Mairsil, the Pretender
Endling
Cauldron of Souls
Blood Pet
Thousand-Year Elixir

   Prerequisites

What do I need to start this combo?
Mairsil and Thousand-Year Elixir on the battlefield.
All other permanents in exile.

   Steps

How does this combo work?
1
Activate Mairsil using Cauldron of Souls' ability by tapping it, giving itself persist until end of turn.
2
Activate Mairsil using Blood Pet's ability by sacrificing it, adding .
3
When Mairsil dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
4
Activate Mairsil using Endling's third ability by paying , giving Mairsil undying until end of turn.
5
Activate Mairsil using Blood Pet's ability by sacrificing it, adding .
6
When Mairsil dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
7
Repeat.

   Results

What do I get from this combo?
Infinite black mana
Infinite death triggers
Infinite ETB
Infinite LTB
Infinite sacrifice triggers
Mairsil, the Pretender
0.4%inclusion8 decks1.78K decks
High Synergy Cards
Torchling
100%inclusion8 decks8 decks
100%synergy
Blood Vassal
88%inclusion7 decks8 decks
87%synergy
Aetherling
88%inclusion7 decks8 decks
87%synergy
Oriq Loremage
88%inclusion7 decks8 decks
87%synergy
Nevinyrral's Disk
88%inclusion7 decks8 decks
86%synergy
Buried Alive
88%inclusion7 decks8 decks
84%synergy
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75%inclusion6 decks8 decks
75%synergy
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75%synergy
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75%synergy
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Top Cards
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62%synergy
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61%synergy
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36%synergy
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31%synergy
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16%synergy
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14%synergy
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11%synergy
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Creatures
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52%synergy
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50%synergy
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50%synergy
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44%synergy
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Instants
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45%synergy
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42%synergy
Terminate
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Counterspell
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23%synergy
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Sorceries
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Windfall
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Toxic Deluge
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Wheel of Fortune
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Morality Shift
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Flux
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6%synergy
Ponder
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Gamble
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Vandalblast
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Feed the Swarm
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Utility Artifacts
Lightning Greaves
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8%synergy
Heartstone
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25%synergy
Collector's Vault
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24%synergy
Mirage Mirror
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24%synergy
Conjurer's Closet
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21%synergy
Panharmonicon
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20%synergy
Swiftfoot Boots
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Magistrate's Scepter
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12%synergy
Erratic Portal
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Netherborn Altar
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12%synergy
The Enigma Jewel
13%inclusion1 decks8 decks
12%synergy
Crystal Shard
13%inclusion1 decks8 decks
12%synergy
Illusionist's Bracers
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Agatha's Soul Cauldron
13%inclusion1 decks8 decks
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Elixir of Immortality
13%inclusion1 decks8 decks
11%synergy
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13%inclusion1 decks8 decks
11%synergy
Sword of the Animist
13%inclusion1 decks8 decks
11%synergy
Lithoform Engine
13%inclusion1 decks8 decks
10%synergy
Phyrexian Altar
13%inclusion1 decks8 decks
9%synergy
Strionic Resonator
13%inclusion1 decks8 decks
8%synergy
Wayfarer's Bauble
13%inclusion1 decks8 decks
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Enchantments
Training Grounds
38%inclusion3 decks8 decks
37%synergy
Candlekeep Sage
13%inclusion1 decks8 decks
12%synergy
Bastion of Remembrance
13%inclusion1 decks8 decks
12%synergy
The Meathook Massacre
13%inclusion1 decks8 decks
11%synergy
Rising of the Day
13%inclusion1 decks8 decks
9%synergy
Propaganda
13%inclusion1 decks8 decks
-1%synergy
Mystic Remora
13%inclusion1 decks8 decks
-3%synergy
Rhystic Study
13%inclusion1 decks8 decks
-12%synergy
Planeswalkers
Vraska, Betrayal's Sting
13%inclusion1 decks8 decks
12%synergy
Jace, Wielder of Mysteries
13%inclusion1 decks8 decks
11%synergy
Daretti, Scrap Savant
13%inclusion1 decks8 decks
11%synergy
Ashiok, Dream Render
13%inclusion1 decks8 decks
11%synergy
Nicol Bolas, Dragon-God
13%inclusion1 decks8 decks
9%synergy
Utility Lands
Riptide Laboratory
63%inclusion5 decks8 decks
59%synergy
Minamo, School at Water's Edge
38%inclusion3 decks8 decks
35%synergy
Great Furnace
38%inclusion3 decks8 decks
32%synergy
Seat of the Synod
38%inclusion3 decks8 decks
32%synergy
Vault of Whispers
25%inclusion2 decks8 decks
20%synergy
Desolate Lighthouse
25%inclusion2 decks8 decks
18%synergy
Urborg, Tomb of Yawgmoth
25%inclusion2 decks8 decks
11%synergy
Otawara, Soaring City
25%inclusion2 decks8 decks
9%synergy
Bojuka Bog
25%inclusion2 decks8 decks
1%synergy
Reliquary Tower
25%inclusion2 decks8 decks
-10%synergy
Tocasia's Dig Site
13%inclusion1 decks8 decks
12%synergy
Flamekin Village
13%inclusion1 decks8 decks
12%synergy
Sanctum of Eternity
13%inclusion1 decks8 decks
12%synergy
Tyrite Sanctum
13%inclusion1 decks8 decks
12%synergy
Darksteel Citadel
13%inclusion1 decks8 decks
10%synergy
Field of Ruin
13%inclusion1 decks8 decks
9%synergy
Command Beacon
13%inclusion1 decks8 decks
8%synergy
Phyrexian Tower
13%inclusion1 decks8 decks
7%synergy
Temple of the False God
13%inclusion1 decks8 decks
4%synergy
Mana Artifacts
Sol Ring
100%inclusion8 decks8 decks
10%synergy
Gilded Lotus
88%inclusion7 decks8 decks
84%synergy
Arcane Signet
88%inclusion7 decks8 decks
-1%synergy
Fellwar Stone
63%inclusion5 decks8 decks
27%synergy
Talisman of Creativity
63%inclusion5 decks8 decks
18%synergy
Talisman of Dominance
63%inclusion5 decks8 decks
14%synergy
Izzet Signet
50%inclusion4 decks8 decks
15%synergy
Dimir Signet
50%inclusion4 decks8 decks
12%synergy
Talisman of Indulgence
50%inclusion4 decks8 decks
8%synergy
Coveted Jewel
38%inclusion3 decks8 decks
37%synergy
Rakdos Signet
38%inclusion3 decks8 decks
2%synergy
Chromatic Orrery
25%inclusion2 decks8 decks
24%synergy
Thran Dynamo
25%inclusion2 decks8 decks
20%synergy
Ventifact Bottle
13%inclusion1 decks8 decks
12%synergy
Nyx Lotus
13%inclusion1 decks8 decks
12%synergy
Staff of Compleation
13%inclusion1 decks8 decks
12%synergy
Dreamstone Hedron
13%inclusion1 decks8 decks
12%synergy
Lotus Bloom
13%inclusion1 decks8 decks
12%synergy
Sky Diamond
13%inclusion1 decks8 decks
11%synergy
Jeweled Lotus
13%inclusion1 decks8 decks
10%synergy
Sol Talisman
13%inclusion1 decks8 decks
10%synergy
Basalt Monolith
13%inclusion1 decks8 decks
10%synergy
Machine God's Effigy
13%inclusion1 decks8 decks
10%synergy
Worn Powerstone
13%inclusion1 decks8 decks
7%synergy
Mind Stone
13%inclusion1 decks8 decks
-2%synergy
Relic of Sauron
13%inclusion1 decks8 decks
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Commander's Sphere
13%inclusion1 decks8 decks
-9%synergy
Lands
Xander's Lounge
75%inclusion6 decks8 decks
34%synergy
Steam Vents
75%inclusion6 decks8 decks
31%synergy
Watery Grave
75%inclusion6 decks8 decks
29%synergy
Blood Crypt
63%inclusion5 decks8 decks
19%synergy
Command Tower
63%inclusion5 decks8 decks
-29%synergy
Scalding Tarn
50%inclusion4 decks8 decks
18%synergy
Polluted Delta
50%inclusion4 decks8 decks
16%synergy
Bloodstained Mire
50%inclusion4 decks8 decks
16%synergy
Exotic Orchard
50%inclusion4 decks8 decks
-7%synergy
Thundering Falls
43%inclusion3 decks7 decks
33%synergy
Volcanic Island
38%inclusion3 decks8 decks
23%synergy
Underground Sea
38%inclusion3 decks8 decks
23%synergy
Badlands
38%inclusion3 decks8 decks
22%synergy
Terramorphic Expanse
38%inclusion3 decks8 decks
17%synergy
Haunted Ridge
38%inclusion3 decks8 decks
16%synergy
Stormcarved Coast
38%inclusion3 decks8 decks
12%synergy
Shipwreck Marsh
38%inclusion3 decks8 decks
12%synergy
Underground River
38%inclusion3 decks8 decks
11%synergy
Shivan Reef
38%inclusion3 decks8 decks
9%synergy
Luxury Suite
38%inclusion3 decks8 decks
5%synergy
Training Center
38%inclusion3 decks8 decks
5%synergy
Smoldering Marsh
38%inclusion3 decks8 decks
-1%synergy
Sunken Hollow
38%inclusion3 decks8 decks
-3%synergy
Drowned Catacomb
38%inclusion3 decks8 decks
-5%synergy
Dragonskull Summit
38%inclusion3 decks8 decks
-7%synergy
Sulfur Falls
38%inclusion3 decks8 decks
-8%synergy
Crumbling Necropolis
38%inclusion3 decks8 decks
-18%synergy
Raucous Theater
29%inclusion2 decks7 decks
18%synergy
Undercity Sewers
29%inclusion2 decks7 decks
16%synergy
Grixis Panorama
25%inclusion2 decks8 decks
21%synergy
Mistvault Bridge
25%inclusion2 decks8 decks
21%synergy
Maestros Theater
25%inclusion2 decks8 decks
15%synergy
Marsh Flats
25%inclusion2 decks8 decks
15%synergy
Temple of Epiphany
25%inclusion2 decks8 decks
10%synergy
Evolving Wilds
25%inclusion2 decks8 decks
0%synergy
Sulfurous Springs
25%inclusion2 decks8 decks
-2%synergy
Morphic Pool
25%inclusion2 decks8 decks
-8%synergy
Scene of the Crime
14%inclusion1 decks7 decks
14%synergy
Power Depot
13%inclusion1 decks8 decks
12%synergy
Cinder Barrens
13%inclusion1 decks8 decks
12%synergy
Demolition Field
13%inclusion1 decks8 decks
11%synergy
River of Tears
13%inclusion1 decks8 decks
10%synergy
Molten Tributary
13%inclusion1 decks8 decks
10%synergy
Spirebluff Canal
13%inclusion1 decks8 decks
9%synergy
Prismatic Vista
13%inclusion1 decks8 decks
9%synergy
Thriving Isle
13%inclusion1 decks8 decks
9%synergy
Drossforge Bridge
13%inclusion1 decks8 decks
9%synergy
Tainted Isle
13%inclusion1 decks8 decks
8%synergy
Silverbluff Bridge
13%inclusion1 decks8 decks
8%synergy
Fetid Pools
13%inclusion1 decks8 decks
8%synergy