Chthonian Nightmare
Temporal Manipulation
Eternal Witness

   Prerequisites

What do I need to start this combo?
Eternal Witness in your graveyard.
Chthonian Nightmare and Temporal Manipulation in hand.
You control a nontoken creature with mana value 3 or less.
3 the first turn, with 5 each extra turn available

   Steps

How does this combo work?
1
Cast Temporal Manipulation by paying 3, causing you to take an extra turn after this one.
2
Move to your next turn.
3
Cast Chthonian Nightmare by paying 1.
4
When Chthonian Nightmare enters the battlefield, it triggers, causing you to get eee.
5
Activate Chthonian Nightmare by paying eee, sacrificing a creature with mana value 3 or less, and returning Chthonian Nightmare from the battlefield to your hand, returning Eternal Witness from your graveyard to the battlefield.
6
When Eternal Witness enters the battlefield, it triggers, returning Temporal Manipulation from your graveyard to your hand.
7
Cast Chthonian Nightmare by paying 1.
8
When Chthonian Nightmare enters the battlefield, it triggers, causing you to get eee.
9
Activate Chthonian Nightmare by paying at most eee, sacrificing Eternal Witness, and returning Chthonian Nightmare from the battlefield to your hand, returning a creature with mana value 3 or less from your graveyard to the battlefield.
10
Repeat.

   Results

What do I get from this combo?
Infinite turns
Teval, the Balanced Scale
0.0%inclusion4 decks21.4K decks
Yarok, the Desecrated
0.0%inclusion3 decks9.86K decks
Volrath, the Shapestealer
0.1%inclusion3 decks2.88K decks
Indominus Rex, Alpha
0.0%inclusion1 decks6.51K decks
Cecily, Haunted Mage // Othelm, Sigardian Outcast
0.1%inclusion1 decks1.81K decks
Cazur, Ruthless Stalker // Ukkima, Stalking Shadow
0.0%inclusion1 decks3.85K decks
Atraxa, Praetors' Voice
0.0%inclusion1 decks32.4K decks
Muldrotha, the Gravetide
0.0%inclusion1 decks18.6K decks
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Otawara, Soaring City
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Uro, Titan of Nature's Wrath
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Top Cards
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Game Changers
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Creatures
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Sorceries
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Enchantments
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Battles
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Planeswalkers
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Utility Lands
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Mana Artifacts
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-32%synergy
Lotus Petal
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20%synergy
Lands
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Windswept Heath
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Bloodstained Mire
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Underground Mortuary
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Underground Sea
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Undergrowth Stadium
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16%synergy
Nurturing Peatland
33%inclusion5 decks15 decks
28%synergy
Waterlogged Grove
33%inclusion5 decks15 decks
26%synergy
Horizon of Progress
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26%synergy
Morphic Pool
27%inclusion4 decks15 decks
2%synergy
Rejuvenating Springs
27%inclusion4 decks15 decks
-1%synergy
Cavern of Souls
20%inclusion3 decks15 decks
13%synergy
Llanowar Wastes
20%inclusion3 decks15 decks
-7%synergy