Murderous Redcap + Good-Fortune Unicorn + Phyrexian Altar

Murderous Redcap
Good-Fortune Unicorn
Phyrexian Altar

Requires
Murderous Redcap must be on the battlefield. Good-Fortune Unicorn must be on the battlefield. Phyrexian Altar must be on the battlefield.
Steps
  1. Sacrifice Murderous Redcap to Phyrexian Altar to add one mana of any color.
  2. Murderous Redcap's persist triggers, returning it to the battlefield.
  3. Murderous Redcap returns to the battlefield with a +1/+1 counter and a -1/-1 counter which cancel out.
  4. Murderous Redcap triggers, dealing 2 damage to any target.
  5. Repeat.
Results
Infinite colored mana. Infinite damage. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Kenrith, the Returned King
0.01% of 21513 decks 3 decks
Tana, the Bloodsower // Tymna the Weaver
0.10% of 2862 decks 3 decks
Saskia the Unyielding
0.04% of 5551 decks 2 decks
Ravos, Soultender // Tana, the Bloodsower
0.27% of 754 decks 2 decks
Esika, God of the Tree
0.01% of 17767 decks 2 decks
Morophon, the Boundless
0.02% of 9863 decks 2 decks
Niv-Mizzet Reborn
0.05% of 4053 decks 2 decks
Azlask, the Swelling Scourge
0.02% of 5656 decks 1 decks
Sliver Queen
0.07% of 1462 decks 1 decks
Kyodai, Soul of Kamigawa
0.05% of 1840 decks 1 decks
Ramos, Dragon Engine
0.01% of 8576 decks 1 decks
Jared Carthalion
0.02% of 4394 decks 1 decks
High Synergy Cards
Grumgully, the Generous
86% of 21 decks +83% synergy
Kitchen Finks
76% of 21 decks +76% synergy
Ashnod's Altar
76% of 21 decks +69% synergy
Safehold Elite
67% of 21 decks +67% synergy
Goblin Bombardment
71% of 21 decks +65% synergy
Putrid Goblin
57% of 21 decks +57% synergy
Altar of Dementia
57% of 21 decks +54% synergy
Viscera Seer
62% of 21 decks +53% synergy
Melira, Sylvok Outcast
52% of 21 decks +52% synergy
Rhythm of the Wild
71% of 21 decks +48% synergy
Top Cards
Eladamri's Call
57% of 21 decks +46% synergy
Glen Elendra Archmage
50% of 14 decks +48% synergy
Worldly Tutor
48% of 21 decks +33% synergy
Birds of Paradise
48% of 21 decks +21% synergy
Assassin's Trophy
48% of 21 decks +17% synergy
Farseek
48% of 21 decks +13% synergy
Grazing Kelpie
43% of 14 decks +43% synergy
Heartmender
43% of 21 decks +43% synergy
Lesser Masticore
43% of 21 decks +43% synergy
Renata, Called to the Hunt
43% of 21 decks +41% synergy
Creatures
Obstinate Gargoyle
100% of 3 decks +100% synergy
Blood Artist
43% of 21 decks +31% synergy
Rendclaw Trow
38% of 21 decks +38% synergy
Vizier of Remedies
38% of 21 decks +38% synergy
Anafenza, Kin-Tree Spirit
38% of 21 decks +37% synergy
Woodfall Primus
38% of 21 decks +37% synergy
Juniper Order Ranger
38% of 21 decks +36% synergy
Carrion Feeder
38% of 21 decks +33% synergy
River Kelpie
36% of 14 decks +35% synergy
Aerie Ouphes
33% of 21 decks +33% synergy
Puppeteer Clique
33% of 21 decks +32% synergy
Imperial Recruiter
33% of 21 decks +27% synergy
Kithkin Spellduster
29% of 21 decks +29% synergy
Restless Apparition
29% of 21 decks +29% synergy
Lingering Tormentor
29% of 21 decks +29% synergy
Luminous Broodmoth
29% of 21 decks +27% synergy
Mayhem Devil
29% of 21 decks +19% synergy
Zulaport Cutthroat
29% of 21 decks +19% synergy
Faeburrow Elder
29% of 21 decks +17% synergy
Deathrite Shaman
29% of 21 decks +16% synergy
Ignoble Hierarch
29% of 21 decks +3% synergy
Elas il-Kor, Sadistic Pilgrim
28% of 18 decks +16% synergy
Scuzzback Marauders
24% of 21 decks +24% synergy
Metallic Mimic
24% of 21 decks +22% synergy
Mikaeus, the Unhallowed
24% of 21 decks +21% synergy
Karmic Guide
24% of 21 decks +19% synergy
Corpse Knight
24% of 21 decks +18% synergy
Bloom Tender
24% of 21 decks +16% synergy
Cruel Celebrant
24% of 21 decks +15% synergy
Avacyn's Pilgrim
24% of 21 decks +9% synergy
Sakura-Tribe Elder
24% of 21 decks +5% synergy
Eternal Witness
24% of 21 decks +3% synergy
Gravelgill Axeshark
21% of 14 decks +21% synergy
Cartel Aristocrat
19% of 21 decks +18% synergy
Ivy Lane Denizen
19% of 21 decks +17% synergy
Woe Strider
19% of 21 decks +17% synergy
Felidar Guardian
19% of 21 decks +16% synergy
Walking Ballista
19% of 21 decks +16% synergy
Devoted Druid
19% of 21 decks +16% synergy
Recruiter of the Guard
19% of 21 decks +16% synergy
Kiki-Jiki, Mirror Breaker
19% of 21 decks +15% synergy
Pitiless Plunderer
19% of 21 decks +11% synergy
Dockside Extortionist
19% of 21 decks +6% synergy
Furystoke Giant
14% of 21 decks +14% synergy
Twilight Shepherd
14% of 21 decks +14% synergy
Thermopod
14% of 21 decks +14% synergy
Bloodspore Thrinax
14% of 21 decks +14% synergy
Protean Hulk
14% of 21 decks +13% synergy
Scurry Oak
14% of 21 decks +12% synergy
Reveillark
14% of 21 decks +12% synergy
Instants
Vampiric Tutor
38% of 21 decks +20% synergy
Swords to Plowshares
33% of 21 decks -29% synergy
Mana Drain
29% of 14 decks +13% synergy
Enlightened Tutor
29% of 21 decks +11% synergy
Dark Ritual
29% of 21 decks +6% synergy
Anguished Unmaking
29% of 21 decks +4% synergy
Counterspell
29% of 14 decks -14% synergy
First Day of Class
24% of 21 decks +24% synergy
Chord of Calling
24% of 21 decks +18% synergy
Mystical Tutor
21% of 14 decks +6% synergy
Fierce Guardianship
21% of 14 decks +3% synergy
Cyclonic Rift
21% of 14 decks -7% synergy
Deadly Rollick
19% of 21 decks +8% synergy
Deflecting Swat
19% of 21 decks +3% synergy
Generous Gift
19% of 21 decks -7% synergy
Heroic Intervention
19% of 21 decks -11% synergy
Chaos Warp
19% of 21 decks -13% synergy
Beast Within
19% of 21 decks -20% synergy
Path to Exile
19% of 21 decks -26% synergy
Noxious Revival
14% of 21 decks +9% synergy
Silence
14% of 21 decks +8% synergy
Village Rites
14% of 21 decks +4% synergy
Terminate
14% of 21 decks -7% synergy
Sorceries
Demonic Tutor
52% of 21 decks +30% synergy
Diabolic Intent
38% of 21 decks +29% synergy
Nature's Lore
29% of 21 decks -3% synergy
Imperial Seal
24% of 21 decks +18% synergy
Reanimate
24% of 21 decks +8% synergy
Three Visits
24% of 21 decks -1% synergy
Altar of Bone
19% of 21 decks +19% synergy
Grim Tutor
19% of 21 decks +14% synergy
Eldritch Evolution
19% of 21 decks +14% synergy
Skyshroud Claim
19% of 21 decks +10% synergy
Sylvan Tutor
14% of 21 decks +13% synergy
Green Sun's Zenith
14% of 21 decks +8% synergy
Utility Artifacts
Blasting Station
29% of 21 decks +28% synergy
The Great Henge
24% of 21 decks +14% synergy
Birthing Pod
19% of 21 decks +17% synergy
Spawning Pit
14% of 21 decks +14% synergy
Enchantments
Cathars' Crusade
33% of 21 decks +28% synergy
Thran Vigil
31% of 16 decks +31% synergy
Solemnity
29% of 21 decks +28% synergy
Impact Tremors
29% of 21 decks +19% synergy
Uncivil Unrest
27% of 11 decks +26% synergy
Tribute to the World Tree
25% of 12 decks +17% synergy
Bastion of Remembrance
24% of 21 decks +18% synergy
Master Chef
21% of 19 decks +19% synergy
Sylvan Library
19% of 21 decks +7% synergy
Smothering Tithe
19% of 21 decks -6% synergy
Utility Lands
Boseiju, Who Endures
30% of 20 decks +10% synergy
Ancient Tomb
29% of 21 decks +18% synergy
Urborg, Tomb of Yawgmoth
19% of 21 decks +9% synergy
Mana Artifacts
Arcane Signet
76% of 21 decks +4% synergy
Sol Ring
67% of 21 decks -18% synergy
Chromatic Lantern
43% of 21 decks +33% synergy
Mana Crypt
33% of 21 decks +24% synergy
Fellwar Stone
33% of 21 decks +12% synergy
Chrome Mox
29% of 21 decks +22% synergy
Mox Diamond
24% of 21 decks +19% synergy
Jeweled Lotus
24% of 21 decks +18% synergy
Commander's Sphere
19% of 21 decks +4% synergy
Lands
Command Tower
95% of 21 decks +21% synergy
Arid Mesa
76% of 21 decks +66% synergy
Marsh Flats
76% of 21 decks +65% synergy
Verdant Catacombs
76% of 21 decks +65% synergy
Bloodstained Mire
71% of 21 decks +61% synergy
Windswept Heath
71% of 21 decks +61% synergy
Wooded Foothills
67% of 21 decks +57% synergy
Mana Confluence
57% of 21 decks +50% synergy
Flooded Strand
57% of 21 decks +47% synergy
Scalding Tarn
57% of 21 decks +46% synergy
Polluted Delta
57% of 21 decks +46% synergy
Exotic Orchard
57% of 21 decks +22% synergy
Temple Garden
57% of 21 decks +17% synergy
Stomping Ground
57% of 21 decks +16% synergy
Overgrown Tomb
57% of 21 decks +15% synergy
Misty Rainforest
52% of 21 decks +41% synergy
Blood Crypt
52% of 21 decks +14% synergy
City of Brass
48% of 21 decks +39% synergy
Sacred Foundry
48% of 21 decks +11% synergy
Godless Shrine
48% of 21 decks +7% synergy
Ziatora's Proving Ground
45% of 20 decks +13% synergy
Jetmir's Garden
45% of 20 decks +12% synergy
Zagoth Triome
43% of 14 decks +12% synergy
Plateau
38% of 21 decks +26% synergy
Taiga
38% of 21 decks +25% synergy
Badlands
38% of 21 decks +25% synergy
Indatha Triome
38% of 21 decks +7% synergy
Volcanic Island
36% of 14 decks +22% synergy
Tundra
36% of 14 decks +22% synergy
Tropical Island
36% of 14 decks +22% synergy
Underground Sea
36% of 14 decks +22% synergy
The World Tree
36% of 14 decks +2% synergy
Savannah
33% of 21 decks +20% synergy
Scrubland
33% of 21 decks +20% synergy
Savai Triome
33% of 21 decks +6% synergy
Bayou
29% of 21 decks +15% synergy
Spara's Headquarters
29% of 14 decks -3% synergy
Steam Vents
29% of 14 decks -11% synergy
Watery Grave
29% of 14 decks -12% synergy
Breeding Pool
29% of 14 decks -13% synergy
Forbidden Orchard
24% of 21 decks +21% synergy
Raugrin Triome
21% of 14 decks -5% synergy
Xander's Lounge
21% of 14 decks -6% synergy
Raffine's Tower
21% of 14 decks -7% synergy
Ketria Triome
21% of 14 decks -11% synergy
Hallowed Fountain
21% of 14 decks -19% synergy
Reflecting Pool
19% of 21 decks +14% synergy
Prismatic Vista
19% of 21 decks +14% synergy
Path of Ancestry
19% of 21 decks -2% synergy
Pillar of the Paruns
14% of 21 decks +14% synergy