Ratadrabik of Urborg + Vesuvan Duplimancy + Mondrak, Glory Dominus + Cackling Counterpart

Ratadrabik of Urborg
Vesuvan Duplimancy
Mondrak, Glory Dominus
Cackling Counterpart

Requires
Ratadrabik of Urborg must be on the battlefield. Vesuvan Duplimancy must be on the battlefield. Mondrak, Glory Dominus must be on the battlefield. Cackling Counterpart must be in hand. Mana needed: 1
Steps
  1. Cast Cackling Counterpart by paying 1, targeting Mondrak.
  2. Vesuvan Duplimancy triggers, creating two nonlegendary token copies of Mondrak.
  3. Resolve Cackling Counterpart, creating eight copies of Mondrak.
  4. Put all but one legendary Mondrak into your graveyard due to the legend rule.
  5. When the Mondraks die, Ratadrabik triggers eight times.
  6. Resolve the first Ratadrabik trigger, creating a number of nonlegendary token copies of Mondrak equal to 2^(the number of Mondraks you currently control) that are 2/2 Zombies in addition to their other types.
  7. Repeat step 6 for each remaining trigger.
Results
Near-infinite creature tokens. Near-infinite ETB.

Sakashima of a Thousand Faces // Tymna the Weaver
0.30% of 661 decks 2 decks
Atraxa, Grand Unifier
0.01% of 14209 decks 1 decks
Ravos, Soultender // Thrasios, Triton Hero
0.25% of 398 decks 1 decks
Soundwave, Sonic Spy
0.07% of 1462 decks 1 decks
Esika, God of the Tree
0.01% of 17767 decks 1 decks
Tivit, Seller of Secrets
0.01% of 11500 decks 1 decks
Ravos, Soultender // Sakashima of a Thousand Faces
0.49% of 206 decks 1 decks
High Synergy Cards
Quasiduplicate
100% of 8 decks +99% synergy
Irenicus's Vile Duplication
100% of 8 decks +96% synergy
Orvar, the All-Form
88% of 8 decks +87% synergy
Mirror Box
88% of 8 decks +86% synergy
Helm of the Host
75% of 8 decks +72% synergy
Rite of Replication
75% of 8 decks +72% synergy
Mirage Mockery
71% of 7 decks +71% synergy
See Double
67% of 6 decks +65% synergy
Fated Infatuation
62% of 8 decks +62% synergy
Mirrorhall Mimic
62% of 8 decks +61% synergy
Top Cards
Extravagant Replication
62% of 8 decks +61% synergy
Spark Double
62% of 8 decks +55% synergy
Anointed Procession
62% of 8 decks +54% synergy
Smothering Tithe
62% of 8 decks +37% synergy
Followed Footsteps
50% of 8 decks +50% synergy
Replication Technique
50% of 8 decks +49% synergy
Endless Evil
50% of 8 decks +49% synergy
Glasspool Mimic
50% of 8 decks +47% synergy
Enlightened Tutor
50% of 8 decks +32% synergy
Creatures
Kalemne, Disciple of Iroas
100% of 1 decks +100% synergy
Conclave Evangelist
100% of 1 decks +99% synergy
Dack's Duplicate
100% of 1 decks +99% synergy
Mizzix of the Izmagnus
100% of 1 decks +99% synergy
Kelsien, the Plague
100% of 1 decks +99% synergy
Watchful Radstag
100% of 1 decks +99% synergy
Compy Swarm
100% of 1 decks +98% synergy
Cadric, Soul Kindler
100% of 1 decks +98% synergy
Otharri, Suns' Glory
100% of 1 decks +97% synergy
Peregrin Took
100% of 1 decks +95% synergy
Ojer Taq, Deepest Foundation
100% of 2 decks +94% synergy
Progenitor Mimic
67% of 3 decks +64% synergy
Adrix and Nev, Twincasters
67% of 3 decks +61% synergy
Romana II
50% of 2 decks +50% synergy
Flesh Duplicate
50% of 2 decks +47% synergy
Vizier of Many Faces
38% of 8 decks +37% synergy
Marneus Calgar
38% of 8 decks +36% synergy
Clever Impersonator
38% of 8 decks +35% synergy
Jin-Gitaxias, Progress Tyrant
38% of 8 decks +34% synergy
Sakashima of a Thousand Faces
38% of 8 decks +34% synergy
Phyrexian Metamorph
38% of 8 decks +30% synergy
Esper Sentinel
38% of 8 decks +17% synergy
Spawnwrithe
33% of 3 decks +33% synergy
Biowaste Blob
33% of 3 decks +33% synergy
Biovisionary
33% of 3 decks +32% synergy
Ezuri, Claw of Progress
33% of 3 decks +32% synergy
Bramble Sovereign
33% of 3 decks +32% synergy
Polyraptor
33% of 3 decks +32% synergy
Altered Ego
33% of 3 decks +32% synergy
Nesting Dovehawk
33% of 6 decks +32% synergy
Giant Adephage
33% of 3 decks +32% synergy
Knight of Autumn
33% of 3 decks +31% synergy
Queen Allenal of Ruadach
33% of 3 decks +30% synergy
Rhys the Redeemed
33% of 3 decks +30% synergy
Meren of Clan Nel Toth
33% of 3 decks +30% synergy
Chatterfang, Squirrel General
33% of 3 decks +28% synergy
Faerie Mastermind
33% of 6 decks +26% synergy
Dryad of the Ilysian Grove
33% of 3 decks +26% synergy
Bloom Tender
33% of 3 decks +25% synergy
Scute Swarm
33% of 3 decks +23% synergy
Undercover Operative
25% of 8 decks +24% synergy
Nightmare Shepherd
25% of 8 decks +24% synergy
Stunt Double
25% of 8 decks +24% synergy
Preston, the Vanisher
25% of 8 decks +24% synergy
Sakashima the Impostor
25% of 8 decks +23% synergy
Grand Arbiter Augustin IV
25% of 8 decks +21% synergy
Phantasmal Image
25% of 8 decks +21% synergy
Consecrated Sphinx
25% of 8 decks +20% synergy
Elesh Norn, Grand Cenobite
25% of 8 decks +19% synergy
Talion, the Kindly Lord
25% of 4 decks +19% synergy
Instants
Worldly Tutor
67% of 3 decks +53% synergy
Vampiric Tutor
50% of 8 decks +32% synergy
Sublime Epiphany
38% of 8 decks +36% synergy
Cyclonic Rift
38% of 8 decks +10% synergy
Double Major
33% of 3 decks +30% synergy
Second Harvest
33% of 3 decks +28% synergy
Harrow
33% of 3 decks +24% synergy
Eladamri's Call
33% of 3 decks +22% synergy
Heroic Intervention
33% of 3 decks +4% synergy
Assassin's Trophy
33% of 3 decks +3% synergy
Beast Within
33% of 3 decks -6% synergy
Elminster's Simulacrum
25% of 8 decks +24% synergy
Saw in Half
25% of 8 decks +22% synergy
Flawless Maneuver
25% of 8 decks +15% synergy
Fierce Guardianship
25% of 8 decks +7% synergy
Dark Ritual
25% of 8 decks +3% synergy
Counterspell
25% of 8 decks -18% synergy
Swords to Plowshares
25% of 8 decks -38% synergy
Dream's Grip
12% of 8 decks +12% synergy
Twiddle
12% of 8 decks +12% synergy
Mizzium Skin
12% of 8 decks +12% synergy
Union of the Third Path
12% of 8 decks +12% synergy
Dive Down
12% of 8 decks +12% synergy
Theoretical Duplication
12% of 8 decks +12% synergy
Undying Evil
12% of 8 decks +12% synergy
Cerulean Wisps
12% of 8 decks +12% synergy
Leap
12% of 8 decks +12% synergy
Teferi's Time Twist
12% of 8 decks +11% synergy
Shadow Rift
12% of 8 decks +11% synergy
Supernatural Stamina
12% of 8 decks +11% synergy
Perplexing Test
12% of 8 decks +11% synergy
Undying Malice
12% of 8 decks +10% synergy
Feign Death
12% of 8 decks +10% synergy
Essence Flux
12% of 8 decks +10% synergy
Cloudshift
12% of 8 decks +9% synergy
Rootborn Defenses
12% of 8 decks +9% synergy
Narset's Reversal
12% of 8 decks +9% synergy
Cabal Ritual
12% of 8 decks +8% synergy
Ephemerate
12% of 8 decks +7% synergy
Silence
12% of 8 decks +6% synergy
Fracture
12% of 8 decks +5% synergy
Malakir Rebirth
12% of 8 decks +4% synergy
Force of Negation
12% of 8 decks +3% synergy
Force of Will
12% of 8 decks +1% synergy
Void Rend
12% of 8 decks -2% synergy
Mystical Tutor
12% of 8 decks -3% synergy
Mana Drain
12% of 8 decks -3% synergy
Dovin's Veto
12% of 8 decks -7% synergy
Arcane Denial
12% of 8 decks -7% synergy
Teferi's Protection
12% of 8 decks -8% synergy
Sorceries
Rally the Galadhrim
100% of 1 decks +99% synergy
Mythos of Illuna
100% of 1 decks +99% synergy
Croaking Counterpart
67% of 3 decks +65% synergy
Three Visits
67% of 3 decks +42% synergy
Quantum Misalignment
50% of 2 decks +48% synergy
Demonic Tutor
50% of 8 decks +28% synergy
Tempt with Reflections
38% of 8 decks +37% synergy
Stolen Identity
38% of 8 decks +36% synergy
Parallel Evolution
33% of 3 decks +33% synergy
Spitting Image
33% of 3 decks +32% synergy
Kodama's Reach
33% of 3 decks +2% synergy
Nature's Lore
33% of 3 decks +1% synergy
Farseek
33% of 3 decks -1% synergy
Rampant Growth
33% of 3 decks -1% synergy
Cultivate
33% of 3 decks -13% synergy
Echo Storm
25% of 8 decks +25% synergy
Clone Legion
25% of 8 decks +24% synergy
Beseech the Mirror
25% of 4 decks +21% synergy
Windfall
25% of 8 decks +12% synergy
Farewell
25% of 8 decks +12% synergy
Damn
25% of 8 decks +8% synergy
Zndrsplt's Judgment
12% of 8 decks +12% synergy
Hidden Strings
12% of 8 decks +12% synergy
Saheeli's Artistry
12% of 8 decks +12% synergy
March of Progress
12% of 8 decks +11% synergy
Bribery
12% of 8 decks +11% synergy
Hour of Reckoning
12% of 8 decks +8% synergy
Grim Tutor
12% of 8 decks +8% synergy
Fabricate
12% of 8 decks +6% synergy
Diabolic Intent
12% of 8 decks +4% synergy
Austere Command
12% of 8 decks -0% synergy
Reanimate
12% of 8 decks -3% synergy
Toxic Deluge
12% of 8 decks -5% synergy
Utility Artifacts
Mirror Gallery
38% of 8 decks +37% synergy
Lightning Greaves
38% of 8 decks +12% synergy
Swiftfoot Boots
38% of 8 decks +10% synergy
Esika's Chariot
33% of 3 decks +32% synergy
Lithoform Engine
25% of 8 decks +23% synergy
The One Ring
17% of 6 decks +8% synergy
Soul Foundry
12% of 8 decks +12% synergy
Mask of Avacyn
12% of 8 decks +12% synergy
Conjurer's Closet
12% of 8 decks +10% synergy
Sculpting Steel
12% of 8 decks +10% synergy
Archaeomancer's Map
12% of 8 decks +9% synergy
Panharmonicon
12% of 8 decks +8% synergy
Bident of Thassa
12% of 8 decks +6% synergy
Bolas's Citadel
12% of 8 decks +3% synergy
Enchantments
City of Death
100% of 1 decks +98% synergy
Parallel Lives
67% of 3 decks +59% synergy
Doubling Season
67% of 3 decks +58% synergy
Trouble in Pairs
50% of 2 decks +43% synergy
Song of the Worldsoul
38% of 8 decks +37% synergy
Battle for Bretagard
33% of 3 decks +32% synergy
Primal Vigor
33% of 3 decks +30% synergy
Virtue of Knowledge
25% of 4 decks +22% synergy
Teleportation Circle
25% of 8 decks +21% synergy
Mystic Remora
25% of 8 decks +7% synergy
Rhystic Study
25% of 8 decks -3% synergy
Storm of Saruman
20% of 5 decks +18% synergy
Infinite Reflection
12% of 8 decks +12% synergy
Mirror Mockery
12% of 8 decks +12% synergy
Sword Coast Sailor
12% of 8 decks +12% synergy
Artificer Class
12% of 8 decks +11% synergy
Legion Loyalty
12% of 8 decks +11% synergy
Mirrormade
12% of 8 decks +10% synergy
Thopter Spy Network
12% of 8 decks +9% synergy
Kaya's Ghostform
12% of 8 decks +8% synergy
Reconnaissance Mission
12% of 8 decks +7% synergy
Black Market Connections
12% of 8 decks +2% synergy
Planeswalkers
Tezzeret, Master of the Bridge
25% of 8 decks +22% synergy
Kaya, Geist Hunter
12% of 8 decks +11% synergy
Utility Lands
Takenuma, Abandoned Mire
38% of 8 decks +27% synergy
Otawara, Soaring City
38% of 8 decks +21% synergy
Mirrorpool
25% of 8 decks +24% synergy
Treasure Vault
25% of 8 decks +22% synergy
Urborg, Tomb of Yawgmoth
25% of 8 decks +15% synergy
Ancient Tomb
25% of 8 decks +14% synergy
Reliquary Tower
25% of 8 decks -4% synergy
Hall of the Bandit Lord
12% of 8 decks +12% synergy
Field of the Dead
12% of 8 decks +9% synergy
Inventors' Fair
12% of 8 decks +9% synergy
Darksteel Citadel
12% of 8 decks +9% synergy
Vault of Whispers
12% of 8 decks +8% synergy
Shizo, Death's Storehouse
12% of 8 decks +8% synergy
Ancient Den
12% of 8 decks +7% synergy
Seat of the Synod
12% of 8 decks +6% synergy
Urza's Saga
12% of 8 decks +5% synergy
Eiganjo, Seat of the Empire
12% of 8 decks +3% synergy
Yavimaya, Cradle of Growth
12% of 8 decks +3% synergy
Rogue's Passage
12% of 8 decks -7% synergy
Mana Artifacts
Arcane Signet
100% of 8 decks +28% synergy
Sol Ring
88% of 8 decks +3% synergy
Talisman of Progress
62% of 8 decks +40% synergy
Talisman of Hierarchy
62% of 8 decks +38% synergy
Talisman of Dominance
62% of 8 decks +31% synergy
Fellwar Stone
50% of 8 decks +29% synergy
Thought Vessel
38% of 8 decks +21% synergy
Azorius Signet
38% of 8 decks +11% synergy
Orzhov Signet
38% of 8 decks +10% synergy
Dimir Signet
38% of 8 decks +8% synergy
Machine God's Effigy
25% of 8 decks +24% synergy
Chromatic Lantern
25% of 8 decks +15% synergy
Firemind Vessel
12% of 8 decks +12% synergy
The Mightstone and Weakstone
12% of 8 decks +12% synergy
Skyclave Relic
12% of 8 decks +11% synergy
Relic of Legends
12% of 8 decks +10% synergy
Worn Powerstone
12% of 8 decks +10% synergy
Gilded Lotus
12% of 8 decks +9% synergy
Everflowing Chalice
12% of 8 decks +8% synergy
Jeweled Lotus
12% of 8 decks +6% synergy
Mana Vault
12% of 8 decks +6% synergy
Mana Crypt
12% of 8 decks +4% synergy
Lands
Raugrin Triome
100% of 1 decks +73% synergy
Xander's Lounge
100% of 1 decks +72% synergy
Zagoth Triome
100% of 3 decks +69% synergy
Indatha Triome
100% of 3 decks +69% synergy
Spara's Headquarters
100% of 3 decks +68% synergy
Ketria Triome
100% of 1 decks +67% synergy
The World Tree
100% of 1 decks +66% synergy
Exotic Orchard
100% of 8 decks +64% synergy
Blood Crypt
100% of 1 decks +61% synergy
Steam Vents
100% of 1 decks +61% synergy
Temple Garden
100% of 3 decks +59% synergy
Godless Shrine
100% of 8 decks +59% synergy
Watery Grave
100% of 8 decks +59% synergy
Hallowed Fountain
100% of 8 decks +59% synergy
Breeding Pool
100% of 3 decks +59% synergy
Stomping Ground
100% of 1 decks +59% synergy
Overgrown Tomb
100% of 3 decks +57% synergy
Command Tower
100% of 8 decks +26% synergy
Morphic Pool
88% of 8 decks +61% synergy
Sea of Clouds
75% of 8 decks +49% synergy
Undergrowth Stadium
67% of 3 decks +40% synergy
Rejuvenating Springs
67% of 3 decks +38% synergy
Deserted Beach
62% of 8 decks +46% synergy
Shipwreck Marsh
62% of 8 decks +44% synergy
Vault of Champions
62% of 8 decks +37% synergy
Glacial Fortress
50% of 8 decks +25% synergy
Raffine's Tower
50% of 8 decks +22% synergy
Mana Confluence
38% of 8 decks +30% synergy
City of Brass
38% of 8 decks +29% synergy
Shattered Sanctum
38% of 8 decks +24% synergy
Arcane Sanctum
38% of 8 decks +10% synergy
Bountiful Promenade
33% of 3 decks +9% synergy
Sandsteppe Citadel
33% of 3 decks +8% synergy
Seaside Citadel
33% of 3 decks +7% synergy
Opulent Palace
33% of 3 decks +7% synergy
Plaza of Heroes
25% of 8 decks +22% synergy
Silent Clearing
25% of 8 decks +20% synergy
Sunken Ruins
25% of 8 decks +20% synergy
Mistvault Bridge
25% of 8 decks +20% synergy
Goldmire Bridge
25% of 8 decks +20% synergy
Reflecting Pool
25% of 8 decks +20% synergy
Mystic Gate
25% of 8 decks +19% synergy
Razortide Bridge
25% of 8 decks +18% synergy
Flooded Strand
25% of 8 decks +14% synergy
Fetid Heath
25% of 8 decks +14% synergy
Polluted Delta
25% of 8 decks +14% synergy
Marsh Flats
25% of 8 decks +14% synergy
Verdant Catacombs
25% of 8 decks +14% synergy
Misty Rainforest
25% of 8 decks +13% synergy
Sunken Hollow
25% of 8 decks -10% synergy