Mikaeus, the Unhallowed + Living Death + Ashnod's Altar + Blood Pet + Eternal Witness

Mikaeus, the Unhallowed
Living Death
Ashnod's Altar
Blood Pet
Eternal Witness

Requires
Mikaeus, the Unhallowed must be on the battlefield. Living Death must be in hand. Ashnod's Altar must be on the battlefield. Blood Pet must be on the battlefield. Eternal Witness must be on the battlefield. Blood Pet does not have a +1/+1 counter on it.
Steps
  1. Activate Blood Pet by sacrificing it, adding .
  2. When Blood Pet dies, its undying ability triggers, returning it to the battlefield from your graveyard with a +1/+1 counter on it.
  3. Activate Blood Pet by sacrificing it, adding .
  4. Activate Ashnod's Altar twice by sacrificing Eternal Witness and Mikaeus, adding .
  5. Cast Living Death by paying 3, causing each player to exile all creature cards in their graveyards, sacrifice all creatures they control, then put all cards exiled this way onto the battlefield.
  6. When Eternal Witness enters the battlefield, it triggers, returning Living Death to your hand from your graveyard.
  7. Repeat.
Results
Infinite colorless mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite magecraft triggers. Infinite sacrifice triggers. Infinite storm count.

Meren of Clan Nel Toth
0.30% of 14168 decks 42 decks
High Synergy Cards
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89% of 53 decks +84% synergy
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75% of 53 decks +74% synergy
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80% of 10 decks +74% synergy
Top Cards
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72% of 53 decks +68% synergy
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60% of 10 decks +58% synergy
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60% of 10 decks +56% synergy
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60% of 10 decks +55% synergy
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58% of 52 decks +56% synergy
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57% of 51 decks +52% synergy
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57% of 53 decks +54% synergy
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50% of 52 decks +46% synergy
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49% of 53 decks +48% synergy
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47% of 53 decks +44% synergy
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47% of 53 decks +35% synergy
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45% of 11 decks +43% synergy
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45% of 53 decks +44% synergy
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45% of 53 decks +43% synergy
Reclamation Sage
45% of 53 decks +40% synergy
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45% of 53 decks +35% synergy
Elves of Deep Shadow
42% of 53 decks +39% synergy
Massacre Wurm
40% of 53 decks +38% synergy
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38% of 52 decks +36% synergy
Fleshbag Marauder
36% of 53 decks +34% synergy
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35% of 52 decks +30% synergy
Caustic Caterpillar
34% of 53 decks +33% synergy
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33% of 52 decks +31% synergy
Demon's Disciple
31% of 51 decks +30% synergy
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30% of 53 decks +24% synergy
Razaketh, the Foulblooded
29% of 52 decks +28% synergy
Walking Ballista
29% of 52 decks +26% synergy
Phyrexian Delver
28% of 53 decks +28% synergy
Fauna Shaman
28% of 53 decks +27% synergy
Sheoldred, Whispering One
28% of 53 decks +26% synergy
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27% of 51 decks +26% synergy
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26% of 53 decks +25% synergy
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26% of 53 decks +12% synergy
Fiend Artisan
25% of 51 decks +25% synergy
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25% of 53 decks +24% synergy
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25% of 53 decks +23% synergy
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25% of 53 decks +16% synergy
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24% of 51 decks +23% synergy
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23% of 53 decks +22% synergy
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23% of 53 decks +21% synergy
Delighted Halfling
22% of 27 decks +15% synergy
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22% of 51 decks +20% synergy
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21% of 19 decks +20% synergy
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19% of 26 decks +13% synergy
Instants
Dark Ritual
40% of 53 decks +28% synergy
Saw in Half
31% of 45 decks +30% synergy
Abrupt Decay
28% of 53 decks +26% synergy
Vampiric Tutor
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26% of 53 decks +20% synergy
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26% of 53 decks +8% synergy
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25% of 51 decks +21% synergy
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24% of 51 decks +18% synergy
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23% of 53 decks +21% synergy
Veil of Summer
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Deadly Rollick
16% of 51 decks +10% synergy
Deadly Dispute
16% of 51 decks +10% synergy
Heroic Intervention
15% of 52 decks +2% synergy
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15% of 53 decks +14% synergy
Noxious Revival
15% of 53 decks +12% synergy
Crop Rotation
11% of 53 decks +7% synergy
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10% of 51 decks +8% synergy
Tragic Slip
9% of 53 decks +8% synergy
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9% of 53 decks +7% synergy
Rushed Rebirth
8% of 51 decks +8% synergy
Mausoleum Secrets
8% of 52 decks +7% synergy
Putrefy
8% of 53 decks +4% synergy
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8% of 53 decks +4% synergy
Tear Asunder
7% of 46 decks +5% synergy
Baleful Mastery
6% of 51 decks +4% synergy
Infernal Grasp
6% of 51 decks +2% synergy
Corpse Dance
6% of 53 decks +6% synergy
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6% of 53 decks +5% synergy
Songs of the Damned
6% of 53 decks +5% synergy
Sudden Spoiling
6% of 53 decks +5% synergy
Dismember
6% of 53 decks +4% synergy
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47% of 53 decks +35% synergy
Diabolic Intent
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Culling Ritual
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Eldritch Evolution
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27% of 11 decks +26% synergy
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25% of 51 decks +24% synergy
Dread Return
25% of 53 decks +22% synergy
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25% of 53 decks +20% synergy
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24% of 17 decks +23% synergy
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22% of 51 decks +20% synergy
Bala Ged Recovery
22% of 51 decks +17% synergy
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21% of 53 decks +18% synergy
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18% of 51 decks +16% synergy
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15% of 53 decks +15% synergy
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13% of 53 decks +13% synergy
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13% of 53 decks +12% synergy
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6% of 52 decks +2% synergy
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6% of 53 decks +5% synergy
Crystal Vein
6% of 53 decks +5% synergy
Thespian's Stage
6% of 53 decks +3% synergy
Strip Mine
6% of 53 decks +3% synergy
Mana Artifacts
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87% of 53 decks +2% synergy
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48% of 52 decks -23% synergy
Talisman of Resilience
23% of 52 decks +21% synergy
Golgari Signet
17% of 53 decks +14% synergy
Mana Crypt
17% of 53 decks +6% synergy
Mana Vault
13% of 53 decks +7% synergy
Jeweled Lotus
10% of 51 decks +2% synergy
Lotus Petal
8% of 53 decks +1% synergy
Lands
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92% of 53 decks +19% synergy
Woodland Cemetery
75% of 53 decks +70% synergy
Taiga
75% of 4 decks +72% synergy
Badlands
75% of 4 decks +72% synergy
Blood Crypt
75% of 4 decks +66% synergy
Stomping Ground
75% of 4 decks +66% synergy
Overgrown Tomb
74% of 53 decks +64% synergy
Llanowar Wastes
62% of 53 decks +57% synergy
Verdant Catacombs
60% of 53 decks +49% synergy
Underground Mortuary
53% of 15 decks +50% synergy
Undergrowth Stadium
53% of 51 decks +47% synergy
Tainted Wood
51% of 53 decks +48% synergy
Darkbore Pathway
45% of 51 decks +43% synergy
Deathcap Glade
41% of 51 decks +38% synergy
Necroblossom Snarl
39% of 51 decks +37% synergy
Nurturing Peatland
35% of 52 decks +33% synergy
Twilight Mire
34% of 53 decks +32% synergy
Golgari Rot Farm
34% of 53 decks +30% synergy
Temple of Malady
26% of 53 decks +23% synergy
Blooming Marsh
23% of 52 decks +22% synergy
Exotic Orchard
23% of 53 decks -13% synergy
Fabled Passage
21% of 52 decks +12% synergy
Bayou
19% of 53 decks +16% synergy
Evolving Wilds
17% of 53 decks -4% synergy
Windswept Heath
15% of 53 decks +5% synergy
Marsh Flats
15% of 53 decks +4% synergy
Misty Rainforest
15% of 53 decks +3% synergy
Woodland Chasm
14% of 51 decks +13% synergy
City of Brass
13% of 53 decks +5% synergy
Wooded Foothills
13% of 53 decks +3% synergy
Prismatic Vista
12% of 52 decks +6% synergy
Mana Confluence
11% of 53 decks +4% synergy
Polluted Delta
11% of 53 decks +0% synergy
Haunted Mire
11% of 46 decks +9% synergy
Jungle Hollow
9% of 53 decks +8% synergy
Bloodstained Mire
9% of 53 decks -1% synergy
Terramorphic Expanse
9% of 53 decks -6% synergy
Plaza of Heroes
9% of 46 decks +5% synergy
Reflecting Pool
6% of 53 decks +0% synergy