Grenzo, Dungeon Warden + The Cauldron of Eternity + Ashnod's Altar

Prerequisites

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Steps

1. 1Activate Grenzo by paying .
2. 2Holding priority, activate Ashnod's Altar by sacrificing Grenzo, adding .
3. 3When Grenzo dies, The Cauldron of Eternity triggers, putting Grenzo from your graveyard onto the bottom of your library.
4. 4Resolve the Grenzo ability from step 1, causing you to put Grenzo from the bottom of your library into your graveyard, and then putting Grenzo onto the battlefield.
5. 5Repeat.

Effects

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers