Emeria Shepherd + Felidar Guardian + Ashnod's Altar
Emeria Shepherd
Felidar Guardian
Ashnod's Altar
Requires
Emeria Shepherd must be on the battlefield.
Felidar Guardian must be in hand.
Ashnod's Altar must be on the battlefield.
You control Plains.
Mana needed: 
Steps
- Cast Felidar Guardian by paying .
- Felidar Guardian enters the battlefield, blinking Plains.
- Emeria Shepherd triggers.
- Holding priority, activate Ashnod's Altar by sacrificing Felidar Guardian, adding .
- Resolve the Emeria Shepherd trigger, returning Felidar Guardian from your graveyard to the battlefield.
- Repeat from step 2.
Results
Infinite colorless mana. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.
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New Cards
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+42% synergy
High Synergy Cards
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Spirited Companion
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Top Cards
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Cleansing Nova
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Idol of Oblivion
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Ichor Wellspring
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Enchantments
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44% of 9 decks
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Smothering Tithe
41% of 253 decks
+29% synergy
Greater Good
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Cathars' Crusade
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Felidar Retreat
31% of 252 decks
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Animate Dead
29% of 14 decks
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Phyrexian Arena
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Land Tax
22% of 253 decks
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Impact Tremors
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Sylvan Library
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Blessed Sanctuary
18% of 252 decks
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Grasp of Fate
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Guardian Project
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Anointed Procession
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Touch the Spirit Realm
17% of 248 decks
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Far Traveler
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Tocasia's Welcome
17% of 220 decks
+15% synergy
Trouble in Pairs
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Ossification
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Oblivion Ring
15% of 253 decks
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Gift of Immortality
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Pattern of Rebirth
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Survival of the Fittest
14% of 28 decks
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Mirari's Wake
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Court of Ardenvale
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Angelic Renewal
13% of 253 decks
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Ghostly Prison
13% of 253 decks
+8% synergy
Fanatical Devotion
11% of 253 decks
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Fecundity
11% of 28 decks
+10% synergy
Evolutionary Leap
11% of 28 decks
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Defense of the Heart
11% of 28 decks
+10% synergy
Concordant Crossroads
11% of 28 decks
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Aura Shards
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Utopia Sprawl
11% of 28 decks
+7% synergy
Wild Growth
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Authority of the Consuls
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Seal from Existence
9% of 110 decks
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Banishing Light
9% of 253 decks
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Ajani's Welcome
9% of 253 decks
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Blind Obedience
9% of 253 decks
+6% synergy
Smuggler's Share
8% of 244 decks
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Retreat to Emeria
8% of 253 decks
+8% synergy
Darksteel Mutation
8% of 253 decks
+5% synergy
Journey to Nowhere
6% of 253 decks
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Assemble the Players
6% of 50 decks
+5% synergy
Cleric Class
6% of 249 decks
+4% synergy
Martyr's Cause
5% of 253 decks
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Planeswalkers
The Eternal Wanderer
38% of 170 decks
+36% synergy
Utility Lands
Emeria, the Sky Ruin
49% of 253 decks
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War Room
39% of 251 decks
+33% synergy
Nykthos, Shrine to Nyx
37% of 253 decks
+31% synergy
Reliquary Tower
36% of 253 decks
+7% synergy
Boseiju, Who Endures
28% of 25 decks
+19% synergy
Minas Tirith
26% of 95 decks
+22% synergy
Eiganjo, Seat of the Empire
25% of 248 decks
+21% synergy
Gavony Township
21% of 28 decks
+19% synergy
Bojuka Bog
21% of 14 decks
+6% synergy
Monumental Henge
19% of 16 decks
+17% synergy
Windbrisk Heights
18% of 253 decks
+16% synergy
Castle Ardenvale
17% of 252 decks
+15% synergy
High Market
16% of 253 decks
+13% synergy
Ancient Tomb
15% of 253 decks
+4% synergy
Dryad Arbor
14% of 28 decks
+12% synergy
Hall of Heliod's Generosity
13% of 252 decks
+10% synergy
Command Beacon
12% of 253 decks
+7% synergy
Temple of the False God
12% of 253 decks
+3% synergy
Urza's Saga
11% of 249 decks
+4% synergy
Stirring Wildwood
11% of 28 decks
+10% synergy
Gaea's Cradle
11% of 28 decks
+8% synergy
Terrain Generator
11% of 253 decks
+10% synergy
Scavenger Grounds
11% of 253 decks
+7% synergy
Mistveil Plains
10% of 253 decks
+10% synergy
Buried Ruin
10% of 253 decks
+5% synergy
Ghost Quarter
10% of 253 decks
+7% synergy
Strip Mine
10% of 253 decks
+7% synergy
Secluded Steppe
9% of 253 decks
+8% synergy
The Fair Basilica
9% of 144 decks
+9% synergy
Rogue's Passage
8% of 253 decks
-12% synergy
Lotus Field
7% of 252 decks
+5% synergy
Emergence Zone
6% of 252 decks
+4% synergy
Field of Ruin
6% of 253 decks
+4% synergy
Geier Reach Sanitarium
6% of 253 decks
+2% synergy
Inventors' Fair
6% of 253 decks
+2% synergy
Idyllic Grange
6% of 252 decks
+5% synergy
Field of the Dead
6% of 252 decks
+2% synergy
Karoo
6% of 253 decks
+5% synergy
Homeward Path
6% of 253 decks
+4% synergy
Seraph Sanctuary
5% of 253 decks
+4% synergy
Mana Artifacts
Sol Ring
94% of 253 decks
+9% synergy
Arcane Signet
63% of 252 decks
-9% synergy
Boros Signet
50% of 14 decks
+45% synergy
Orzhov Signet
50% of 14 decks
+44% synergy
Talisman of Conviction
36% of 14 decks
+31% synergy
Mind Stone
31% of 253 decks
+13% synergy
Thought Vessel
28% of 253 decks
+12% synergy
Selesnya Signet
25% of 28 decks
+23% synergy
Cursed Mirror
21% of 14 decks
+19% synergy
Talisman of Unity
18% of 28 decks
+16% synergy
Fellwar Stone
16% of 253 decks
-5% synergy
Throne of Eldraine
12% of 74 decks
+10% synergy
Nyx Lotus
12% of 252 decks
+10% synergy
Mana Crypt
11% of 253 decks
+0% synergy
Marble Diamond
11% of 253 decks
+9% synergy
Caged Sun
11% of 253 decks
+8% synergy
Jeweled Lotus
10% of 251 decks
+3% synergy
Commander's Sphere
10% of 253 decks
-6% synergy
Liquimetal Torque
7% of 249 decks
+3% synergy
Mana Vault
7% of 253 decks
+0% synergy
Extraplanar Lens
5% of 253 decks
+4% synergy
Lands
Llanowar Wastes
80% of 5 decks
+75% synergy
Godless Shrine
71% of 14 decks
+62% synergy
Lush Portico
67% of 6 decks
+64% synergy
Overgrown Tomb
60% of 5 decks
+51% synergy
Arcane Sanctum
60% of 5 decks
+57% synergy
Caves of Koilos
57% of 14 decks
+51% synergy
Canopy Vista
57% of 28 decks
+49% synergy
Sacred Foundry
57% of 14 decks
+49% synergy
Temple Garden
57% of 28 decks
+48% synergy
Sunpetal Grove
54% of 28 decks
+49% synergy
Clifftop Retreat
50% of 14 decks
+44% synergy
Hallowed Fountain
44% of 9 decks
+35% synergy
Battlefield Forge
43% of 14 decks
+37% synergy
Isolated Chapel
43% of 14 decks
+37% synergy
Brushland
39% of 28 decks
+36% synergy
Bountiful Promenade
39% of 28 decks
+34% synergy
Myriad Landscape
36% of 253 decks
+16% synergy
Prairie Stream
33% of 9 decks
+26% synergy
Overgrown Farmland
32% of 25 decks
+28% synergy
Shattered Sanctum
31% of 13 decks
+28% synergy
Rugged Prairie
29% of 14 decks
+26% synergy
Selesnya Sanctuary
29% of 28 decks
+25% synergy
Orzhov Basilica
29% of 14 decks
+25% synergy
Temple of Triumph
29% of 14 decks
+25% synergy
Spectator Seating
29% of 14 decks
+23% synergy
Vault of Champions
29% of 14 decks
+23% synergy
Radiant Grove
25% of 24 decks
+24% synergy
Fortified Village
25% of 28 decks
+22% synergy
Alpine Meadow
21% of 14 decks
+21% synergy
Horizon Canopy
21% of 28 decks
+20% synergy
Concealed Courtyard
21% of 14 decks
+20% synergy
Rustvale Bridge
21% of 14 decks
+20% synergy
Scattered Groves
21% of 28 decks
+20% synergy
Furycalm Snarl
21% of 14 decks
+19% synergy
Temple of Plenty
21% of 28 decks
+19% synergy
Boros Garrison
21% of 14 decks
+18% synergy
Sundown Pass
21% of 14 decks
+18% synergy
Command Tower
21% of 253 decks
-53% synergy
Arctic Treeline
19% of 26 decks
+18% synergy
Wooded Bastion
18% of 28 decks
+17% synergy
Razorverge Thicket
18% of 28 decks
+17% synergy
Savannah
18% of 28 decks
+15% synergy
Demolition Field
16% of 220 decks
+13% synergy
Fabled Passage
12% of 252 decks
+3% synergy
Urza's Cave
12% of 26 decks
+7% synergy
Marsh Flats
11% of 253 decks
+0% synergy
Graypelt Refuge
11% of 28 decks
+10% synergy
Sungrass Prairie
11% of 28 decks
+8% synergy
Flagstones of Trokair
11% of 253 decks
+10% synergy
Windswept Heath
11% of 253 decks
+0% synergy