Underworld Breach
Diligent Excavator
Thassa's Oracle
Phyrexian Metamorph

   Prerequisites

What do I need to start this combo?
Artifact Creature with Mana Cost X and Toughness 0 in hand.
Thassa's Oracle in hand or in your graveyard or in your library.
All other permanents on the battlefield.
Phyrexian Metamorph is a copy of Diligent Excavator.
available

   Steps

How does this combo work?
1
Cast the artifact creature from your hand by paying 0.
2
Diligent Excavator and Phyrexian Metamorph trigger, causing you to mill four cards.
3
The artifact creature enters the battlefield and dies as a state-based action due to having zero toughness.
4
Cast the artifact creature from your graveyard for its escape cost by paying 0 and exiling any three cards from your graveyard, except Thassa's Oracle if it is in your graveyard.
5
Repeat from step 2 until you have an empty library.
6
If Thassa's Oracle is in your hand, cast it by paying .
7
Otherwise, cast Thassa's Oracle from your graveyard for its escape cost by paying and exiling three cards from your graveyard.
8
Thassa's Oracle enters the battlefield, causing you to win the game.

   Results

What do I get from this combo?
Infinite self-mill
Near-infinite death triggers
Near-infinite ETB
Near-infinite LTB
Near-infinite storm count
Win the game
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Mana Artifacts
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Lands
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89%synergy
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88%synergy
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87%synergy
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86%synergy
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86%synergy
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85%synergy
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59%synergy
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59%synergy
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59%synergy
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26%synergy
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83%inclusion5 decks6 decks
80%synergy
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83%inclusion5 decks6 decks
78%synergy
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76%synergy
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73%synergy
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72%synergy
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56%synergy
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53%synergy
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30%synergy
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46%synergy
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35%synergy
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35%synergy
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24%synergy
Blood Crypt
50%inclusion1 decks2 decks
13%synergy
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32%synergy
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17%synergy
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33%inclusion2 decks6 decks
31%synergy
Thundering Falls
33%inclusion2 decks6 decks
24%synergy
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33%inclusion2 decks6 decks
23%synergy
Windswept Heath
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22%synergy
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33%inclusion2 decks6 decks
22%synergy
Misty Rainforest
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22%synergy
Polluted Delta
33%inclusion2 decks6 decks
21%synergy
Training Center
33%inclusion2 decks6 decks
8%synergy
Hengegate Pathway
20%inclusion1 decks5 decks
14%synergy
Elegant Parlor
20%inclusion1 decks5 decks
13%synergy
Needleverge Pathway
20%inclusion1 decks5 decks
12%synergy
Battlefield Forge
20%inclusion1 decks5 decks
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Clifftop Retreat
20%inclusion1 decks5 decks
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Aether Hub
17%inclusion1 decks6 decks
16%synergy
Tarnished Citadel
17%inclusion1 decks6 decks
16%synergy
The Mycosynth Gardens
17%inclusion1 decks6 decks
15%synergy
Reflecting Pool
17%inclusion1 decks6 decks
11%synergy
Riverglide Pathway
17%inclusion1 decks6 decks
9%synergy