Merfolk Secretkeeper + Underworld Breach + Ashnod's Altar + Chromatic Orrery
Merfolk Secretkeeper
Underworld Breach
Ashnod's Altar
Chromatic Orrery
Requires
Merfolk Secretkeeper // Venture Deeper must be in the graveyard.
Underworld Breach must be on the battlefield.
Ashnod's Altar must be on the battlefield.
Chromatic Orrery must be on the battlefield.
You have at least three other cards in your graveyard.
Mana needed: 
Steps
- 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. - Cast Merfolk Secretkeeper from exile by paying .
- Activate Ashnod's Altar by sacrificing Merfolk Secretkeeper, adding .
- 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.
Kess, Dissident Mage
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