Demon of Dark Schemes + Phyrexian Altar + Sengir Autocrat

Prerequisites

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Steps

1. 1Cast Sengir Autocrat by paying .
2. 2Sengir Autocrat enters the battlefield, creating three 0/1 Serf creature tokens.
3. 3Activate Phyrexian Altar three times by sacrificing the Serf tokens, adding .
4. 4Demon of Dark Schemes triggers three times, causing you to get .
5. 5Activate Phyrexian Altar by sacrificing Sengir Autocrat, adding one mana of any color.
6. 6Demon of Dark Schemes triggers, causing you to get .
7. 7Activate Demon of Dark Schemes by paying and , putting Sengir Autocrat from your graveyard onto the battlefield tapped.
8. 8Repeat from step 2.

Effects

• Infinite colored mana
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite energy counters