Nether Traitor + Phyrexian Altar + Bridge from Below

Prerequisites

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Steps

1. 1Activate Phyrexian Altar by sacrificing Nether Traitor, adding .
2. 2When Nether Traitor dies, Bridge from Below triggers, creating a creature token.
3. 3Activate Phyrexian Altar by sacrificing the creature token, adding one mana of any color.
4. 4When the creature token dies, Nether Traitor triggers, causing you to pay to return Nether Traitor from your graveyard to the battlefield.
5. 5Repeat.

Effects

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