Emeria Shepherd + Felidar Guardian + Phyrexian Altar

Emeria Shepherd
Felidar Guardian
Phyrexian Altar

Requires
Emeria Shepherd must be on the battlefield. Felidar Guardian must be in hand. Phyrexian Altar must be on the battlefield. You control Plains. Mana needed: 3
Steps
  1. Cast Felidar Guardian by paying 3.
  2. Felidar Guardian enters the battlefield, blinking Plains.
  3. Emeria Shepherd triggers.
  4. Holding priority, activate Phyrexian Altar by sacrificing Felidar Guardian, adding one mana of any color.
  5. Resolve the Emeria Shepherd trigger, returning Felidar Guardian from your graveyard to the battlefield.
  6. Repeat from step 2.
Results
Infinite colored mana. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Elesh Norn, Mother of Machines
0.58% of 7377 decks 43 decks
Preston, the Vanisher
1.02% of 3441 decks 35 decks
Giada, Font of Hope
0.02% of 16553 decks 4 decks
Shilgengar, Sire of Famine
0.11% of 3492 decks 4 decks
Emiel the Blessed
0.15% of 2041 decks 3 decks
Thalia and The Gitrog Monster
0.02% of 12491 decks 3 decks
Lin Sivvi, Defiant Hero
0.35% of 568 decks 2 decks
Nadaar, Selfless Paladin
0.38% of 520 decks 2 decks
Saffi Eriksdotter
0.38% of 530 decks 2 decks
Hofri Ghostforge
0.11% of 1781 decks 2 decks
Celestine, the Living Saint
0.13% of 1556 decks 2 decks
Daxos, Blessed by the Sun
0.35% of 578 decks 2 decks
Beza, the Bounding Spring
0.48% of 417 decks 2 decks
Elesh Norn, Grand Cenobite
0.07% of 1421 decks 1 decks
Teysa Karlov
0.01% of 15216 decks 1 decks
Mangara, the Diplomat
0.14% of 735 decks 1 decks
Ratadrabik of Urborg
0.02% of 5702 decks 1 decks
Teshar, Ancestor's Apostle
0.06% of 1552 decks 1 decks
New Cards
Enduring Innocence
75% of 4 decks +63% synergy
High Synergy Cards
Karmic Guide
86% of 128 decks +81% synergy
Restoration Angel
75% of 128 decks +72% synergy
Sun Titan
76% of 128 decks +65% synergy
Reveillark
66% of 128 decks +64% synergy
Ephemerate
70% of 128 decks +64% synergy
Spirited Companion
65% of 125 decks +61% synergy
Goblin Bombardment
67% of 6 decks +60% synergy
Charming Prince
58% of 128 decks +56% synergy
Emeria, the Sky Ruin
58% of 128 decks +55% synergy
Ashnod's Altar
62% of 128 decks +54% synergy
Top Cards
Swords to Plowshares
77% of 128 decks +15% synergy
Path to Exile
68% of 128 decks +22% synergy
Chaos Warp
67% of 6 decks +35% synergy
Eternal Witness
60% of 15 decks +39% synergy
Solemn Simulacrum
59% of 128 decks +45% synergy
Dawn's Truce
57% of 7 decks +40% synergy
Panharmonicon
56% of 128 decks +52% synergy
Loran of the Third Path
55% of 115 decks +48% synergy
Blood Artist
55% of 11 decks +43% synergy
Teleportation Circle
54% of 127 decks +50% synergy
Creatures
Imperial Recruiter
67% of 6 decks +61% synergy
Sakura-Tribe Elder
53% of 15 decks +35% synergy
Wall of Omens
53% of 128 decks +50% synergy
Fiend Hunter
52% of 128 decks +51% synergy
Inspiring Overseer
51% of 124 decks +48% synergy
Zealous Conscripts
50% of 6 decks +48% synergy
Kiki-Jiki, Mirror Breaker
50% of 6 decks +46% synergy
Dualcaster Mage
50% of 6 decks +45% synergy
Terror of the Peaks
50% of 6 decks +45% synergy
Esper Sentinel
49% of 127 decks +28% synergy
Angel of Indemnity
48% of 21 decks +46% synergy
Spike Feeder
47% of 15 decks +46% synergy
Saffi Eriksdotter
47% of 15 decks +45% synergy
Kodama of the East Tree
47% of 15 decks +43% synergy
Knight of the White Orchid
46% of 128 decks +40% synergy
Pitiless Plunderer
45% of 11 decks +38% synergy
Cruel Celebrant
45% of 11 decks +37% synergy
Elas il-Kor, Sadistic Pilgrim
45% of 11 decks +34% synergy
Flickerwisp
42% of 128 decks +40% synergy
Skyclave Apparition
39% of 128 decks +36% synergy
Priest of Ancient Lore
38% of 127 decks +37% synergy
Zulaport Cutthroat
36% of 11 decks +26% synergy
Witch Enchanter
35% of 17 decks +25% synergy
Eldrazi Displacer
35% of 128 decks +34% synergy
Preston, the Vanisher
35% of 107 decks +33% synergy
Recruiter of the Guard
34% of 128 decks +31% synergy
Suture Priest
34% of 128 decks +30% synergy
Renegade Rallier
33% of 15 decks +33% synergy
Abdel Adrian, Gorion's Ward
32% of 124 decks +31% synergy
Rumor Gatherer
32% of 124 decks +28% synergy
Elesh Norn, Grand Cenobite
32% of 128 decks +26% synergy
Soul Warden
30% of 128 decks +25% synergy
Delney, Streetwise Lookout
30% of 33 decks +26% synergy
Elesh Norn, Mother of Machines
29% of 89 decks +24% synergy
Ocelot Pride
29% of 14 decks +23% synergy
Distinguished Conjurer
28% of 107 decks +27% synergy
Kor Cartographer
27% of 128 decks +26% synergy
Thief of Blood
27% of 11 decks +27% synergy
Carrion Feeder
27% of 11 decks +22% synergy
Vito, Thorn of the Dusk Rose
27% of 11 decks +22% synergy
Viscera Seer
27% of 11 decks +18% synergy
Devoted Druid
27% of 15 decks +24% synergy
Scute Swarm
27% of 15 decks +17% synergy
Tireless Provisioner
27% of 15 decks +15% synergy
Avacyn's Pilgrim
27% of 15 decks +12% synergy
Moonshaker Cavalry
25% of 51 decks +21% synergy
Welcoming Vampire
25% of 126 decks +20% synergy
Mentor of the Meek
24% of 128 decks +18% synergy
Loyal Warhound
24% of 127 decks +21% synergy
Solitude
23% of 127 decks +21% synergy
Instants
Cyclonic Rift
60% of 5 decks +32% synergy
Worldly Tutor
53% of 15 decks +39% synergy
Eerie Interlude
52% of 128 decks +47% synergy
Parting Gust
50% of 8 decks +46% synergy
Generous Gift
48% of 128 decks +22% synergy
Teferi's Protection
47% of 128 decks +27% synergy
Entomb
45% of 11 decks +38% synergy
Cloudshift
44% of 128 decks +41% synergy
Enlightened Tutor
41% of 128 decks +23% synergy
Heroic Intervention
40% of 15 decks +10% synergy
Vampiric Tutor
36% of 11 decks +18% synergy
Lae'zel's Acrobatics
31% of 124 decks +29% synergy
Despark
27% of 11 decks +11% synergy
Anguished Unmaking
27% of 11 decks +3% synergy
Eladamri's Call
27% of 15 decks +15% synergy
Stroke of Midnight
25% of 51 decks +13% synergy
Flare of Fortitude
24% of 17 decks +17% synergy
Flicker of Fate
23% of 128 decks +21% synergy
Flawless Maneuver
23% of 128 decks +13% synergy
Reprieve
20% of 64 decks +16% synergy
Krosan Grip
20% of 15 decks +12% synergy
Semester's End
20% of 127 decks +18% synergy
Ghostway
17% of 128 decks +16% synergy
Akroma's Will
17% of 128 decks +8% synergy
Brought Back
16% of 128 decks +15% synergy
Galadriel's Dismissal
16% of 43 decks +13% synergy
Faith's Reward
16% of 128 decks +15% synergy
Rebuff the Wicked
13% of 128 decks +11% synergy
Cosmic Intervention
11% of 128 decks +10% synergy
Heliod's Intervention
11% of 128 decks +7% synergy
Mana Tithe
10% of 128 decks +8% synergy
Get Lost
10% of 40 decks +6% synergy
Sejiri Shelter
9% of 128 decks +6% synergy
Slip On the Ring
9% of 54 decks +8% synergy
Silence
9% of 128 decks +2% synergy
Return to Dust
8% of 128 decks +4% synergy
Clever Concealment
7% of 75 decks +2% synergy
Lapse of Certainty
6% of 128 decks +6% synergy
Disenchant
6% of 128 decks +2% synergy
Acrobatic Maneuver
5% of 128 decks +5% synergy
Settle the Wreckage
5% of 128 decks +4% synergy
Sorceries
Demonic Tutor
36% of 11 decks +14% synergy
Farewell
36% of 125 decks +23% synergy
Austere Command
30% of 128 decks +18% synergy
Wrath of God
28% of 128 decks +21% synergy
Agadeem's Awakening
27% of 11 decks +24% synergy
Buried Alive
27% of 11 decks +22% synergy
Three Visits
27% of 15 decks +2% synergy
Nature's Lore
27% of 15 decks -5% synergy
Farseek
27% of 15 decks -8% synergy
Cultivate
27% of 15 decks -20% synergy
Another Round
23% of 26 decks +22% synergy
Sevinne's Reclamation
22% of 128 decks +15% synergy
Kodama's Reach
20% of 15 decks -12% synergy
Storm of Souls
16% of 126 decks +15% synergy
Idyllic Tutor
15% of 128 decks +10% synergy
Ascend from Avernus
15% of 124 decks +13% synergy
Vanquish the Horde
14% of 126 decks +10% synergy
Winds of Abandon
14% of 128 decks +12% synergy
Emeria's Call
9% of 128 decks +8% synergy
Dusk // Dawn
7% of 128 decks +4% synergy
Ondu Inversion
6% of 128 decks +4% synergy
Approach of the Second Sun
6% of 128 decks +3% synergy
Gift of Estates
5% of 128 decks +4% synergy
Utility Artifacts
Altar of Dementia
45% of 128 decks +42% synergy
Archaeomancer's Map
43% of 127 decks +39% synergy
Pearl Medallion
42% of 128 decks +40% synergy
Conjurer's Closet
39% of 128 decks +37% synergy
Skullclamp
36% of 128 decks +24% synergy
Lightning Greaves
35% of 128 decks +10% synergy
Blasting Station
28% of 128 decks +28% synergy
Sword of Hearth and Home
27% of 127 decks +24% synergy
Altar of the Brood
24% of 128 decks +23% synergy
Swiftfoot Boots
23% of 128 decks -5% synergy
Oketra's Monument
22% of 128 decks +20% synergy
Birthing Pod
20% of 15 decks +17% synergy
Wayfarer's Bauble
14% of 128 decks +4% synergy
The One Ring
12% of 64 decks +4% synergy
Aetherflux Reservoir
12% of 128 decks +8% synergy
Golden Argosy
11% of 120 decks +10% synergy
Portal to Phyrexia
10% of 115 decks +9% synergy
Scroll Rack
9% of 128 decks +7% synergy
Idol of Oblivion
9% of 128 decks +4% synergy
Sword of the Animist
9% of 128 decks +4% synergy
Nim Deathmantle
8% of 128 decks +7% synergy
Commander's Plate
8% of 128 decks +5% synergy
Expedition Map
8% of 128 decks +5% synergy
Wedding Ring
7% of 126 decks +6% synergy
Mirror of Life Trapping
6% of 124 decks +6% synergy
Sensei's Divining Top
6% of 128 decks +1% synergy
Mithril Coat
6% of 53 decks -0% synergy
Moonsilver Key
6% of 126 decks +4% synergy
Alhammarret's Archive
5% of 128 decks +3% synergy
Enchantments
Mystic Remora
60% of 5 decks +42% synergy
Smothering Tithe
51% of 128 decks +26% synergy
Cathars' Crusade
31% of 128 decks +26% synergy
Land Tax
30% of 128 decks +24% synergy
Animate Dead
27% of 11 decks +18% synergy
Black Market Connections
27% of 11 decks +16% synergy
Felidar Retreat
27% of 128 decks +19% synergy
Touch the Spirit Realm
20% of 125 decks +18% synergy
Greater Good
20% of 15 decks +15% synergy
Doubling Season
20% of 15 decks +11% synergy
Sylvan Library
20% of 15 decks +8% synergy
Grasp of Fate
20% of 128 decks +16% synergy
Anointed Procession
20% of 128 decks +11% synergy
Angelic Renewal
17% of 128 decks +17% synergy
Oblivion Ring
17% of 128 decks +16% synergy
Trouble in Pairs
17% of 30 decks +10% synergy
Authority of the Consuls
15% of 128 decks +11% synergy
Blessed Sanctuary
14% of 128 decks +13% synergy
Gift of Immortality
14% of 128 decks +12% synergy
Cleric Class
13% of 127 decks +10% synergy
Ghostly Prison
12% of 128 decks +0% synergy
Far Traveler
10% of 124 decks +10% synergy
Court of Ardenvale
10% of 48 decks +8% synergy
Ajani's Welcome
10% of 128 decks +9% synergy
Tocasia's Welcome
10% of 115 decks +5% synergy
Journey to Nowhere
9% of 128 decks +9% synergy
Blind Obedience
9% of 128 decks +3% synergy
Smuggler's Share
8% of 124 decks +6% synergy
Flowering of the White Tree
7% of 54 decks +1% synergy
Solemnity
7% of 128 decks +6% synergy
Banishing Light
7% of 128 decks +5% synergy
Darksteel Mutation
7% of 128 decks +1% synergy
Chivalric Alliance
7% of 57 decks +5% synergy
Ossification
6% of 79 decks +5% synergy
Cast Out
6% of 128 decks +5% synergy
Fanatical Devotion
6% of 128 decks +5% synergy
Divine Visitation
6% of 128 decks +4% synergy
Court of Grace
6% of 128 decks +3% synergy
Parallax Wave
5% of 128 decks +5% synergy
Flickerform
5% of 128 decks +5% synergy
Luminarch Ascension
5% of 128 decks +4% synergy
Planeswalkers
The Eternal Wanderer
23% of 84 decks +19% synergy
Utility Lands
Nykthos, Shrine to Nyx
46% of 128 decks +40% synergy
War Room
41% of 128 decks +34% synergy
Reliquary Tower
36% of 128 decks +6% synergy
Boseiju, Who Endures
36% of 14 decks +16% synergy
Eiganjo, Seat of the Empire
29% of 125 decks +20% synergy
Monumental Henge
25% of 16 decks +21% synergy
Minas Tirith
25% of 56 decks +16% synergy
Ancient Tomb
23% of 128 decks +12% synergy
Gaea's Cradle
20% of 15 decks +14% synergy
Urza's Saga
20% of 127 decks +12% synergy
Castle Ardenvale
17% of 128 decks +12% synergy
Secluded Steppe
14% of 128 decks +11% synergy
Command Beacon
14% of 128 decks +9% synergy
High Market
13% of 128 decks +10% synergy
Hall of Heliod's Generosity
13% of 128 decks +7% synergy
Terrain Generator
12% of 128 decks +12% synergy
Mistveil Plains
12% of 128 decks +10% synergy
Strip Mine
12% of 128 decks +9% synergy
Homeward Path
9% of 128 decks +8% synergy
Scavenger Grounds
9% of 128 decks +6% synergy
Windbrisk Heights
9% of 128 decks +5% synergy
Temple of the False God
9% of 128 decks -0% synergy
Seraph Sanctuary
9% of 128 decks +8% synergy
Lotus Field
8% of 128 decks +6% synergy
Ghost Quarter
8% of 128 decks +5% synergy
Inventors' Fair
8% of 128 decks +4% synergy
Hidden Courtyard
8% of 40 decks +6% synergy
Kor Haven
7% of 128 decks +6% synergy
Field of the Dead
7% of 128 decks +4% synergy
Rogue's Passage
7% of 128 decks -12% synergy
Karoo
6% of 128 decks +6% synergy
Eiganjo Castle
6% of 128 decks +5% synergy
Bonders' Enclave
6% of 128 decks +4% synergy
The Fair Basilica
6% of 72 decks +5% synergy
Lotus Vale
5% of 128 decks +5% synergy
Drifting Meadow
5% of 128 decks +4% synergy
Thespian's Stage
5% of 128 decks +3% synergy
Buried Ruin
5% of 128 decks +0% synergy
Mana Artifacts
Sol Ring
94% of 128 decks +9% synergy
Arcane Signet
61% of 128 decks -11% synergy
Orzhov Signet
45% of 11 decks +18% synergy
Throne of Eldraine
27% of 48 decks +25% synergy
Mind Stone
27% of 128 decks +9% synergy
Thought Vessel
24% of 128 decks +7% synergy
Jeweled Lotus
18% of 128 decks +12% synergy
Mana Crypt
17% of 128 decks +8% synergy
Fellwar Stone
12% of 128 decks -9% synergy
Nyx Lotus
11% of 128 decks +9% synergy
Caged Sun
10% of 128 decks +8% synergy
Mana Vault
10% of 128 decks +4% synergy
Commander's Sphere
10% of 128 decks -5% synergy
Marble Diamond
9% of 128 decks +4% synergy
Liquimetal Torque
7% of 127 decks +3% synergy
Extraplanar Lens
6% of 128 decks +5% synergy
Coveted Jewel
6% of 128 decks +5% synergy
Chrome Mox
6% of 128 decks -0% synergy
Lotus Petal
6% of 128 decks -0% synergy
Gauntlet of Power
5% of 128 decks +5% synergy
Thran Dynamo
5% of 128 decks +1% synergy
Lands
Sacred Foundry
83% of 6 decks +47% synergy
Godless Shrine
82% of 11 decks +41% synergy
Lush Portico
75% of 4 decks +63% synergy
Llanowar Wastes
75% of 4 decks +49% synergy
Temple Garden
67% of 15 decks +26% synergy
Vault of Champions
64% of 11 decks +38% synergy
Isolated Chapel
64% of 11 decks +36% synergy
Caves of Koilos
64% of 11 decks +36% synergy
Sunpetal Grove
60% of 15 decks +37% synergy
Bountiful Promenade
60% of 15 decks +36% synergy
Hallowed Fountain
60% of 5 decks +19% synergy
Shattered Sanctum
55% of 11 decks +41% synergy
Shadowy Backstreet
50% of 6 decks +37% synergy
Canopy Vista
47% of 15 decks +11% synergy
Brightclimb Pathway
45% of 11 decks +35% synergy
Savannah
40% of 15 decks +27% synergy
Selesnya Sanctuary
40% of 15 decks +26% synergy
Brushland
40% of 15 decks +24% synergy
Orzhov Basilica
36% of 11 decks +20% synergy
Overgrown Farmland
36% of 14 decks +20% synergy
Horizon Canopy
33% of 15 decks +29% synergy
Razorverge Thicket
33% of 15 decks +29% synergy
Myriad Landscape
31% of 128 decks +12% synergy
Horizon of Progress
27% of 11 decks +25% synergy
Talon Gates of Madara
27% of 11 decks +24% synergy
Tainted Field
27% of 11 decks +14% synergy
Scrubland
27% of 11 decks +14% synergy
Fortified Village
27% of 15 decks +11% synergy
Marsh Flats
20% of 128 decks +9% synergy
Command Tower
20% of 128 decks -54% synergy
Wooded Bastion
20% of 15 decks +16% synergy
Windswept Heath
17% of 128 decks +7% synergy
Arid Mesa
16% of 128 decks +6% synergy
Flooded Strand
16% of 128 decks +5% synergy
Prismatic Vista
15% of 128 decks +9% synergy
Demolition Field
14% of 115 decks +11% synergy
Flagstones of Trokair
13% of 128 decks +12% synergy
Fabled Passage
12% of 128 decks +3% synergy
Cavern of Souls
8% of 128 decks +1% synergy
Gemstone Caverns
7% of 128 decks +2% synergy
Evolving Wilds
7% of 128 decks -14% synergy
Terramorphic Expanse
5% of 128 decks -10% synergy