the battlefield tapped.
5. 5Repeat.

Effects

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers