Felidar Guardian + Liliana, Death's Majesty + Ashnod's Altar

Felidar Guardian
Liliana, Death's Majesty
Ashnod's Altar

Requires
Felidar Guardian must be on the battlefield. Liliana, Death's Majesty must be on the battlefield. Ashnod's Altar must be on the battlefield. Liliana has at least four loyalty counters on it.
Steps
  1. Activate Ashnod's Altar by sacrificing Felidar Guardian, adding .
  2. Activate Liliana's second loyalty ability by removing three loyalty counters from it, returning Felidar Guardian from your graveyard to the battlefield.
  3. Felidar Guardian enters the battlefield, blinking Liliana.
  4. Repeat.
Results
Infinite colorless mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Dihada, Binder of Wills
0.05% of 9632 decks 5 decks
Kroxa and Kunoros
0.15% of 2058 decks 3 decks
Alesha, Who Smiles at Death
0.05% of 5907 decks 3 decks
Jeska, Thrice Reborn // Tymna the Weaver
0.06% of 1579 decks 1 decks
Sophina, Spearsage Deserter // Wernog, Rider's Chaplain
0.16% of 640 decks 1 decks
Abdel Adrian, Gorion's Ward // Agent of the Iron Throne
0.24% of 421 decks 1 decks
Queen Marchesa
0.01% of 12580 decks 1 decks
Alela, Artful Provocateur
0.01% of 12216 decks 1 decks
Ghen, Arcanum Weaver
0.05% of 2211 decks 1 decks
Aryel, Knight of Windgrace
0.15% of 660 decks 1 decks
Garth One-Eye
0.02% of 4116 decks 1 decks
Karador, Ghost Chieftain
0.02% of 5430 decks 1 decks
Teysa Karlov
0.01% of 15565 decks 1 decks
High Synergy Cards
Faithless Looting
88% of 16 decks +71% synergy
Goblin Bombardment
69% of 16 decks +62% synergy
Sun Titan
71% of 21 decks +61% synergy
Karmic Guide
62% of 21 decks +57% synergy
Altar of Dementia
52% of 21 decks +50% synergy
Animate Dead
57% of 21 decks +48% synergy
Viscera Seer
52% of 21 decks +43% synergy
Unburial Rites
43% of 21 decks +40% synergy
Reveillark
38% of 21 decks +36% synergy
Cathartic Reunion
38% of 16 decks +34% synergy
Top Cards
Swords to Plowshares
71% of 21 decks +9% synergy
Elas il-Kor, Sadistic Pilgrim
45% of 20 decks +34% synergy
Victimize
43% of 21 decks +31% synergy
Smothering Tithe
43% of 21 decks +18% synergy
Path to Exile
43% of 21 decks -3% synergy
Solemn Simulacrum
38% of 21 decks +24% synergy
Thrill of Possibility
38% of 16 decks +27% synergy
Vile Entomber
35% of 20 decks +33% synergy
Carrion Feeder
33% of 21 decks +28% synergy
Entomb
33% of 21 decks +26% synergy
Creatures
Blood Artist
33% of 21 decks +22% synergy
Feldon of the Third Path
31% of 16 decks +28% synergy
Fiend Hunter
29% of 21 decks +27% synergy
Zulaport Cutthroat
29% of 21 decks +19% synergy
Abdel Adrian, Gorion's Ward
25% of 20 decks +24% synergy
Murderous Redcap
25% of 16 decks +24% synergy
Judith, the Scourge Diva
25% of 16 decks +23% synergy
Priest of Fell Rites
25% of 20 decks +23% synergy
Kiki-Jiki, Mirror Breaker
25% of 16 decks +21% synergy
Chainer, Nightmare Adept
25% of 16 decks +20% synergy
Dockside Extortionist
25% of 16 decks +13% synergy
Leonin Relic-Warder
24% of 21 decks +23% synergy
Hero of the Dunes
20% of 15 decks +20% synergy
Cadric, Soul Kindler
20% of 15 decks +18% synergy
Junji, the Midnight Sky
20% of 20 decks +17% synergy
Lurrus of the Dream-Den
20% of 20 decks +17% synergy
Mahadi, Emporium Master
20% of 15 decks +13% synergy
Esper Sentinel
20% of 20 decks -1% synergy
Anafenza, Kin-Tree Spirit
19% of 21 decks +18% synergy
Restoration Angel
19% of 21 decks +17% synergy
Ravenous Chupacabra
19% of 21 decks +15% synergy
Pitiless Plunderer
19% of 21 decks +11% synergy
Cruel Celebrant
19% of 21 decks +11% synergy
Grand Abolisher
19% of 21 decks +10% synergy
Syr Konrad, the Grim
19% of 21 decks +10% synergy
Worldgorger Dragon
19% of 16 decks +18% synergy
Gerrard, Weatherlight Hero
19% of 16 decks +18% synergy
Kroxa, Titan of Death's Hunger
19% of 16 decks +17% synergy
Imperial Recruiter
19% of 16 decks +13% synergy
Mayhem Devil
19% of 16 decks +9% synergy
Activated Sleeper
15% of 20 decks +15% synergy
Archon of Cruelty
15% of 20 decks +13% synergy
Millikin
14% of 21 decks +13% synergy
Dusk Legion Zealot
14% of 21 decks +13% synergy
Ashen Rider
14% of 21 decks +13% synergy
Eldrazi Displacer
14% of 21 decks +13% synergy
Razaketh, the Foulblooded
14% of 21 decks +12% synergy
Recruiter of the Guard
14% of 21 decks +11% synergy
Yahenni, Undying Partisan
14% of 21 decks +11% synergy
Aven Mindcensor
14% of 21 decks +10% synergy
Sheoldred, Whispering One
14% of 21 decks +9% synergy
Corpse Knight
14% of 21 decks +9% synergy
Instants
Despark
33% of 21 decks +18% synergy
Mortify
29% of 21 decks +17% synergy
Anguished Unmaking
29% of 21 decks +4% synergy
Generous Gift
29% of 21 decks +3% synergy
Pyroblast
25% of 16 decks +19% synergy
Rakdos Charm
25% of 16 decks +11% synergy
Vampiric Tutor
24% of 21 decks +6% synergy
Fracture
20% of 20 decks +13% synergy
Village Rites
20% of 20 decks +10% synergy
Deadly Dispute
20% of 20 decks +9% synergy
Enlightened Tutor
19% of 21 decks +1% synergy
Teferi's Protection
19% of 21 decks -1% synergy
Dark Ritual
19% of 21 decks -3% synergy
Terminate
19% of 16 decks -2% synergy
Ephemerate
14% of 21 decks +8% synergy
Sorceries
Damn
30% of 20 decks +14% synergy
Buried Alive
29% of 21 decks +23% synergy
Reanimate
29% of 21 decks +13% synergy
Breach the Multiverse
27% of 11 decks +23% synergy
Gamble
25% of 16 decks +15% synergy
Vindicate
24% of 21 decks +17% synergy
Demonic Tutor
24% of 21 decks +2% synergy
Ruinous Ultimatum
20% of 15 decks +2% synergy
Stitch Together
19% of 21 decks +17% synergy
Final Parting
19% of 21 decks +17% synergy
Grim Tutor
19% of 21 decks +14% synergy
Dread Return
19% of 21 decks +14% synergy
Living Death
19% of 21 decks +14% synergy
Wrath of God
19% of 21 decks +12% synergy
Diabolic Intent
19% of 21 decks +10% synergy
Austere Command
19% of 21 decks +6% synergy
Blasphemous Act
19% of 16 decks -15% synergy
Idyllic Tutor
14% of 21 decks +9% synergy
Sevinne's Reclamation
14% of 21 decks +7% synergy
Night's Whisper
14% of 21 decks +5% synergy
Utility Artifacts
Blasting Station
29% of 21 decks +28% synergy
Phyrexian Altar
29% of 21 decks +25% synergy
Skullclamp
24% of 21 decks +11% synergy
Lightning Greaves
24% of 21 decks -2% synergy
Nim Deathmantle
14% of 21 decks +14% synergy
Altar of the Brood
14% of 21 decks +13% synergy
Enchantments
Kaya's Ghostform
24% of 21 decks +20% synergy
Phyrexian Arena
24% of 21 decks +9% synergy
Dance of the Dead
19% of 21 decks +17% synergy
Necromancy
19% of 21 decks +16% synergy
Impact Tremors
19% of 16 decks +9% synergy
Teleportation Circle
15% of 20 decks +11% synergy
The Meathook Massacre
15% of 20 decks +10% synergy
Bastion of Remembrance
15% of 20 decks +9% synergy
Angelic Renewal
14% of 21 decks +14% synergy
Planeswalkers
Liliana, Dreadhorde General
14% of 21 decks +11% synergy
Utility Lands
Bojuka Bog
29% of 21 decks -2% synergy
High Market
19% of 21 decks +16% synergy
Castle Locthwain
19% of 21 decks +14% synergy
Takenuma, Abandoned Mire
15% of 20 decks +4% synergy
Shambling Vent
14% of 21 decks +13% synergy
Ghost Quarter
14% of 21 decks +12% synergy
Temple of the False God
14% of 21 decks +5% synergy
Rogue's Passage
14% of 21 decks -5% synergy
Reliquary Tower
14% of 21 decks -15% synergy
Mana Artifacts
Sol Ring
86% of 21 decks +1% synergy
Arcane Signet
81% of 21 decks +9% synergy
Orzhov Signet
43% of 21 decks +16% synergy
Fellwar Stone
38% of 21 decks +17% synergy
Talisman of Hierarchy
33% of 21 decks +9% synergy
Talisman of Conviction
31% of 16 decks +8% synergy
Boros Signet
19% of 16 decks -5% synergy
Talisman of Indulgence
19% of 16 decks -8% synergy
Rakdos Signet
19% of 16 decks -11% synergy
Chromatic Lantern
14% of 21 decks +5% synergy
Commander's Sphere
14% of 21 decks -1% synergy
Mind Stone
14% of 21 decks -3% synergy
Lands
Command Tower
100% of 21 decks +26% synergy
Raucous Theater
60% of 5 decks +47% synergy
Shadowy Backstreet
57% of 7 decks +44% synergy
Smoldering Marsh
56% of 16 decks +24% synergy
Sacred Foundry
56% of 16 decks +20% synergy
Caves of Koilos
52% of 21 decks +24% synergy
Godless Shrine
52% of 21 decks +12% synergy
Battlefield Forge
50% of 16 decks +24% synergy
Dragonskull Summit
50% of 16 decks +19% synergy
Blood Crypt
50% of 16 decks +11% synergy
Haunted Ridge
47% of 15 decks +31% synergy
Sundown Pass
40% of 15 decks +25% synergy
Spectator Seating
40% of 15 decks +15% synergy
Savai Triome
40% of 15 decks +13% synergy
Marsh Flats
38% of 21 decks +27% synergy
Exotic Orchard
38% of 21 decks +3% synergy
Foreboding Ruins
38% of 16 decks +22% synergy
Luxury Suite
38% of 16 decks +11% synergy
Nomad Outpost
38% of 16 decks +10% synergy
Shattered Sanctum
35% of 20 decks +22% synergy
Arid Mesa
33% of 21 decks +23% synergy
Sulfurous Springs
31% of 16 decks +11% synergy
Vault of Champions
30% of 20 decks +4% synergy
Tainted Field
29% of 21 decks +15% synergy
Temple of Silence
29% of 21 decks +11% synergy
Alpine Meadow
27% of 15 decks +24% synergy
Shadowblood Ridge
25% of 16 decks +13% synergy
Clifftop Retreat
25% of 16 decks -4% synergy
Bloodstained Mire
24% of 21 decks +13% synergy
Orzhov Basilica
24% of 21 decks +8% synergy
Isolated Chapel
24% of 21 decks -4% synergy
Shineshadow Snarl
20% of 20 decks +8% synergy
Furycalm Snarl
20% of 15 decks +7% synergy
Concealed Courtyard
19% of 21 decks +13% synergy
Scoured Barrens
19% of 21 decks +10% synergy
Terramorphic Expanse
19% of 21 decks +3% synergy
Evolving Wilds
19% of 21 decks -2% synergy
Boros Guildgate
19% of 16 decks +14% synergy
Canyon Slough
19% of 16 decks +13% synergy
Tainted Peak
19% of 16 decks +9% synergy
Temple of Malice
19% of 16 decks +5% synergy
Temple of Triumph
19% of 16 decks +2% synergy
Brightclimb Pathway
15% of 20 decks +5% synergy
Shimmering Grotto
14% of 21 decks +14% synergy
Spire of Industry
14% of 21 decks +11% synergy
Orzhov Guildgate
14% of 21 decks +10% synergy
Fabled Passage
14% of 21 decks +5% synergy