Phantom Steed + Karmic Guide + Ashnod's Altar

Phantom Steed
Karmic Guide
Ashnod's Altar

Requires
Phantom Steed must be on the battlefield. Karmic Guide must be in exile (exiled by Phantom Steed). Ashnod's Altar must be on the battlefield.
Steps
  1. Activate Ashnod's Altar by sacrificing Phantom Steed, adding .
  2. Phantom Steed leaves the battlefield, returning Karmic Guide from exile to the battlefield.
  3. Karmic Guide enters the battlefield, returning Phantom Steed from your graveyard to the battlefield.
  4. Phantom Steed enters the battlefield, exiling Karmic Guide until Phantom Steed leaves the battlefield.
  5. Repeat.
Results
Infinite colorless mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Sefris of the Hidden Ways
1.16% of 8726 decks 101 decks
Lagrella, the Magpie
0.25% of 1590 decks 4 decks
Abdel Adrian, Gorion's Ward // Candlekeep Sage
0.07% of 2945 decks 2 decks
Hama Pashar, Ruin Seeker
0.20% of 1015 decks 2 decks
Marneus Calgar
0.01% of 10522 decks 1 decks
The Ever-Changing 'Dane
0.13% of 754 decks 1 decks
Bane, Lord of Darkness
0.05% of 2097 decks 1 decks
Aminatou, the Fateshifter
0.02% of 6332 decks 1 decks
Cayth, Famed Mechanist
0.08% of 1293 decks 1 decks
Yorion, Sky Nomad
0.05% of 2002 decks 1 decks
Ludevic, Necro-Alchemist // Ravos, Soultender
0.52% of 192 decks 1 decks
Kyodai, Soul of Kamigawa
0.05% of 1849 decks 1 decks
High Synergy Cards
Radiant Solar
89% of 117 decks +88% synergy
Hama Pashar, Ruin Seeker
76% of 117 decks +75% synergy
Sun Titan
85% of 117 decks +74% synergy
Midnight Pathlighter
74% of 117 decks +73% synergy
Victimize
83% of 107 decks +72% synergy
Ashen Rider
71% of 107 decks +70% synergy
Nadaar, Selfless Paladin
70% of 117 decks +69% synergy
High Market
72% of 117 decks +69% synergy
Mulldrifter
74% of 117 decks +68% synergy
Doomed Necromancer
65% of 107 decks +64% synergy
Top Cards
Swords to Plowshares
76% of 117 decks +13% synergy
Solemn Simulacrum
69% of 117 decks +55% synergy
Plaguecrafter
66% of 107 decks +61% synergy
Barrowin of Clan Undurr
64% of 107 decks +64% synergy
Baleful Strix
64% of 107 decks +51% synergy
Shriekmaw
64% of 107 decks +61% synergy
Obsessive Stitcher
63% of 107 decks +61% synergy
Triumphant Adventurer
59% of 107 decks +58% synergy
Dungeon Delver
59% of 114 decks +58% synergy
Reveillark
58% of 117 decks +56% synergy
Creatures
Yannik, Scavenging Sentinel
60% of 5 decks +60% synergy
Emiel the Blessed
60% of 5 decks +56% synergy
Coiling Oracle
60% of 5 decks +52% synergy
Viscera Seer
58% of 107 decks +49% synergy
White Plume Adventurer
55% of 114 decks +54% synergy
Likeness Looter
54% of 59 decks +50% synergy
Phantasmal Image
50% of 117 decks +46% synergy
Accursed Marauder
50% of 10 decks +41% synergy
Acererak the Archlich
50% of 107 decks +49% synergy
Syr Konrad, the Grim
48% of 107 decks +39% synergy
Rona, Herald of Invasion
45% of 69 decks +43% synergy
Merfolk Looter
44% of 117 decks +44% synergy
Rilsa Rael, Kingpin
42% of 104 decks +41% synergy
Yuan-Ti Malison
41% of 117 decks +41% synergy
Tomb of Horrors Adventurer
39% of 114 decks +38% synergy
Burnished Hart
36% of 117 decks +32% synergy
Priest of Fell Rites
35% of 107 decks +32% synergy
Sheoldred, Whispering One
34% of 107 decks +29% synergy
Ravenloft Adventurer
32% of 104 decks +31% synergy
Angel of the Ruins
28% of 117 decks +26% synergy
Hostage Taker
28% of 107 decks +23% synergy
Cataclysmic Gearhulk
27% of 117 decks +27% synergy
Seasoned Dungeoneer
27% of 114 decks +26% synergy
Reassembling Skeleton
27% of 107 decks +23% synergy
Hydroelectric Specimen
27% of 15 decks +20% synergy
Cloudblazer
26% of 117 decks +23% synergy
Vohar, Vodalian Desecrator
25% of 92 decks +23% synergy
Champion of Wits
24% of 117 decks +23% synergy
Oriq Loremage
22% of 107 decks +21% synergy
Witch Enchanter
22% of 23 decks +12% synergy
Bartolomé del Presidio
21% of 43 decks +14% synergy
Vile Entomber
19% of 107 decks +17% synergy
Sunblast Angel
18% of 117 decks +17% synergy
Psychic Frog
18% of 28 decks +16% synergy
Cathar Commando
17% of 115 decks +14% synergy
Soulherder
17% of 117 decks +12% synergy
Doom Whisperer
17% of 107 decks +15% synergy
Safana, Calimport Cutthroat
16% of 104 decks +16% synergy
Eccentric Apprentice
16% of 117 decks +16% synergy
Spark Double
16% of 117 decks +9% synergy
Archon of Cruelty
16% of 107 decks +14% synergy
Warren Soultrader
16% of 19 decks +8% synergy
Esper Sentinel
15% of 117 decks -5% synergy
Ledger Shredder
15% of 114 decks +11% synergy
Delney, Streetwise Lookout
15% of 34 decks +10% synergy
Master of Death
14% of 107 decks +13% synergy
Carrion Feeder
14% of 107 decks +9% synergy
Gray Merchant of Asphodel
14% of 107 decks +5% synergy
Sister Hospitaller
14% of 88 decks +13% synergy
Yuan-Ti Fang-Blade
13% of 107 decks +13% synergy
Instants
Despark
53% of 107 decks +37% synergy
Utter End
38% of 107 decks +31% synergy
Forbidden Alchemy
33% of 107 decks +32% synergy
Entomb
33% of 107 decks +25% synergy
Counterspell
32% of 117 decks -10% synergy
Bar the Gate
27% of 117 decks +27% synergy
Void Rend
26% of 104 decks +11% synergy
Path to Exile
26% of 117 decks -20% synergy
Grave Endeavor
25% of 107 decks +25% synergy
Faithful Mending
23% of 115 decks +20% synergy
Frantic Search
16% of 117 decks +4% synergy
Teferi's Protection
16% of 117 decks -4% synergy
Fell the Profane
16% of 19 decks +4% synergy
Revivify
15% of 117 decks +14% synergy
Village Rites
14% of 107 decks +4% synergy
Deadly Dispute
14% of 107 decks +3% synergy
Negate
14% of 117 decks -9% synergy
Generous Gift
14% of 117 decks -12% synergy
Ephemerate
13% of 117 decks +7% synergy
Anguished Unmaking
12% of 107 decks -12% synergy
Eerie Interlude
12% of 117 decks +8% synergy
Arcane Denial
12% of 117 decks -8% synergy
Vampiric Tutor
11% of 107 decks -7% synergy
Dovin's Veto
11% of 117 decks -8% synergy
Bitter Triumph
10% of 40 decks +5% synergy
Fact or Fiction
9% of 117 decks +3% synergy
An Offer You Can't Refuse
9% of 114 decks -12% synergy
Fierce Guardianship
8% of 117 decks -10% synergy
You Find the Villains' Lair
7% of 117 decks +6% synergy
Momentary Blink
7% of 117 decks +4% synergy
Swan Song
7% of 117 decks -10% synergy
Malakir Rebirth
7% of 107 decks -2% synergy
Get Lost
6% of 47 decks +3% synergy
Corrupted Conviction
6% of 65 decks +0% synergy
Vanish into Memory
6% of 117 decks +6% synergy
Cyclonic Rift
6% of 117 decks -22% synergy
Otherworldly Gaze
5% of 115 decks +4% synergy
Brainstorm
5% of 117 decks -16% synergy
Sorceries
Cultivate
60% of 5 decks +14% synergy
Unburial Rites
45% of 107 decks +42% synergy
Necromantic Selection
36% of 107 decks +34% synergy
Reanimate
36% of 107 decks +20% synergy
Buried Alive
35% of 107 decks +29% synergy
Fates' Reversal
22% of 107 decks +22% synergy
Damn
20% of 107 decks +3% synergy
Lively Dirge
19% of 26 decks +17% synergy
Persist
17% of 107 decks +14% synergy
Living Death
17% of 107 decks +11% synergy
Diabolic Intent
15% of 107 decks +6% synergy
Demonic Tutor
15% of 107 decks -7% synergy
Austere Command
13% of 117 decks +0% synergy
Unmarked Grave
12% of 107 decks +9% synergy
Supreme Verdict
11% of 117 decks -3% synergy
Wrath of God
9% of 117 decks +3% synergy
Extract Brain
9% of 107 decks +8% synergy
Incarnation Technique
9% of 107 decks +8% synergy
Sevinne's Reclamation
9% of 117 decks +1% synergy
Arcane Endeavor
8% of 117 decks +7% synergy
Windfall
8% of 117 decks -5% synergy
Dread Return
7% of 107 decks +2% synergy
Toxic Deluge
7% of 107 decks -10% synergy
Farewell
7% of 114 decks -6% synergy
Vanquish the Horde
6% of 115 decks +2% synergy
From the Catacombs
6% of 104 decks +5% synergy
Final Parting
6% of 107 decks +4% synergy
Unearth
6% of 107 decks +2% synergy
Agadeem's Awakening
6% of 107 decks +2% synergy
Diabolic Tutor
6% of 107 decks -1% synergy
Utility Artifacts
Lightning Greaves
54% of 117 decks +28% synergy
Altar of Dementia
37% of 117 decks +34% synergy
Wayfarer's Bauble
33% of 117 decks +23% synergy
Collector's Vault
30% of 54 decks +28% synergy
Immovable Rod
26% of 117 decks +25% synergy
Panharmonicon
26% of 117 decks +22% synergy
Phyrexian Altar
23% of 117 decks +19% synergy
Matzalantli, the Great Door
17% of 47 decks +16% synergy
Delver's Torch
12% of 117 decks +12% synergy
Rod of Absorption
9% of 117 decks +8% synergy
Shorikai, Genesis Engine
8% of 114 decks +5% synergy
Strionic Resonator
8% of 117 decks +4% synergy
Skullclamp
8% of 117 decks -5% synergy
Conjurer's Closet
7% of 117 decks +5% synergy
Swiftfoot Boots
7% of 117 decks -21% synergy
Wand of Orcus
6% of 107 decks +5% synergy
Key to the City
5% of 117 decks +4% synergy
Enchantments
Guardian Project
60% of 5 decks +51% synergy
Tortured Existence
58% of 107 decks +56% synergy
Thorough Investigation
37% of 117 decks +36% synergy
Propaganda
32% of 117 decks +20% synergy
Animate Dead
29% of 107 decks +20% synergy
Ripples of Undeath
20% of 15 decks +13% synergy
Teleportation Circle
20% of 117 decks +16% synergy
Fly
18% of 117 decks +18% synergy
Rooftop Storm
18% of 117 decks +16% synergy
Smothering Tithe
18% of 117 decks -7% synergy
Rhystic Study
14% of 117 decks -14% synergy
Court of Ardenvale
9% of 54 decks +7% synergy
Minimus Containment
9% of 117 decks +8% synergy
Phyrexian Arena
7% of 107 decks -7% synergy
Mystic Remora
7% of 117 decks -11% synergy
Virtue of Persistence
7% of 59 decks +3% synergy
Necromancy
7% of 107 decks +3% synergy
Kaya's Ghostform
7% of 107 decks +2% synergy
Virtue of Knowledge
6% of 65 decks +3% synergy
Scion of Halaster
6% of 104 decks +5% synergy
Precipitous Drop
6% of 107 decks +5% synergy
Ghostly Prison
5% of 117 decks -6% synergy
Planeswalkers
Teferi, Master of Time
16% of 117 decks +14% synergy
Dakkon, Shadow Slayer
16% of 107 decks +14% synergy
Utility Lands
Geier Reach Sanitarium
56% of 117 decks +53% synergy
Dungeon Descent
31% of 117 decks +31% synergy
Bojuka Bog
20% of 107 decks -11% synergy
Takenuma, Abandoned Mire
18% of 104 decks +8% synergy
Reliquary Tower
18% of 117 decks -11% synergy
Phyrexian Tower
18% of 107 decks +9% synergy
Spymaster's Vault
16% of 19 decks +12% synergy
Riptide Laboratory
14% of 117 decks +12% synergy
Otawara, Soaring City
12% of 114 decks -5% synergy
Urborg, Tomb of Yawgmoth
9% of 117 decks -0% synergy
Tomb Fortress
8% of 88 decks +7% synergy
Restless Reef
7% of 41 decks +3% synergy
Eiganjo, Seat of the Empire
7% of 114 decks -2% synergy
Tocasia's Dig Site
6% of 90 decks +5% synergy
Restless Fortress
5% of 59 decks +2% synergy
Mana Artifacts
Arcane Signet
94% of 117 decks +22% synergy
Sol Ring
94% of 117 decks +10% synergy
Fellwar Stone
53% of 117 decks +32% synergy
Dungeon Map
42% of 117 decks +42% synergy
Commander's Sphere
38% of 117 decks +23% synergy
Azorius Signet
25% of 117 decks -1% synergy
Sarevok's Tome
24% of 114 decks +23% synergy
Orzhov Signet
23% of 107 decks -4% synergy
Dimir Signet
21% of 107 decks -9% synergy
Talisman of Dominance
20% of 107 decks -12% synergy
Talisman of Hierarchy
18% of 107 decks -7% synergy
Talisman of Progress
16% of 117 decks -6% synergy
Chromatic Lantern
15% of 117 decks +5% synergy
Component Pouch
9% of 117 decks +9% synergy
Thought Vessel
9% of 117 decks -8% synergy
Mind Stone
6% of 117 decks -12% synergy
Lands
Command Tower
98% of 117 decks +24% synergy
Arcane Sanctum
84% of 107 decks +56% synergy
Exotic Orchard
76% of 117 decks +41% synergy
Sunken Hollow
71% of 107 decks +36% synergy
Prairie Stream
71% of 117 decks +37% synergy
Spara's Headquarters
60% of 5 decks +28% synergy
Choked Estuary
56% of 107 decks +39% synergy
Port Town
55% of 117 decks +39% synergy
Nimbus Maze
52% of 117 decks +47% synergy
Darkwater Catacombs
51% of 107 decks +37% synergy
Azorius Chancery
50% of 117 decks +35% synergy
Dimir Aqueduct
50% of 107 decks +32% synergy
Evolving Wilds
49% of 117 decks +28% synergy
Orzhov Basilica
46% of 107 decks +30% synergy
Shadowy Backstreet
45% of 38 decks +31% synergy
Terramorphic Expanse
44% of 117 decks +29% synergy
Meticulous Archive
41% of 41 decks +31% synergy
Undercity Sewers
39% of 38 decks +25% synergy
Raffine's Tower
39% of 104 decks +11% synergy
Godless Shrine
37% of 107 decks -3% synergy
Contaminated Landscape
36% of 14 decks +22% synergy
Watery Grave
36% of 107 decks -5% synergy
Hallowed Fountain
32% of 117 decks -8% synergy
Sea of Clouds
27% of 117 decks +1% synergy
Morphic Pool
24% of 107 decks -2% synergy
Esper Panorama
23% of 117 decks +23% synergy
Caves of Koilos
21% of 107 decks -7% synergy
Polluted Delta
21% of 117 decks +10% synergy
Thriving Moor
21% of 107 decks +18% synergy
Flooded Strand
21% of 117 decks +10% synergy
Vault of Champions
20% of 107 decks -6% synergy
Thriving Isle
19% of 117 decks +16% synergy
Shipwreck Marsh
18% of 105 decks -1% synergy
Marsh Flats
18% of 117 decks +7% synergy
Isolated Chapel
18% of 107 decks -9% synergy
Deserted Beach
17% of 115 decks +0% synergy
Shattered Sanctum
16% of 104 decks +3% synergy
Thriving Heath
16% of 117 decks +13% synergy
Drowned Catacomb
16% of 107 decks -9% synergy
Glacial Fortress
15% of 117 decks -10% synergy
Obscura Storefront
15% of 114 decks +13% synergy
Underground River
14% of 107 decks -5% synergy
Path of Ancestry
14% of 117 decks -7% synergy
Adarkar Wastes
12% of 117 decks -5% synergy
Hengegate Pathway
10% of 117 decks +3% synergy
Temple of Silence
9% of 107 decks -9% synergy
Reflecting Pool
9% of 117 decks +3% synergy
Skycloud Expanse
9% of 117 decks -4% synergy
Temple of Enlightenment
9% of 117 decks -8% synergy
Tundra
8% of 117 decks -6% synergy