Merfolk Secretkeeper // Venture Deeper, Underworld Breach, Ashnod's Altar, and Chromatic Orrery

Prerequisites

• Merfolk Secretkeeper // Venture Deeper in the graveyard
• Underworld Breach on the battlefield
• Ashnod's Altar on the battlefield
• Chromatic Orrery on the battlefield
• You have at least three other cards in your graveyard
• available

Steps

1. Cast Venture Deeper from your graveyard for its escape cost by paying and exiling three other cards from your graveyard, causing you to mill four cards and then exiling Venture Deeper
2. Cast Merfolk Secretkeeper from exile by paying
3. Activate Ashnod's Altar by sacrificing Merfolk Secretkeeper, adding
4. Repeat

Results

• Infinite self-mill
• Near-infinite death triggers
• Near-infinite ETB
• Near-infinite LTB
• Near-infinite magecraft triggers
• Near-infinite mill
• Near-infinite sacrifice triggers
• Near-infinite storm count