Kenrith, the Returned King
Great Whale
Altar of Dementia

   Prerequisites

What do I need to start this combo?
Altar of Dementia on the battlefield.
Great Whale in your graveyard.
Kenrith in hand or on the battlefield or in the command zone.
You control up to seven lands that can tap to produce at least 4.

   Steps

How does this combo work?
1
Activate up to seven lands by tapping them, adding at least 4.
2
Activate Kenrith's fifth ability by paying 4, returning Great Whale from your graveyard to the battlefield.
3
When Great Whale enters the battlefield, it triggers, untapping up to seven lands.
4
Activate Altar of Dementia by sacrificing Great Whale, causing target player to mill cards equal to Great Whale's power.
5
Repeat.

   Results

What do I get from this combo?
Infinite death triggers
Infinite ETB
Infinite LTB
Infinite mill
Infinite sacrifice triggers
Infinite self-mill
Infinite mana lands you control can produce
Infinite untap of lands you control
Kenrith, the Returned King
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The First Sliver
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Jodah, Archmage Eternal
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