Nethroi, Apex of Death, Phyrexian Altar, Mitotic Slime, and Stickytongue Sentinel

Prerequisites

• Nethroi, Apex of Death in hand or in the command zone
• Phyrexian Altar on the battlefield
• Mitotic Slime in the graveyard
• Stickytongue Sentinel in the graveyard
• plus enough mana to pay for commander tax, if applicable available

Steps

1. Cast Nethroi either from your hand or from the command zone for its mutate cost by paying , putting it under a non-Human creature you control
2. Nethroi triggers, returning Stickytongue Sentinel and Mitotic Slime from your graveyard to the battlefield
3. When Stickytongue Sentinel enters, it triggers, returning Nethroi from the battlefield to your hand
4. Activate Phyrexian Altar twice by sacrificing Stickytongue Sentinel and Mitotic Slime, adding
5. When Mitotic Slime dies, it triggers, creating two 2/2 Ooze creature tokens
6. Activate Phyrexian Altar twice by sacrificing the Oozes, adding
7. When the Oozes die, they trigger, creating four 1/1 Ooze creature tokens
8. Activate Phyrexian Altar three times by sacrificing three Oozes, adding
9. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite colored mana
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite storm count
• Infinite creature tokens
• Infinite recursion of some creature cards in your graveyard