Cavalier of Night + Activated Sleeper + Ashnod's Altar

Prerequisites

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Steps

1. 1Activate Ashnod's Altar by sacrificing Cavalier of Night, adding .
2. 2When Cavalier of Night dies, it triggers, returning Activated Sleeper from your graveyard to the battlefield as a copy of Cavalier of Night.
3. 3When Activated Sleeper enters the battlefield, it triggers; choose not to sacrifice a creature.
4. 4Activate Ashnod's Altar by sacrificing Activated Sleeper, adding .
5. 5When Activated Sleeper dies, it triggers, returning Activated Sleeper from your graveyard to the battlefield as a copy of Cavalier of Night.
6. 6Repeat from step 3.

Effects

• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers