Basri's Lieutenant + Serra Redeemer + Phyrexian Altar

Basri's Lieutenant
Serra Redeemer
Phyrexian Altar

Requires
Basri's Lieutenant must be on the battlefield. Serra Redeemer must be on the battlefield. Phyrexian Altar must be on the battlefield. You control at least one additional creature with 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. The creature dies, triggering Basri's Lieutenant's second ability, creating a 2/2 Knight creature token.
  3. When the Knight enters the battlefield, Serra Redeemer triggers, putting two +1/+1 counters on the Knight.
  4. Repeat.
Results
Infinite colored mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Alharu, Solemn Ritualist // Sengir, the Dark Baron
50.00% of 4 decks 2 decks
Felisa, Fang of Silverquill
0.12% of 1614 decks 2 decks
Anim Pakal, Thousandth Moon
0.06% of 3083 decks 2 decks
Elesh Norn, Mother of Machines
0.03% of 6747 decks 2 decks
Top Cards
Teysa Karlov
100% of 5 decks +99% synergy
Viscera Seer
100% of 5 decks +95% synergy
Ashnod's Altar
85% of 13 decks +77% synergy
Nikara, Lair Scavenger
80% of 5 decks +80% synergy
Fain, the Broker
80% of 5 decks +79% synergy
Elenda, the Dusk Rose
80% of 5 decks +79% synergy
Vindicate
80% of 5 decks +78% synergy
Carrion Feeder
80% of 5 decks +77% synergy
Path to Exile
77% of 13 decks +57% synergy
Skullclamp
69% of 13 decks +57% synergy
Creatures
Ayara's Oathsworn
100% of 3 decks +100% synergy
Vish Kal, Blood Arbiter
60% of 5 decks +60% synergy
Shaile, Dean of Radiance
60% of 5 decks +60% synergy
Krav, the Unredeemed
60% of 5 decks +60% synergy
Felisa, Fang of Silverquill
60% of 5 decks +60% synergy
Shadrix Silverquill
60% of 5 decks +60% synergy
Breena, the Demagogue
60% of 5 decks +59% synergy
Rosie Cotton of South Lane
60% of 5 decks +58% synergy
Solemn Simulacrum
54% of 13 decks +40% synergy
Dusk Legion Duelist
50% of 6 decks +49% synergy
Luminarch Aspirant
46% of 13 decks +46% synergy
Lae'zel, Vlaakith's Champion
46% of 13 decks +45% synergy
Rumor Gatherer
38% of 13 decks +37% synergy
Soul Warden
31% of 13 decks +28% synergy
Welcoming Vampire
31% of 13 decks +28% synergy
Mentor of the Meek
31% of 13 decks +28% synergy
Mondrak, Glory Dominus
30% of 10 decks +26% synergy
Star Pupil
23% of 13 decks +23% synergy
Skyboon Evangelist
23% of 13 decks +23% synergy
Lena, Selfless Champion
23% of 13 decks +23% synergy
Twilight Drover
23% of 13 decks +23% synergy
Boss's Chauffeur
23% of 13 decks +23% synergy
Requiem Angel
23% of 13 decks +23% synergy
Hopeful Initiate
23% of 13 decks +23% synergy
Reverent Hoplite
23% of 13 decks +23% synergy
Bishop of Wings
23% of 13 decks +23% synergy
Anafenza, Kin-Tree Spirit
23% of 13 decks +23% synergy
Ao, the Dawn Sky
23% of 13 decks +23% synergy
Defiler of Faith
23% of 13 decks +22% synergy
Weathered Wayfarer
23% of 13 decks +22% synergy
Soul's Attendant
23% of 13 decks +21% synergy
Lion Sash
23% of 13 decks +21% synergy
Esper Sentinel
23% of 13 decks +14% synergy
Instants
Swords to Plowshares
69% of 13 decks +41% synergy
Generous Gift
62% of 13 decks +50% synergy
Lethal Scheme
60% of 5 decks +59% synergy
Mortify
60% of 5 decks +57% synergy
Malakir Rebirth
60% of 5 decks +56% synergy
Flawless Maneuver
38% of 13 decks +34% synergy
Akroma's Will
38% of 13 decks +34% synergy
Cosmic Intervention
23% of 13 decks +22% synergy
Unbreakable Formation
23% of 13 decks +20% synergy
Sorceries
Feed the Swarm
60% of 5 decks +51% synergy
Austere Command
46% of 13 decks +40% synergy
Damning Verdict
31% of 13 decks +30% synergy
Farewell
31% of 13 decks +25% synergy
Utility Artifacts
The Ozolith
46% of 13 decks +43% synergy
Swiftfoot Boots
46% of 13 decks +18% synergy
Animation Module
31% of 13 decks +30% synergy
Oketra's Monument
31% of 13 decks +29% synergy
Archaeomancer's Map
23% of 13 decks +21% synergy
Maskwood Nexus
23% of 13 decks +20% synergy
Altar of Dementia
23% of 13 decks +20% synergy
Panharmonicon
23% of 13 decks +19% synergy
Enchantments
Cathars' Crusade
62% of 13 decks +59% synergy
Sigarda's Summons
38% of 13 decks +38% synergy
Anointed Procession
38% of 13 decks +34% synergy
Divine Visitation
31% of 13 decks +30% synergy
Resourceful Defense
23% of 13 decks +22% synergy
Together Forever
23% of 13 decks +22% synergy
Inspiring Leader
23% of 13 decks +22% synergy
Land Tax
23% of 13 decks +20% synergy
Felidar Retreat
23% of 13 decks +20% synergy
Utility Lands
Emeria, the Sky Ruin
23% of 13 decks +22% synergy
War Room
23% of 13 decks +17% synergy
Temple of the False God
23% of 13 decks +13% synergy
Reliquary Tower
23% of 13 decks -6% synergy
Mana Artifacts
Sol Ring
85% of 13 decks +0% synergy
Arcane Signet
62% of 13 decks -10% synergy
Talisman of Hierarchy
60% of 5 decks +54% synergy
Orzhov Signet
60% of 5 decks +54% synergy
Mind Stone
31% of 13 decks +13% synergy
Fellwar Stone
23% of 13 decks +2% synergy
Lands
Brightclimb Pathway
80% of 5 decks +78% synergy
Tainted Field
80% of 5 decks +77% synergy
Orzhov Basilica
80% of 5 decks +76% synergy
Isolated Chapel
80% of 5 decks +74% synergy
Caves of Koilos
80% of 5 decks +74% synergy
Silent Clearing
60% of 5 decks +59% synergy
Shineshadow Snarl
60% of 5 decks +57% synergy
Shattered Sanctum
60% of 5 decks +57% synergy
Temple of Silence
60% of 5 decks +56% synergy
Vault of Champions
60% of 5 decks +54% synergy
Godless Shrine
60% of 5 decks +51% synergy
Command Tower
54% of 13 decks -20% synergy
Opal Palace
38% of 13 decks +36% synergy
Fabled Passage
31% of 13 decks +22% synergy
Evolving Wilds
31% of 13 decks +10% synergy
Prismatic Vista
23% of 13 decks +17% synergy
Marsh Flats
23% of 13 decks +12% synergy
Myriad Landscape
23% of 13 decks +3% synergy
Exotic Orchard
23% of 13 decks -12% synergy