Preston, the Vanisher + Karmic Guide + Ephemerate + Ashnod's Altar

Prerequisites

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Steps

1. 1Cast Ephemerate by paying , blinking Karmic Guide.
2. 2Karmic Guide enters the battlefield, triggering itself and Preston.
3. 3Resolve the Karmic Guide trigger, returning any creature card from your graveyard to the battlefield.
4. 4Activate Ashnod's Altar by sacrificing Karmic Guide, adding .
5. 5Resolve the Preston trigger from step 2, creating a token copy of Karmic Guide that is a 0/1 white Illusion.
6. 6The Karmic Guide token enters the battlefield, returning the nontoken Karmic Guide from your graveyard to the battlefield.
7. 7Repeat from step 2.

Effects

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