Ratadrabik of Urborg + Leyline of Singularity + Phyrexian Altar

Ratadrabik of Urborg
Leyline of Singularity
Phyrexian Altar

Requires
Ratadrabik of Urborg must be on the battlefield. Leyline of Singularity must be on the battlefield. Phyrexian Altar must be on the battlefield. You control at least one additional creature.
Steps
  1. Activate Phyrexian Altar by sacrificing any other creature you control, adding one mana of any color.
  2. The creature dies, triggering Ratadrabik, creating a token copy of the creature that is a 2/2 legendary Zombie in addition to its other types.
  3. Repeat.
Results
Infinite colored mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Ravos, Soultender // Sakashima of a Thousand Faces
1.46% of 206 decks 3 decks
Esika, God of the Tree
0.02% of 17767 decks 3 decks
Varina, Lich Queen
0.03% of 7044 decks 2 decks
Sefris of the Hidden Ways
0.01% of 8722 decks 1 decks
Atogatog
0.08% of 1216 decks 1 decks
Rukarumel, Biologist
0.04% of 2789 decks 1 decks
The Ever-Changing 'Dane
0.13% of 756 decks 1 decks
Sisay, Weatherlight Captain
0.01% of 12142 decks 1 decks
Jodah, the Unifier
0.01% of 18273 decks 1 decks
Sharuum the Hegemon
0.05% of 1960 decks 1 decks
Marneus Calgar
0.01% of 10468 decks 1 decks
High Synergy Cards
Ashnod's Altar
69% of 16 decks +61% synergy
Gandalf the White
40% of 10 decks +38% synergy
Maskwood Nexus
38% of 16 decks +35% synergy
Boromir, Warden of the Tower
40% of 10 decks +34% synergy
Primevals' Glorious Rebirth
38% of 16 decks +33% synergy
Teysa Karlov
38% of 16 decks +33% synergy
Mondrak, Glory Dominus
42% of 12 decks +32% synergy
Elas il-Kor, Sadistic Pilgrim
44% of 16 decks +32% synergy
Mirror Box
31% of 16 decks +30% synergy
Anointed Procession
38% of 16 decks +29% synergy
Top Cards
Relic of Legends
44% of 16 decks +41% synergy
Enlightened Tutor
38% of 16 decks +20% synergy
Mox Amber
31% of 16 decks +27% synergy
Deadly Dispute
31% of 16 decks +20% synergy
Rhystic Study
31% of 16 decks +3% synergy
Arcane Adaptation
25% of 16 decks +24% synergy
Chromatic Orrery
25% of 16 decks +23% synergy
Altar of Dementia
25% of 16 decks +22% synergy
Junji, the Midnight Sky
25% of 16 decks +22% synergy
Sakashima of a Thousand Faces
25% of 16 decks +22% synergy
Creatures
Magda, Brazen Outlaw
43% of 7 decks +40% synergy
Kenrith, the Returned King
43% of 7 decks +39% synergy
Sisay, Weatherlight Captain
43% of 7 decks +36% synergy
Dockside Extortionist
43% of 7 decks +30% synergy
Samwise the Stouthearted
30% of 10 decks +29% synergy
Gollum, Patient Plotter
30% of 10 decks +29% synergy
Lotho, Corrupt Shirriff
30% of 10 decks +15% synergy
Drivnod, Carnage Dominus
25% of 12 decks +22% synergy
Sheoldred, Whispering One
25% of 16 decks +20% synergy
Phyrexian Metamorph
25% of 16 decks +18% synergy
Spark Double
25% of 16 decks +18% synergy
Solemn Simulacrum
25% of 16 decks +11% synergy
Yoshimaru, Ever Faithful
19% of 16 decks +18% synergy
Clever Impersonator
19% of 16 decks +16% synergy
Rankle, Master of Pranks
19% of 16 decks +16% synergy
Mirror Entity
19% of 16 decks +14% synergy
Elesh Norn, Grand Cenobite
19% of 16 decks +13% synergy
Braids, Arisen Nightmare
19% of 16 decks +11% synergy
Viscera Seer
19% of 16 decks +9% synergy
Zulaport Cutthroat
19% of 16 decks +9% synergy
Blood Artist
19% of 16 decks +7% synergy
Esper Sentinel
19% of 16 decks -2% synergy
Instants
Vampiric Tutor
38% of 16 decks +19% synergy
Fierce Guardianship
25% of 16 decks +7% synergy
Swords to Plowshares
25% of 16 decks -38% synergy
Malakir Rebirth
19% of 16 decks +10% synergy
Teferi's Protection
19% of 16 decks -1% synergy
Generous Gift
19% of 16 decks -7% synergy
Path to Exile
19% of 16 decks -27% synergy
Sorceries
Demonic Tutor
44% of 16 decks +21% synergy
Farseek
43% of 7 decks +9% synergy
Buried Alive
19% of 16 decks +13% synergy
Diabolic Intent
19% of 16 decks +10% synergy
Utility Artifacts
Lightning Greaves
25% of 16 decks -0% synergy
Avacyn's Memorial
19% of 16 decks +18% synergy
Blade of Selves
19% of 16 decks +17% synergy
Helm of the Host
19% of 16 decks +15% synergy
Wishclaw Talisman
19% of 16 decks +13% synergy
Sensei's Divining Top
19% of 16 decks +13% synergy
Enchantments
Flowering of the White Tree
30% of 10 decks +24% synergy
Mystic Remora
25% of 16 decks +7% synergy
Smothering Tithe
25% of 16 decks -0% synergy
Extravagant Replication
19% of 16 decks +17% synergy
Rooftop Storm
19% of 16 decks +17% synergy
Grave Pact
19% of 16 decks +14% synergy
Black Market
19% of 16 decks +14% synergy
Black Market Connections
19% of 16 decks +8% synergy
Utility Lands
Phyrexian Tower
31% of 16 decks +23% synergy
Urborg, Tomb of Yawgmoth
31% of 16 decks +21% synergy
Urza's Saga
25% of 16 decks +18% synergy
Takenuma, Abandoned Mire
25% of 16 decks +14% synergy
Reliquary Tower
25% of 16 decks -4% synergy
Bojuka Bog
25% of 16 decks -5% synergy
Ancient Tomb
19% of 16 decks +8% synergy
Mana Artifacts
Sol Ring
75% of 16 decks -9% synergy
Arcane Signet
62% of 16 decks -9% synergy
Chromatic Lantern
25% of 16 decks +15% synergy
Azorius Signet
25% of 16 decks -1% synergy
Orzhov Signet
25% of 16 decks -2% synergy
Mana Crypt
19% of 16 decks +10% synergy
Fellwar Stone
19% of 16 decks -2% synergy
Talisman of Progress
19% of 16 decks -4% synergy
Talisman of Hierarchy
19% of 16 decks -6% synergy
Dimir Signet
19% of 16 decks -11% synergy
Lands
Command Tower
75% of 16 decks +1% synergy
Plateau
57% of 7 decks +45% synergy
Taiga
57% of 7 decks +44% synergy
Badlands
57% of 7 decks +44% synergy
Bayou
57% of 7 decks +44% synergy
Volcanic Island
57% of 7 decks +43% synergy
Tropical Island
57% of 7 decks +43% synergy
Godless Shrine
56% of 16 decks +15% synergy
Hallowed Fountain
50% of 16 decks +9% synergy
Flooded Strand
44% of 16 decks +33% synergy
Scrubland
44% of 16 decks +30% synergy
Raffine's Tower
44% of 16 decks +16% synergy
Watery Grave
44% of 16 decks +3% synergy
Savannah
43% of 7 decks +30% synergy
Ziatora's Proving Ground
43% of 7 decks +11% synergy
Ketria Triome
43% of 7 decks +10% synergy
Jetmir's Garden
43% of 7 decks +10% synergy
Temple Garden
43% of 7 decks +2% synergy
Breeding Pool
43% of 7 decks +2% synergy
Stomping Ground
43% of 7 decks +2% synergy
Overgrown Tomb
43% of 7 decks +0% synergy
Polluted Delta
38% of 16 decks +26% synergy
Marsh Flats
38% of 16 decks +26% synergy
Tundra
38% of 16 decks +24% synergy
Underground Sea
38% of 16 decks +23% synergy
Caves of Koilos
31% of 16 decks +3% synergy
Exotic Orchard
31% of 16 decks -4% synergy
Misty Rainforest
25% of 16 decks +13% synergy
Prairie Stream
25% of 16 decks -9% synergy
Wooded Foothills
19% of 16 decks +9% synergy
Windswept Heath
19% of 16 decks +8% synergy
Arid Mesa
19% of 16 decks +8% synergy
Scalding Tarn
19% of 16 decks +8% synergy
Verdant Catacombs
19% of 16 decks +7% synergy
Underground River
19% of 16 decks -1% synergy
Evolving Wilds
19% of 16 decks -2% synergy
Vault of Champions
19% of 16 decks -7% synergy
Isolated Chapel
19% of 16 decks -9% synergy
Sunken Hollow
19% of 16 decks -16% synergy