Saffi Eriksdotter + Crypt Champion
Saffi Eriksdotter
Crypt Champion
Requires
Saffi Eriksdotter must be on the battlefield.
Crypt Champion must be in hand.
Mana needed: 
in non-red mana
in non-red mana
Steps
- Cast Crypt Champion by paying , ensuring not to spend to cast it.
- Crypt Champion enters the battlefield, triggering its first and second abilities.
- Holding priority, activate Saffi by sacrificing it, targeting Crypt Champion.
- Resolve the first Crypt Champion trigger, returning Saffi from your graveyard to the battlefield.
- Resolve the second Crypt Champion trigger, sacrificing it.
- Saffi triggers, returning Crypt Champion from your graveyard to the battlefield.
- Repeat from step 2.
Results
Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.
Kenrith, the Returned King
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Blasphemous Act
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Altar of Dementia
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Sorcerer's Wand
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Consulate Turret
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Aethersphere Harvester
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Fabrication Module
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Decoction Module
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Aetherworks Marvel
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Animation Module
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Inspiring Statuary
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Conjurer's Closet
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+10% synergy
Thousand-Year Elixir
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Isochron Scepter
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Birthing Pod
12% of 8 decks
+10% synergy
Strionic Resonator
12% of 8 decks
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Panharmonicon
12% of 8 decks
+8% synergy
Sensei's Divining Top
12% of 8 decks
+7% synergy
Bolas's Citadel
12% of 8 decks
+3% synergy
Enchantments
Leyline of the Guildpact
50% of 2 decks
+26% synergy
Mystic Remora
33% of 6 decks
+15% synergy
Mana Echoes
25% of 8 decks
+24% synergy
Mayael's Aria
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+22% synergy
Sylvan Library
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Sinking Feeling
17% of 6 decks
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Era of Innovation
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Intruder Alarm
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Omniscience
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Training Grounds
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Rhystic Study
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Hidetsugu Consumes All
14% of 7 decks
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Descent into Avernus
14% of 7 decks
+11% synergy
Bastion of Remembrance
14% of 7 decks
+8% synergy
Pledge of Loyalty
12% of 8 decks
+12% synergy
Gonti's Machinations
12% of 8 decks
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Consulate Surveillance
12% of 8 decks
+12% synergy
Life and Limb
12% of 8 decks
+12% synergy
Angelic Renewal
12% of 8 decks
+12% synergy
Spectra Ward
12% of 8 decks
+12% synergy
Splinter Twin
12% of 8 decks
+12% synergy
Sunbird's Invocation
12% of 8 decks
+11% synergy
The Eldest Reborn
12% of 8 decks
+10% synergy
Zendikar Resurgent
12% of 8 decks
+10% synergy
Journey to Eternity
12% of 8 decks
+9% synergy
Aggravated Assault
12% of 8 decks
+9% synergy
Dragon Tempest
12% of 8 decks
+9% synergy
Burgeoning
12% of 8 decks
+9% synergy
Bear Umbra
12% of 8 decks
+8% synergy
Greater Good
12% of 8 decks
+8% synergy
Exquisite Blood
12% of 8 decks
+7% synergy
Sanguine Bond
12% of 8 decks
+7% synergy
Goblin Bombardment
12% of 8 decks
+6% synergy
Utopia Sprawl
12% of 8 decks
+5% synergy
Doubling Season
12% of 8 decks
+4% synergy
Animate Dead
12% of 8 decks
+3% synergy
Smothering Tithe
12% of 8 decks
-13% synergy
Planeswalkers
Sarkhan, Fireblood
12% of 8 decks
+12% synergy
Wrenn and Six
12% of 8 decks
+11% synergy
Sorin, Vengeful Bloodlord
12% of 8 decks
+10% synergy
Utility Lands
Shifting Woodland
67% of 3 decks
+57% synergy
Yavimaya, Cradle of Growth
29% of 7 decks
+19% synergy
Boseiju, Who Endures
29% of 7 decks
+9% synergy
Junktown
25% of 4 decks
+24% synergy
Boseiju, Who Shelters All
25% of 8 decks
+24% synergy
Dryad Arbor
25% of 8 decks
+21% synergy
Urborg, Tomb of Yawgmoth
25% of 8 decks
+15% synergy
Otawara, Soaring City
20% of 5 decks
+3% synergy
Tolaria West
17% of 6 decks
+15% synergy
Basilisk Gate
14% of 7 decks
+14% synergy
Baldur's Gate
14% of 7 decks
+13% synergy
Urza's Saga
14% of 7 decks
+7% synergy
Blasted Landscape
12% of 8 decks
+12% synergy
Maze's End
12% of 8 decks
+12% synergy
Molten Slagheap
12% of 8 decks
+11% synergy
Cascading Cataracts
12% of 8 decks
+11% synergy
Vesuva
12% of 8 decks
+11% synergy
Secluded Steppe
12% of 8 decks
+9% synergy
Scavenger Grounds
12% of 8 decks
+9% synergy
Kessig Wolf Run
12% of 8 decks
-3% synergy
Mana Artifacts
Patchwork Banner
50% of 2 decks
+39% synergy
Sol Ring
50% of 8 decks
-34% synergy
Chromatic Lantern
25% of 8 decks
+15% synergy
Commander's Sphere
25% of 8 decks
+10% synergy
Fellwar Stone
25% of 8 decks
+4% synergy
Arcane Signet
25% of 8 decks
-47% synergy
Cursed Mirror
14% of 7 decks
+9% synergy
Cultivator's Caravan
12% of 8 decks
+12% synergy
Darksteel Ingot
12% of 8 decks
+11% synergy
Dragon's Hoard
12% of 8 decks
+11% synergy
Lion's Eye Diamond
12% of 8 decks
+11% synergy
Basalt Monolith
12% of 8 decks
+10% synergy
Mox Amber
12% of 8 decks
+8% synergy
Mox Diamond
12% of 8 decks
+8% synergy
Mana Vault
12% of 8 decks
+6% synergy
Lotus Petal
12% of 8 decks
+6% synergy
Mana Crypt
12% of 8 decks
+4% synergy
Thought Vessel
12% of 8 decks
-4% synergy
Lands
Command Tower
75% of 8 decks
+1% synergy
Watery Grave
67% of 6 decks
+26% synergy
Windswept Heath
62% of 8 decks
+52% synergy
Godless Shrine
62% of 8 decks
+22% synergy
Stomping Ground
62% of 8 decks
+21% synergy
Overgrown Tomb
62% of 8 decks
+20% synergy
Lush Oasis
50% of 2 decks
+47% synergy
Meticulous Archive
50% of 2 decks
+40% synergy
Marsh Flats
50% of 8 decks
+39% synergy
Verdant Catacombs
50% of 8 decks
+39% synergy
Lush Portico
50% of 4 decks
+38% synergy
Steam Vents
50% of 6 decks
+11% synergy
Breeding Pool
50% of 6 decks
+9% synergy
Ziatora's Proving Ground
43% of 7 decks
+11% synergy
Jetmir's Garden
43% of 7 decks
+10% synergy
Mana Confluence
38% of 8 decks
+30% synergy
City of Brass
38% of 8 decks
+29% synergy
Bloodstained Mire
38% of 8 decks
+27% synergy
Flooded Strand
38% of 8 decks
+27% synergy
Polluted Delta
38% of 8 decks
+26% synergy
Misty Rainforest
38% of 8 decks
+26% synergy
Sacred Foundry
38% of 8 decks
+1% synergy
Hallowed Fountain
33% of 6 decks
-8% synergy
Public Thoroughfare
25% of 4 decks
+25% synergy
Festering Gulch
25% of 4 decks
+22% synergy
Forbidden Orchard
25% of 8 decks
+22% synergy
Jagged Barrens
25% of 4 decks
+21% synergy
Bristling Backwoods
25% of 4 decks
+20% synergy
Gemstone Caverns
25% of 8 decks
+20% synergy
Abraded Bluffs
25% of 4 decks
+20% synergy
Fabled Passage
25% of 8 decks
+16% synergy
Elegant Parlor
25% of 4 decks
+16% synergy
Arid Mesa
25% of 8 decks
+14% synergy
Scalding Tarn
25% of 8 decks
+14% synergy
Raucous Theater
25% of 4 decks
+12% synergy
Shadowy Backstreet
25% of 4 decks
+12% synergy
Exotic Orchard
25% of 8 decks
-11% synergy
Blood Crypt
25% of 8 decks
-14% synergy
Temple Garden
25% of 8 decks
-16% synergy
Sea Gate
20% of 5 decks
+18% synergy
Xander's Lounge
20% of 5 decks
-8% synergy
Raffine's Tower
20% of 5 decks
-8% synergy
The World Tree
20% of 5 decks
-14% synergy
Azorius Guildgate
17% of 6 decks
+12% synergy
Dimir Guildgate
17% of 6 decks
+12% synergy
Izzet Guildgate
17% of 6 decks
+12% synergy
Simic Guildgate
17% of 6 decks
+10% synergy
Tundra
17% of 6 decks
+3% synergy
Tropical Island
17% of 6 decks
+3% synergy
Underground Sea
17% of 6 decks
+2% synergy