Basri's Lieutenant + Bloodspore Thrinax + Phyrexian Altar

Basri's Lieutenant
Bloodspore Thrinax
Phyrexian Altar

Requires
Basri's Lieutenant must be on the battlefield. Bloodspore Thrinax must be on the battlefield. Phyrexian Altar must be on the battlefield. Bloodspore Thrinax has at least one +1/+1 counter on it. You control at least one additional creature that has a +1/+1 counter on it.
Steps
  1. Activate Phyrexian Altar by sacrificing another creature with a +1/+1 counter on it, adding one mana of any color.
  2. When the creature dies, Basri's Lieutenant's second ability triggers, creating a 2/2 Knight creature token that enters the battlefield with at least one +1/+1 counter due to Bloodspore Thrinax.
  3. Repeat.
Results
Infinite colored mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Nikara, Lair Scavenger // Yannik, Scavenging Sentinel
0.36% of 837 decks 3 decks
Ishai, Ojutai Dragonspeaker // Reyhan, Last of the Abzan
0.20% of 1501 decks 3 decks
Ghave, Guru of Spores
0.14% of 6333 decks 9 decks
High Synergy Cards
Master Biomancer
100% of 5 decks +99% synergy
Kami of Whispered Hopes
83% of 12 decks +80% synergy
Fathom Mage
80% of 5 decks +79% synergy
Kutzil, Malamet Exemplar
80% of 5 decks +75% synergy
Good-Fortune Unicorn
68% of 25 decks +67% synergy
Cathars' Crusade
68% of 25 decks +65% synergy
Ashnod's Altar
68% of 25 decks +60% synergy
Rosie Cotton of South Lane
56% of 9 decks +54% synergy
Elas il-Kor, Sadistic Pilgrim
56% of 16 decks +53% synergy
Ozolith, the Shattered Spire
55% of 11 decks +51% synergy
Top Cards
Swords to Plowshares
60% of 25 decks +31% synergy
Conclave Mentor
48% of 25 decks +47% synergy
Skullclamp
48% of 25 decks +35% synergy
Viscera Seer
48% of 23 decks +43% synergy
Gyre Sage
44% of 25 decks +42% synergy
Branching Evolution
44% of 25 decks +42% synergy
Hardened Scales
44% of 25 decks +40% synergy
Path to Exile
44% of 25 decks +24% synergy
Mazirek, Kraul Death Priest
43% of 23 decks +43% synergy
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43% of 23 decks +43% synergy
Creatures
Corpsejack Menace
43% of 23 decks +42% synergy
Zulaport Cutthroat
43% of 23 decks +38% synergy
Scurry Oak
42% of 24 decks +41% synergy
Cryptic Trilobite
40% of 25 decks +40% synergy
Crystalline Crawler
40% of 25 decks +40% synergy
Fertilid
40% of 25 decks +39% synergy
Rishkar, Peema Renegade
40% of 25 decks +38% synergy
Sakura-Tribe Elder
40% of 25 decks +31% synergy
Birds of Paradise
40% of 25 decks +28% synergy
Carrion Feeder
39% of 23 decks +36% synergy
Felisa, Fang of Silverquill
36% of 22 decks +36% synergy
Chatterfang, Squirrel General
36% of 22 decks +35% synergy
Kitchen Finks
36% of 25 decks +36% synergy
Mycoloth
36% of 25 decks +35% synergy
Champion of Lambholt
36% of 25 decks +33% synergy
Herd Baloth
33% of 24 decks +33% synergy
Juniper Order Ranger
32% of 25 decks +32% synergy
Renata, Called to the Hunt
32% of 25 decks +31% synergy
Shaile, Dean of Radiance
32% of 22 decks +32% synergy
Corpse Knight
30% of 23 decks +29% synergy
Yawgmoth, Thran Physician
30% of 23 decks +29% synergy
Pitiless Plunderer
30% of 23 decks +27% synergy
Incubation Druid
28% of 25 decks +26% synergy
Ghave, Guru of Spores
26% of 23 decks +26% synergy
Elenda, the Dusk Rose
26% of 23 decks +25% synergy
Cruel Celebrant
26% of 23 decks +24% synergy
Elves of Deep Shadow
26% of 23 decks +24% synergy
Blood Artist
26% of 23 decks +20% synergy
Hamza, Guardian of Arashin
25% of 24 decks +24% synergy
Esper Sentinel
25% of 24 decks +15% synergy
Utopia Mycon
24% of 25 decks +24% synergy
Triskelion
24% of 25 decks +24% synergy
Mikaeus, the Lunarch
24% of 25 decks +23% synergy
Walking Ballista
24% of 25 decks +21% synergy
Forgotten Ancient
24% of 25 decks +21% synergy
Avacyn's Pilgrim
24% of 25 decks +21% synergy
Puppeteer Clique
22% of 23 decks +21% synergy
Lae'zel, Vlaakith's Champion
21% of 19 decks +19% synergy
Kodama of the West Tree
20% of 20 decks +18% synergy
Karmic Guide
20% of 25 decks +18% synergy
Eternal Witness
20% of 25 decks +10% synergy
Biophagus
19% of 16 decks +18% synergy
Geralf's Messenger
17% of 23 decks +17% synergy
Reyhan, Last of the Abzan
17% of 23 decks +17% synergy
Slimefoot, the Stowaway
17% of 23 decks +17% synergy
Mikaeus, the Unhallowed
17% of 23 decks +16% synergy
Grim Haruspex
17% of 23 decks +15% synergy
Sigil Captain
16% of 25 decks +16% synergy
Woodfall Primus
16% of 25 decks +15% synergy
Ivy Lane Denizen
16% of 25 decks +15% synergy
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Cyclonic Rift
60% of 5 decks +46% synergy
Inspiring Call
36% of 25 decks +33% synergy
Anguished Unmaking
35% of 23 decks +29% synergy
Heroic Intervention
28% of 25 decks +14% synergy
Beast Within
28% of 25 decks +10% synergy
Malakir Rebirth
22% of 23 decks +17% synergy
Saw in Half
21% of 14 decks +20% synergy
Hagra Mauling
17% of 23 decks +16% synergy
Mortify
17% of 23 decks +15% synergy
Village Rites
17% of 23 decks +12% synergy
Momentous Fall
16% of 25 decks +15% synergy
Generous Gift
16% of 25 decks +4% synergy
Putrefy
13% of 23 decks +10% synergy
Eladamri's Call
12% of 25 decks +9% synergy
Unbreakable Formation
12% of 25 decks +9% synergy
Teferi's Protection
12% of 25 decks +3% synergy
Sorceries
Nature's Lore
36% of 25 decks +21% synergy
Cultivate
32% of 25 decks +10% synergy
Bala Ged Recovery
28% of 25 decks +24% synergy
Eerie Ultimatum
26% of 23 decks +25% synergy
Three Visits
24% of 25 decks +12% synergy
Kodama's Reach
24% of 25 decks +9% synergy
Damning Verdict
20% of 20 decks +19% synergy
Austere Command
20% of 25 decks +14% synergy
Farseek
20% of 25 decks +4% synergy
Damn
18% of 22 decks +14% synergy
Duneblast
17% of 23 decks +17% synergy
Demonic Tutor
17% of 23 decks +6% synergy
Rampant Growth
16% of 25 decks -0% synergy
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13% of 23 decks +11% synergy
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13% of 23 decks +7% synergy
Toxic Deluge
13% of 23 decks +4% synergy
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12% of 25 decks +9% synergy
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12% of 25 decks +7% synergy
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36% of 25 decks +33% synergy
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24% of 25 decks +21% synergy
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Illusionist's Bracers
16% of 25 decks +15% synergy
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42% of 12 decks +37% synergy
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37% of 19 decks +36% synergy
Aura Shards
36% of 25 decks +34% synergy
Doubling Season
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35% of 23 decks +32% synergy
Dictate of Erebos
30% of 23 decks +28% synergy
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17% of 23 decks +15% synergy
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Arcane Signet
52% of 25 decks -19% synergy
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100% of 25 decks +26% synergy
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56% of 25 decks +47% synergy
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52% of 23 decks +47% synergy
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52% of 23 decks +49% synergy
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Overgrown Tomb
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43% of 23 decks +37% synergy
Godless Shrine
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Canopy Vista
40% of 25 decks +32% synergy
Fabled Passage
40% of 25 decks +31% synergy
Marsh Flats
40% of 25 decks +29% synergy
Isolated Chapel
39% of 23 decks +33% synergy
Sandsteppe Citadel
35% of 23 decks +32% synergy
Verdant Catacombs
32% of 25 decks +20% synergy
Terramorphic Expanse
32% of 25 decks +16% synergy
Woodland Cemetery
30% of 23 decks +25% synergy
Krosan Verge
28% of 25 decks +25% synergy
Bountiful Promenade
28% of 25 decks +23% synergy
Windswept Heath
28% of 25 decks +18% synergy
Evolving Wilds
28% of 25 decks +7% synergy
Vault of Champions
27% of 22 decks +21% synergy
Tainted Field
26% of 23 decks +23% synergy
Brushland
24% of 25 decks +21% synergy
Exotic Orchard
24% of 25 decks -11% synergy
Overgrown Farmland
24% of 21 decks +20% synergy
Fetid Heath
22% of 23 decks +19% synergy
Tainted Wood
22% of 23 decks +19% synergy
Path of Ancestry
20% of 25 decks -1% synergy
Haunted Mire
19% of 16 decks +17% synergy
Temple of Malady
17% of 23 decks +14% synergy
Temple of Silence
17% of 23 decks +13% synergy
Reflecting Pool
16% of 25 decks +10% synergy
Misty Rainforest
16% of 25 decks +4% synergy
Deathcap Glade
16% of 19 decks +13% synergy
Murmuring Bosk
13% of 23 decks +12% synergy
Twilight Mire
13% of 23 decks +11% synergy
Brightclimb Pathway
13% of 23 decks +11% synergy
Golgari Rot Farm
13% of 23 decks +9% synergy
Wooded Bastion
12% of 25 decks +11% synergy
Branchloft Pathway
12% of 25 decks +10% synergy
Temple of Plenty
12% of 25 decks +9% synergy
Blighted Woodland
12% of 25 decks +9% synergy
Wooded Foothills
12% of 25 decks +2% synergy
Bloodstained Mire
12% of 25 decks +2% synergy
Flooded Strand
12% of 25 decks +2% synergy
Polluted Delta
12% of 25 decks +1% synergy
Myriad Landscape
12% of 25 decks -8% synergy