Swift Warkite + Activated Sleeper + Ashnod's Altar

Prerequisites

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Steps

1. 1Activate Ashnod's Altar by sacrificing Swift Warkite, adding .
2. 2Cast Activated Sleeper by paying , choosing to have it enter the battlefield as a copy of Swift Warkite.
3. 3When Activated Sleeper enters the battlefield, it triggers.
4. 4Holding priority, activate Ashnod's Altar by sacrificing Activated Sleeper, adding .
5. 5Resolve the Activated Sleeper trigger, returning Activated Sleeper from your graveyard to the battlefield as a copy of Swift Warkite.
6. 6Repeat from step 3.

Effects

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