Cavalier of Night
Activated Sleeper
Yahenni, Undying Partisan

   Prerequisites

What do I need to start this combo?
Activated Sleeper in your graveyard.
Cavalier of Night and Yahenni on the battlefield.

   Steps

How does this combo work?
1
Activate Yahenni, Undying Partisan by sacrificing Cavalier of Night.
2
When Cavalier of Night dies, it triggers, returning Activated Sleeper from your graveyard to the battlefield as a copy of Cavalier of Night.
3
When Activated Sleeper enters the battlefield, its first triggered ability from Cavalier of Night triggers; choose not to sacrifice a creature.
4
Resolve the Yahenni, Undying Partisan ability from step 1.
5
Activate Yahenni, Undying Partisan by sacrificing Activated Sleeper.
6
When Activated Sleeper dies, its last ability from Cavalier of Night triggers, returning itself from your graveyard to the battlefield as a copy of Cavalier of Night.
7
When Activated Sleeper enters the battlefield, it triggers; choose not to sacrifice a creature.
8
Resolve the Yahenni, Undying Partisan ability from step 5.
9
Repeat from step 5.

   Results

What do I get from this combo?
Infinite death triggers
Infinite ETB
Infinite LTB
Infinite sacrifice triggers
Meren of Clan Nel Toth
0.9%inclusion177 decks20K decks
Shadow the Hedgehog
0.9%inclusion87 decks9.40K decks
Moira, Urborg Haunt
8.7%inclusion8 decks92 decks
Sefris of the Hidden Ways
0.0%inclusion3 decks11.3K decks
Karador, Ghost Chieftain
0.0%inclusion3 decks6.34K decks
Marchesa, the Black Rose
0.0%inclusion2 decks12.4K decks
Ludevic, Necro-Alchemist // Tormod, the Desecrator
3.0%inclusion2 decks67 decks
Drivnod, Carnage Dominus
0.2%inclusion2 decks1.12K decks
Sheoldred
0.1%inclusion1 decks1.48K decks
Teval, the Balanced Scale
0.0%inclusion1 decks29.4K decks
Honest Rutstein
0.1%inclusion1 decks1.11K decks
Haakon, Stromgald Scourge
0.3%inclusion1 decks309 decks
Sephiroth, Fabled SOLDIER
0.0%inclusion1 decks22.6K decks
Nethroi, Apex of Death
0.0%inclusion1 decks7.01K decks
The Ever-Changing 'Dane
0.1%inclusion1 decks1.01K decks
Mikaeus, the Unhallowed
0.1%inclusion1 decks1.96K decks
Teysa Karlov
0.0%inclusion1 decks19.6K decks
Carmen, Cruel Skymarcher
0.0%inclusion1 decks4.34K decks
New Cards
Turbulent Fen
100%inclusion1 decks1 decks
98%synergy
Pain 101
6.3%inclusion2 decks32 decks
6%synergy
Ice Cream Kitty
5.0%inclusion1 decks20 decks
4%synergy
Dina, Essence Brewer
3.3%inclusion1 decks30 decks
3%synergy
Super Shredder
1.8%inclusion2 decks111 decks
1%synergy
High Synergy Cards
Saffi Eriksdotter
100%inclusion4 decks4 decks
99%synergy
Prismari Command
100%inclusion4 decks4 decks
94%synergy
Goblin Bombardment
97%inclusion88 decks91 decks
91%synergy
Spore Frog
93%inclusion172 decks184 decks
91%synergy
Lagomos, Hand of Hatred
91%inclusion83 decks91 decks
89%synergy
Great Furnace
93%inclusion85 decks91 decks
87%synergy
Haywire Mite
91%inclusion168 decks184 decks
87%synergy
Protean Hulk
88%inclusion162 decks184 decks
87%synergy
Loyal Apprentice
90%inclusion82 decks91 decks
86%synergy
Urabrask's Forge
87%inclusion79 decks91 decks
85%synergy
Top Cards
Eternal Witness
94%inclusion173 decks184 decks
78%synergy
Sakura-Tribe Elder
93%inclusion171 decks184 decks
77%synergy
Viscera Seer
92%inclusion274 decks298 decks
84%synergy
Zulaport Cutthroat
92%inclusion273 decks298 decks
83%synergy
Assassin's Trophy
89%inclusion164 decks184 decks
58%synergy
Mayhem Devil
89%inclusion81 decks91 decks
79%synergy
Chaos Warp
88%inclusion80 decks91 decks
59%synergy
Zealous Conscripts
86%inclusion78 decks91 decks
84%synergy
Mahadi, Emporium Master
85%inclusion77 decks91 decks
79%synergy
Carrion Feeder
84%inclusion251 decks298 decks
80%synergy
Game Changers
Jeska's Will
59%inclusion54 decks91 decks
44%synergy
Natural Order
53%inclusion97 decks184 decks
51%synergy
Orcish Bowmasters
20%inclusion59 decks298 decks
12%synergy
Field of the Dead
13%inclusion40 decks298 decks
11%synergy
Demonic Tutor
12%inclusion37 decks298 decks
-7%synergy
Vampiric Tutor
8.7%inclusion26 decks298 decks
-6%synergy
Underworld Breach
7.7%inclusion7 decks91 decks
2%synergy
Worldly Tutor
7.6%inclusion14 decks184 decks
-4%synergy
Bolas's Citadel
5.7%inclusion17 decks298 decks
-2%synergy
Creatures
Glasspool Mimic
89%inclusion8 decks9 decks
86%synergy
Accursed Marauder
82%inclusion238 decks290 decks
77%synergy
Cankerbloom
82%inclusion151 decks184 decks
78%synergy
Kiki-Jiki, Mirror Breaker
81%inclusion74 decks91 decks
79%synergy
Reveillark
80%inclusion8 decks10 decks
79%synergy
Karmic Guide
80%inclusion8 decks10 decks
77%synergy
Sun Titan
80%inclusion8 decks10 decks
72%synergy
Elvish Mystic
80%inclusion147 decks184 decks
64%synergy
Llanowar Elves
79%inclusion146 decks184 decks
59%synergy
Birds of Paradise
76%inclusion140 decks184 decks
49%synergy
Warren Soultrader
75%inclusion218 decks290 decks
70%synergy
Renegade Rallier
75%inclusion3 decks4 decks
75%synergy
Morbid Opportunist
74%inclusion222 decks298 decks
67%synergy
Elves of Deep Shadow
74%inclusion137 decks184 decks
66%synergy
Fiend Artisan
73%inclusion135 decks184 decks
72%synergy
Clockwork Percussionist
73%inclusion65 decks89 decks
73%synergy
Insidious Fungus
73%inclusion117 decks161 decks
71%synergy
Mosswood Dreadknight
71%inclusion130 decks184 decks
70%synergy
Fiend Hunter
70%inclusion7 decks10 decks
69%synergy
Fyndhorn Elves
70%inclusion128 decks184 decks
60%synergy
Headliner Scarlett
69%inclusion63 decks91 decks
69%synergy
Pinnacle Monk
68%inclusion62 decks91 decks
63%synergy
Sylvan Safekeeper
68%inclusion125 decks184 decks
64%synergy
Hideous Taskmaster
67%inclusion61 decks91 decks
66%synergy
River Kelpie
67%inclusion6 decks9 decks
66%synergy
Disciple of Freyalise
67%inclusion118 decks177 decks
61%synergy
Spark Double
67%inclusion6 decks9 decks
61%synergy
Ingot Chewer
66%inclusion60 decks91 decks
65%synergy
Plaguecrafter
61%inclusion181 decks298 decks
56%synergy
Boromir, Warden of the Tower
60%inclusion6 decks10 decks
56%synergy
Bartolomé del Presidio
60%inclusion6 decks10 decks
56%synergy
Braids, Arisen Nightmare
60%inclusion178 decks298 decks
53%synergy
Grim Haruspex
59%inclusion177 decks298 decks
57%synergy
Ragavan, Nimble Pilferer
59%inclusion54 decks91 decks
52%synergy
Sephiroth, Fabled SOLDIER
57%inclusion111 decks195 decks
55%synergy
Body Double
56%inclusion5 decks9 decks
55%synergy
Malcolm, Alluring Scoundrel
56%inclusion5 decks9 decks
53%synergy
Likeness Looter
56%inclusion5 decks9 decks
52%synergy
Blood Artist
55%inclusion163 decks298 decks
43%synergy
Mikaeus, the Unhallowed
54%inclusion162 decks298 decks
52%synergy
Simian Spirit Guide
54%inclusion49 decks91 decks
48%synergy
Cartel Aristocrat
50%inclusion5 decks10 decks
50%synergy
Shoreline Looter
50%inclusion4 decks8 decks
49%synergy
Endurance
49%inclusion91 decks184 decks
47%synergy
Demon's Disciple
48%inclusion144 decks298 decks
47%synergy
Fleshbag Marauder
46%inclusion138 decks298 decks
43%synergy
Yawgmoth, Thran Physician
46%inclusion137 decks298 decks
43%synergy
Wharf Infiltrator
44%inclusion4 decks9 decks
44%synergy
Mirror Image
44%inclusion4 decks9 decks
44%synergy
Looter il-Kor
44%inclusion4 decks9 decks
44%synergy
Instants
Bolt Bend
79%inclusion72 decks91 decks
75%synergy
Beast Within
77%inclusion141 decks184 decks
43%synergy
Tear Asunder
72%inclusion133 decks184 decks
65%synergy
Kazuul's Fury
71%inclusion65 decks91 decks
69%synergy
Tibalt's Trickery
66%inclusion60 decks91 decks
61%synergy
Fell the Profane
60%inclusion175 decks290 decks
51%synergy
Deflecting Swat
57%inclusion52 decks91 decks
40%synergy
Chord of Calling
55%inclusion101 decks184 decks
50%synergy
Swords to Plowshares
50%inclusion5 decks10 decks
-11%synergy
Anguished Unmaking
40%inclusion4 decks10 decks
16%synergy
Flare of Malice
27%inclusion77 decks290 decks
24%synergy
Soul Shatter
24%inclusion73 decks298 decks
22%synergy
Entomb
22%inclusion66 decks298 decks
15%synergy
Sheoldred's Edict
21%inclusion64 decks298 decks
19%synergy
Deadly Dispute
17%inclusion51 decks298 decks
5%synergy
Dark Ritual
15%inclusion45 decks298 decks
-9%synergy
Rakdos Charm
14%inclusion13 decks91 decks
-1%synergy
Untimely Malfunction
13%inclusion12 decks89 decks
6%synergy
Abrupt Decay
13%inclusion24 decks184 decks
4%synergy
Village Rites
12%inclusion37 decks298 decks
3%synergy
Malakir Rebirth
10%inclusion31 decks298 decks
2%synergy
Heroic Intervention
10%inclusion19 decks184 decks
-20%synergy
Saw in Half
9.1%inclusion27 decks298 decks
5%synergy
Unexpected Windfall
8.8%inclusion8 decks91 decks
2%synergy
Corrupted Conviction
8.1%inclusion24 decks298 decks
4%synergy
Big Score
7.7%inclusion7 decks91 decks
-3%synergy
Bedevil
7.7%inclusion7 decks91 decks
-4%synergy
Terminate
7.7%inclusion7 decks91 decks
-11%synergy
Putrefy
7.6%inclusion14 decks184 decks
-9%synergy
Revitalizing Repast
6.8%inclusion12 decks177 decks
-2%synergy
Deadly Rollick
6.7%inclusion20 decks298 decks
-7%synergy
Return the Favor
6.6%inclusion6 decks91 decks
3%synergy
Sorceries
Seize the Spotlight
78%inclusion71 decks91 decks
76%synergy
Vandalblast
78%inclusion71 decks91 decks
63%synergy
Song of Totentanz
76%inclusion69 decks91 decks
74%synergy
Nature's Lore
71%inclusion130 decks184 decks
39%synergy
Farseek
68%inclusion126 decks184 decks
33%synergy
Sundering Eruption
68%inclusion62 decks91 decks
64%synergy
Three Visits
66%inclusion121 decks184 decks
42%synergy
Rampant Growth
65%inclusion119 decks184 decks
32%synergy
Rally at the Hornburg
60%inclusion55 decks91 decks
60%synergy
Reanimate
60%inclusion178 decks298 decks
41%synergy
Toxic Deluge
52%inclusion154 decks298 decks
34%synergy
Agadeem's Awakening
33%inclusion99 decks298 decks
30%synergy
Blasphemous Edict
31%inclusion78 decks254 decks
25%synergy
Damn
30%inclusion3 decks10 decks
15%synergy
Victimize
27%inclusion79 decks298 decks
14%synergy
Buried Alive
22%inclusion67 decks298 decks
16%synergy
Blasphemous Act
21%inclusion19 decks91 decks
-12%synergy
Living Death
15%inclusion46 decks298 decks
10%synergy
Culling Ritual
14%inclusion26 decks184 decks
4%synergy
Diabolic Intent
14%inclusion41 decks298 decks
6%synergy
Molten Duplication
11%inclusion10 decks91 decks
9%synergy
Cultivate
10%inclusion18 decks184 decks
-33%synergy
Eldritch Evolution
9.2%inclusion17 decks184 decks
5%synergy
Unmarked Grave
8.7%inclusion26 decks298 decks
7%synergy
Heat Shimmer
6.6%inclusion6 decks91 decks
6%synergy
Twinflame
6.6%inclusion6 decks91 decks
4%synergy
Rise of the Witch-king
6.5%inclusion12 decks184 decks
2%synergy
Persist
6.4%inclusion19 decks298 decks
4%synergy
Bala Ged Recovery
6.0%inclusion11 decks184 decks
-2%synergy
Crackle with Power
5.5%inclusion5 decks91 decks
3%synergy
Kodama's Reach
5.4%inclusion10 decks184 decks
-21%synergy
Final Parting
5.4%inclusion16 decks298 decks
4%synergy
Feed the Swarm
5.4%inclusion16 decks298 decks
-11%synergy
Dread Return
5.0%inclusion15 decks298 decks
0%synergy
Utility Artifacts
Ashnod's Altar
81%inclusion241 decks298 decks
75%synergy
Hammer of Purphoros
78%inclusion71 decks91 decks
77%synergy
Birthing Pod
68%inclusion126 decks184 decks
67%synergy
Altar of Dementia
67%inclusion201 decks298 decks
65%synergy
Phyrexian Altar
63%inclusion189 decks298 decks
60%synergy
Skullclamp
45%inclusion135 decks298 decks
34%synergy
Lightning Greaves
39%inclusion115 decks298 decks
14%synergy
Mithril Coat
30%inclusion88 decks298 decks
25%synergy
The Fire Crystal
17%inclusion15 decks88 decks
13%synergy
Swiftfoot Boots
12%inclusion37 decks298 decks
-15%synergy
The Reaver Cleaver
8.8%inclusion8 decks91 decks
4%synergy
Enchantments
Rising of the Day
79%inclusion72 decks91 decks
75%synergy
Journey to Eternity
72%inclusion133 decks184 decks
70%synergy
Fervor
71%inclusion65 decks91 decks
70%synergy
Mass Hysteria
67%inclusion61 decks91 decks
66%synergy
Evolutionary Leap
67%inclusion123 decks184 decks
66%synergy
Birthing Ritual
60%inclusion106 decks177 decks
59%synergy
Grave Pact
47%inclusion141 decks298 decks
43%synergy
Guardian Project
47%inclusion86 decks184 decks
39%synergy
Attrition
34%inclusion102 decks298 decks
34%synergy
Bastion of Remembrance
32%inclusion94 decks298 decks
25%synergy
Gift of Doom
30%inclusion89 decks298 decks
29%synergy
The Meathook Massacre
27%inclusion79 decks298 decks
21%synergy
Animate Dead
19%inclusion58 decks298 decks
11%synergy
Moldervine Reclamation
11%inclusion20 decks184 decks
4%synergy
Pattern of Rebirth
10%inclusion19 decks184 decks
10%synergy
Dictate of Erebos
7.0%inclusion21 decks298 decks
4%synergy
Necromancy
6.7%inclusion20 decks298 decks
4%synergy
Phyrexian Arena
6.4%inclusion19 decks298 decks
-9%synergy
Insidious Roots
6.0%inclusion11 decks184 decks
1%synergy
Rain of Riches
5.5%inclusion5 decks91 decks
3%synergy
Curse of Opulence
5.5%inclusion5 decks91 decks
2%synergy
Awakening Zone
5.4%inclusion10 decks184 decks
3%synergy
Planeswalkers
Chandra, Acolyte of Flame
6.6%inclusion6 decks91 decks
6%synergy
Utility Lands
Sokenzan, Crucible of Defiance
75%inclusion68 decks91 decks
72%synergy
Arena of Glory
68%inclusion62 decks91 decks
62%synergy
Phyrexian Tower
63%inclusion189 decks298 decks
54%synergy
Urborg, Tomb of Yawgmoth
53%inclusion158 decks298 decks
44%synergy
High Market
52%inclusion155 decks298 decks
49%synergy
Cephalid Coliseum
44%inclusion4 decks9 decks
41%synergy
Yavimaya, Cradle of Growth
31%inclusion92 decks298 decks
22%synergy
Takenuma, Abandoned Mire
29%inclusion86 decks298 decks
20%synergy
Vault of Whispers
28%inclusion84 decks298 decks
24%synergy
Darksteel Citadel
28%inclusion82 decks298 decks
24%synergy
Treasure Vault
25%inclusion74 decks298 decks
22%synergy
Bojuka Bog
24%inclusion71 decks298 decks
-6%synergy
Boseiju, Who Endures
15%inclusion27 decks184 decks
-4%synergy
Reliquary Tower
9.1%inclusion27 decks298 decks
-21%synergy
Shifting Woodland
9.0%inclusion16 decks177 decks
2%synergy
Dryad Arbor
8.7%inclusion16 decks184 decks
5%synergy
Cabal Coffers
8.4%inclusion25 decks298 decks
-1%synergy
Grim Backwoods
8.2%inclusion15 decks184 decks
5%synergy
Spymaster's Vault
7.6%inclusion22 decks290 decks
5%synergy
Mines of Moria
5.5%inclusion5 decks91 decks
3%synergy
Rogue's Passage
5.4%inclusion16 decks298 decks
-15%synergy
Mana Artifacts
Sol Ring
94%inclusion281 decks298 decks
11%synergy
Rakdos Signet
90%inclusion82 decks91 decks
66%synergy
Talisman of Indulgence
88%inclusion80 decks91 decks
60%synergy
Arcane Signet
51%inclusion152 decks298 decks
-21%synergy
Fellwar Stone
25%inclusion74 decks298 decks
4%synergy
Springleaf Drum
23%inclusion68 decks298 decks
21%synergy
Lotus Petal
20%inclusion59 decks298 decks
13%synergy
Mox Opal
14%inclusion41 decks298 decks
9%synergy
Mox Amber
13%inclusion38 decks298 decks
8%synergy
Cursed Mirror
8.8%inclusion8 decks91 decks
3%synergy
Talisman of Resilience
7.6%inclusion14 decks184 decks
-5%synergy
Thought Vessel
6.4%inclusion19 decks298 decks
-11%synergy
Golgari Signet
6.0%inclusion11 decks184 decks
-4%synergy
Mind Stone
5.0%inclusion15 decks298 decks
-9%synergy
Lands
Volatile Fjord
100%inclusion4 decks4 decks
99%synergy
Cascade Bluffs
100%inclusion4 decks4 decks
85%synergy
Temple of Epiphany
100%inclusion4 decks4 decks
83%synergy
Crumbling Necropolis
100%inclusion4 decks4 decks
73%synergy
Command Tower
91%inclusion272 decks298 decks
17%synergy
Woodland Cemetery
88%inclusion161 decks184 decks
55%synergy
Llanowar Wastes
86%inclusion158 decks184 decks
59%synergy
Sulfurous Springs
86%inclusion78 decks91 decks
62%synergy
Shadowblood Ridge
80%inclusion73 decks91 decks
68%synergy
Graven Cairns
79%inclusion72 decks91 decks
69%synergy
Overgrown Tomb
76%inclusion140 decks184 decks
35%synergy
Thundering Falls
75%inclusion3 decks4 decks
66%synergy
Bountiful Promenade
75%inclusion3 decks4 decks
53%synergy
Indatha Triome
75%inclusion3 decks4 decks
48%synergy
Arcane Sanctum
75%inclusion3 decks4 decks
48%synergy
Temple Garden
75%inclusion3 decks4 decks
36%synergy
Blood Crypt
75%inclusion68 decks91 decks
37%synergy
Twilight Mire
74%inclusion137 decks184 decks
61%synergy
Raucous Theater
73%inclusion66 decks91 decks
62%synergy
Undergrowth Stadium
72%inclusion132 decks184 decks
48%synergy
Necroblossom Snarl
71%inclusion131 decks184 decks
60%synergy
Mount Doom
70%inclusion64 decks91 decks
65%synergy
Deathcap Glade
70%inclusion129 decks184 decks
57%synergy
Luxury Suite
69%inclusion63 decks91 decks
46%synergy
Darkwater Catacombs
67%inclusion6 decks9 decks
52%synergy
Drowned Catacomb
67%inclusion6 decks9 decks
38%synergy
Tainted Wood
65%inclusion119 decks184 decks
51%synergy
Underground Mortuary
63%inclusion116 decks184 decks
50%synergy
Blooming Marsh
61%inclusion113 decks184 decks
57%synergy
Temple of Deceit
56%inclusion5 decks9 decks
41%synergy
Nurturing Peatland
55%inclusion102 decks184 decks
51%synergy
Wastewood Verge
54%inclusion68 decks125 decks
47%synergy
Isolated Chapel
50%inclusion5 decks10 decks
16%synergy
Vernal Fen
46%inclusion38 decks83 decks
36%synergy
Ice Tunnel
44%inclusion4 decks9 decks
43%synergy
Thriving Isle
44%inclusion4 decks9 decks
42%synergy
Fetid Pools
44%inclusion4 decks9 decks
38%synergy
Tainted Field
40%inclusion4 decks10 decks
27%synergy
Fetid Heath
40%inclusion4 decks10 decks
26%synergy
Caves of Koilos
40%inclusion4 decks10 decks
11%synergy
Godless Shrine
40%inclusion4 decks10 decks
-1%synergy
Verdant Catacombs
36%inclusion107 decks298 decks
25%synergy
Darkbore Pathway
35%inclusion65 decks184 decks
29%synergy
Undercity Sewers
33%inclusion3 decks9 decks
22%synergy
Shipwreck Marsh
33%inclusion3 decks9 decks
15%synergy
Exotic Orchard
32%inclusion96 decks298 decks
-4%synergy
Shineshadow Snarl
30%inclusion3 decks10 decks
18%synergy
Temple of Silence
30%inclusion3 decks10 decks
13%synergy
Vault of Champions
30%inclusion3 decks10 decks
6%synergy
Drossforge Bridge
30%inclusion27 decks91 decks
26%synergy