Leyline of Abundance + Scuttling Sliver + Manaweft Sliver + Biomancer's Familiar

Leyline of Abundance
Scuttling Sliver
Manaweft Sliver
Biomancer's Familiar

Requires
Leyline of Abundance must be on the battlefield. Scuttling Sliver must be on the battlefield. Manaweft Sliver must be on the battlefield. Biomancer's Familiar must be on the battlefield. You control a Sliver that does not have summoning sickness.
Steps
  1. Activate any Sliver by tapping it, adding one mana of any color.
  2. Leyline of Abundance triggers, adding .
  3. Activate the tapped Sliver by paying 1, untapping it.
  4. Repeat.
  5. Once you have a large amount of mana, you may use it to activate Leyline of Abundance, putting infinite +1/+1 counters on creatures you control.
Results
Infinite +1/+1 counters. Infinite colored mana.

Sliver Overlord
0.05% of 6449 decks 3 decks
Sliver Queen
0.21% of 1462 decks 3 decks
The First Sliver
0.02% of 10972 decks 2 decks
Kinnan, Bonder Prodigy
0.01% of 12009 decks 1 decks
Tazri, Stalwart Survivor
0.06% of 1780 decks 1 decks
New Cards
Leyline of Transformation
100% of 2 decks +96% synergy
Leyline of Mutation
100% of 2 decks +82% synergy
Enduring Vitality
100% of 1 decks +75% synergy
Leyline of Resonance
50% of 2 decks +48% synergy
Leyline of Hope
17% of 6 decks +15% synergy
High Synergy Cards
Gemhide Sliver
90% of 10 decks +89% synergy
Lavabelly Sliver
89% of 9 decks +87% synergy
Cloudshredder Sliver
89% of 9 decks +86% synergy
Diffusion Sliver
80% of 10 decks +79% synergy
Necrotic Sliver
78% of 9 decks +76% synergy
Harmonic Sliver
78% of 9 decks +75% synergy
Sliver Legion
78% of 9 decks +72% synergy
Basal Sliver
67% of 9 decks +66% synergy
Mana Echoes
67% of 9 decks +66% synergy
Sliver Hivelord
67% of 9 decks +60% synergy
Top Cards
Morophon, the Boundless
67% of 9 decks +54% synergy
Venom Sliver
60% of 10 decks +59% synergy
Training Grounds
60% of 10 decks +57% synergy
Heart Sliver
56% of 9 decks +55% synergy
Hibernation Sliver
56% of 9 decks +54% synergy
Metallic Sliver
50% of 10 decks +50% synergy
Root Sliver
50% of 10 decks +49% synergy
Predatory Sliver
50% of 10 decks +49% synergy
Galerider Sliver
50% of 10 decks +49% synergy
Urza's Incubator
50% of 10 decks +47% synergy
Creatures
Dregscape Sliver
44% of 9 decks +44% synergy
Firewake Sliver
44% of 9 decks +44% synergy
Syphon Sliver
44% of 9 decks +44% synergy
Crystalline Sliver
44% of 9 decks +42% synergy
Sliver Overlord
44% of 9 decks +41% synergy
The First Sliver
44% of 9 decks +41% synergy
Agatha of the Vile Cauldron
43% of 7 decks +41% synergy
Screeching Sliver
40% of 10 decks +40% synergy
Virulent Sliver
40% of 10 decks +39% synergy
Shifting Sliver
40% of 10 decks +39% synergy
Hatchery Sliver
38% of 8 decks +37% synergy
Rukarumel, Biologist
38% of 8 decks +36% synergy
Sliver Gravemother
38% of 8 decks +33% synergy
Darkheart Sliver
33% of 9 decks +33% synergy
Pulmonic Sliver
33% of 9 decks +33% synergy
Blur Sliver
33% of 9 decks +33% synergy
Striking Sliver
33% of 9 decks +33% synergy
Spiteful Sliver
33% of 9 decks +32% synergy
Sentinel Sliver
33% of 9 decks +32% synergy
Bonescythe Sliver
33% of 9 decks +32% synergy
Three Tree Mascot
33% of 3 decks +32% synergy
Faeburrow Elder
33% of 9 decks +22% synergy
Noble Hierarch
33% of 9 decks +17% synergy
Ignoble Hierarch
33% of 9 decks +8% synergy
Dormant Sliver
30% of 10 decks +30% synergy
Synapse Sliver
30% of 10 decks +29% synergy
Megantic Sliver
30% of 10 decks +29% synergy
Amoeboid Changeling
30% of 10 decks +29% synergy
Brood Sliver
30% of 10 decks +29% synergy
Quick Sliver
30% of 10 decks +29% synergy
Birds of Paradise
30% of 10 decks +3% synergy
Acidic Sliver
22% of 9 decks +22% synergy
Toxin Sliver
22% of 9 decks +22% synergy
Fury Sliver
22% of 9 decks +22% synergy
Homing Sliver
22% of 9 decks +22% synergy
Opaline Sliver
22% of 9 decks +22% synergy
Sinew Sliver
22% of 9 decks +21% synergy
Zirda, the Dawnwaker
22% of 9 decks +20% synergy
Sliver Queen
22% of 9 decks +19% synergy
Esper Sentinel
22% of 9 decks +2% synergy
Reflex Sliver
20% of 10 decks +20% synergy
Fungus Sliver
20% of 10 decks +20% synergy
Tempered Sliver
20% of 10 decks +20% synergy
Horned Sliver
20% of 10 decks +20% synergy
Muscle Sliver
20% of 10 decks +19% synergy
Winged Sliver
20% of 10 decks +19% synergy
Kinnan, Bonder Prodigy
20% of 10 decks +16% synergy
Realmwalker
20% of 10 decks +14% synergy
Bloom Tender
20% of 10 decks +12% synergy
Sage of the Maze
17% of 6 decks +15% synergy
Instants
Worldly Tutor
40% of 10 decks +26% synergy
Cyclonic Rift
40% of 10 decks +12% synergy
Heroic Intervention
40% of 10 decks +10% synergy
Eladamri's Call
33% of 9 decks +22% synergy
Enlightened Tutor
33% of 9 decks +16% synergy
Chord of Calling
30% of 10 decks +24% synergy
Flusterstorm
30% of 10 decks +23% synergy
Force of Will
30% of 10 decks +19% synergy
Mystical Tutor
30% of 10 decks +15% synergy
Swan Song
30% of 10 decks +13% synergy
Fierce Guardianship
30% of 10 decks +12% synergy
Fire Covenant
22% of 9 decks +19% synergy
Vampiric Tutor
22% of 9 decks +4% synergy
Mana Drain
20% of 10 decks +5% synergy
An Offer You Can't Refuse
20% of 10 decks -1% synergy
Revitalizing Repast
17% of 6 decks +4% synergy
Join Shields
11% of 9 decks +11% synergy
Murder
11% of 9 decks +8% synergy
Tainted Pact
11% of 9 decks +7% synergy
Pyroblast
11% of 9 decks +5% synergy
Red Elemental Blast
11% of 9 decks +4% synergy
Abrupt Decay
11% of 9 decks +1% synergy
Void Rend
11% of 9 decks -4% synergy
Teferi's Protection
11% of 9 decks -9% synergy
Assassin's Trophy
11% of 9 decks -19% synergy
Chaos Warp
11% of 9 decks -21% synergy
Path to Exile
11% of 9 decks -34% synergy
Swords to Plowshares
11% of 9 decks -52% synergy
Devious Cover-Up
10% of 10 decks +10% synergy
Synthetic Destiny
10% of 10 decks +10% synergy
Insidious Will
10% of 10 decks +9% synergy
Sinister Sabotage
10% of 10 decks +9% synergy
Long-Term Plans
10% of 10 decks +9% synergy
Blessed Respite
10% of 10 decks +9% synergy
Jaheira's Respite
10% of 10 decks +9% synergy
Mana Leak
10% of 10 decks +8% synergy
Rewind
10% of 10 decks +7% synergy
Aetherize
10% of 10 decks +5% synergy
Mental Misstep
10% of 10 decks +4% synergy
Veil of Summer
10% of 10 decks +4% synergy
Krosan Grip
10% of 10 decks +2% synergy
Arcane Denial
10% of 10 decks -10% synergy
Counterspell
10% of 10 decks -33% synergy
Sorceries
Demonic Tutor
56% of 9 decks +33% synergy
Distant Melody
50% of 10 decks +45% synergy
Farseek
50% of 10 decks +16% synergy
Nature's Lore
40% of 10 decks +8% synergy
Three Visits
30% of 10 decks +5% synergy
Cultivate
30% of 10 decks -16% synergy
Pact of the Serpent
22% of 9 decks +20% synergy
Imperial Seal
22% of 9 decks +16% synergy
Diabolic Tutor
22% of 9 decks +16% synergy
Rite of Replication
20% of 10 decks +17% synergy
Kodama's Reach
20% of 10 decks -12% synergy
Raise the Palisade
12% of 8 decks +9% synergy
Illicit Shipment
11% of 9 decks +11% synergy
Doomsday
11% of 9 decks +11% synergy
Pilfered Plans
11% of 9 decks +10% synergy
Mythos of Illuna
11% of 9 decks +10% synergy
Dreadbore
11% of 9 decks +9% synergy
Profane Tutor
11% of 9 decks +8% synergy
Patriarch's Bidding
11% of 9 decks +8% synergy
In Garruk's Wake
11% of 9 decks +8% synergy
Kindred Dominance
11% of 9 decks +7% synergy
Last March of the Ents
11% of 9 decks +6% synergy
Wheel of Fortune
11% of 9 decks +6% synergy
Genesis Ultimatum
11% of 9 decks +5% synergy
Diabolic Intent
11% of 9 decks +2% synergy
Ruinous Ultimatum
11% of 9 decks -7% synergy
Blasphemous Act
11% of 9 decks -22% synergy
Peer Pressure
10% of 10 decks +10% synergy
Void Snare
10% of 10 decks +10% synergy
Time Spiral
10% of 10 decks +9% synergy
Clear the Mind
10% of 10 decks +9% synergy
Grow from the Ashes
10% of 10 decks +9% synergy
Ancestral Vision
10% of 10 decks +9% synergy
Tooth and Nail
10% of 10 decks +8% synergy
Harvest Season
10% of 10 decks +8% synergy
Circuitous Route
10% of 10 decks +8% synergy
Genesis Wave
10% of 10 decks +8% synergy
Eldritch Evolution
10% of 10 decks +5% synergy
Neoform
10% of 10 decks +5% synergy
Green Sun's Zenith
10% of 10 decks +4% synergy
Windfall
10% of 10 decks -3% synergy
Utility Artifacts
Maskwood Nexus
40% of 10 decks +37% synergy
Ashnod's Altar
40% of 10 decks +32% synergy
Heartstone
30% of 10 decks +29% synergy
The One Ring
22% of 9 decks +13% synergy
Bolas's Citadel
22% of 9 decks +13% synergy
Cryptic Gateway
20% of 10 decks +20% synergy
Herald's Horn
20% of 10 decks +14% synergy
Skullclamp
20% of 10 decks +8% synergy
Realmbreaker, the Invasion Tree
11% of 9 decks +10% synergy
Halo Fountain
11% of 9 decks +8% synergy
Fist of Suns
11% of 9 decks +4% synergy
Hivestone
10% of 10 decks +10% synergy
Orbs of Warding
10% of 10 decks +10% synergy
Feldon's Cane
10% of 10 decks +10% synergy
Aether Vial
10% of 10 decks +10% synergy
Pyre of Heroes
10% of 10 decks +9% synergy
Amulet of Vigor
10% of 10 decks +9% synergy
Cloudstone Curio
10% of 10 decks +9% synergy
Vedalken Orrery
10% of 10 decks +9% synergy
Door of Destinies
10% of 10 decks +8% synergy
Coat of Arms
10% of 10 decks +8% synergy
Thousand-Year Elixir
10% of 10 decks +8% synergy
Birthing Pod
10% of 10 decks +7% synergy
Aetherflux Reservoir
10% of 10 decks +6% synergy
Phyrexian Altar
10% of 10 decks +6% synergy
Vanquisher's Banner
10% of 10 decks +6% synergy
Sensei's Divining Top
10% of 10 decks +4% synergy
Swiftfoot Boots
10% of 10 decks -18% synergy
Enchantments
Leyline of the Guildpact
43% of 7 decks +19% synergy
Kindred Discovery
40% of 10 decks +33% synergy
Arcane Adaptation
30% of 10 decks +29% synergy
Intruder Alarm
30% of 10 decks +28% synergy
Freed from the Real
30% of 10 decks +28% synergy
Mystic Remora
30% of 10 decks +12% synergy
Rhystic Study
30% of 10 decks +2% synergy
Impact Tremors
22% of 9 decks +13% synergy
Aluren
20% of 10 decks +20% synergy
Survival of the Fittest
20% of 10 decks +18% synergy
Cryptolith Rite
20% of 10 decks +16% synergy
Carpet of Flowers
20% of 10 decks +16% synergy
Leyline of Anticipation
20% of 10 decks +15% synergy
Reflections of Littjara
20% of 10 decks +15% synergy
Doubling Season
20% of 10 decks +11% synergy
Elven Chorus
12% of 8 decks +8% synergy
Leyline of the Meek
11% of 9 decks +11% synergy
Enduring Renewal
11% of 9 decks +11% synergy
Leyline of Lightning
11% of 9 decks +11% synergy
Guilty Conscience
11% of 9 decks +11% synergy
Leyline of Combustion
11% of 9 decks +11% synergy
Leyline of Sanctity
11% of 9 decks +11% synergy
Conspiracy
11% of 9 decks +11% synergy
Leyline of the Void
11% of 9 decks +10% synergy
All Will Be One
11% of 9 decks +8% synergy
Necropotence
11% of 9 decks +6% synergy
Underworld Breach
11% of 9 decks +5% synergy
Maelstrom Nexus
11% of 9 decks +3% synergy
Aura Shards
11% of 9 decks +2% synergy
Mirari's Wake
11% of 9 decks -3% synergy
Rhythm of the Wild
11% of 9 decks -12% synergy
Faces of the Past
10% of 10 decks +10% synergy
Parallel Thoughts
10% of 10 decks +10% synergy
Leyline of Lifeforce
10% of 10 decks +10% synergy
Unnatural Selection
10% of 10 decks +10% synergy
Scuttletide
10% of 10 decks +10% synergy
Leyline of Vitality
10% of 10 decks +10% synergy
Call to the Kindred
10% of 10 decks +10% synergy
Copy Enchantment
10% of 10 decks +9% synergy
Pemmin's Aura
10% of 10 decks +9% synergy
Mana Reflection
10% of 10 decks +8% synergy
Mirrormade
10% of 10 decks +8% synergy
Defense of the Heart
10% of 10 decks +7% synergy
Asceticism
10% of 10 decks +7% synergy
Primal Vigor
10% of 10 decks +7% synergy
Elemental Bond
10% of 10 decks +5% synergy
Parallel Lives
10% of 10 decks +3% synergy
Utility Lands
Three Tree City
67% of 6 decks +56% synergy
Gaea's Cradle
30% of 10 decks +24% synergy
Thran Portal
20% of 10 decks +20% synergy
Maze's End
20% of 10 decks +19% synergy
Baldur's Gate
20% of 10 decks +19% synergy
Yavimaya, Cradle of Growth
20% of 10 decks +11% synergy
Urborg, Tomb of Yawgmoth
20% of 10 decks +10% synergy
Reliquary Tower
20% of 10 decks -9% synergy
The Black Gate
12% of 8 decks +9% synergy
Volrath's Stronghold
11% of 9 decks +10% synergy
Mortuary Mire
11% of 9 decks +6% synergy
Basilisk Gate
10% of 10 decks +9% synergy
Yavimaya Hollow
10% of 10 decks +9% synergy
Cascading Cataracts
10% of 10 decks +9% synergy
Lotus Field
10% of 10 decks +9% synergy
Command Beacon
10% of 10 decks +5% synergy
Ancient Tomb
10% of 10 decks -1% synergy
Mana Artifacts
Arcane Signet
90% of 10 decks +18% synergy
Sol Ring
90% of 10 decks +6% synergy
Chromatic Lantern
50% of 10 decks +40% synergy
Patchwork Banner
50% of 4 decks +39% synergy
Fellwar Stone
30% of 10 decks +9% synergy
Chromatic Orrery
20% of 10 decks +18% synergy
Mox Diamond
20% of 10 decks +16% synergy
Chrome Mox
20% of 10 decks +14% synergy
Timeless Lotus
11% of 9 decks -3% synergy
Mox Tantalite
10% of 10 decks +10% synergy
Lotus Bloom
10% of 10 decks +9% synergy
Lotus Petal
10% of 10 decks +3% synergy
Mana Crypt
10% of 10 decks +1% synergy
Talisman of Curiosity
10% of 10 decks -2% synergy
Mind Stone
10% of 10 decks -7% synergy
Lands
Command Tower
80% of 10 decks +6% synergy
Cavern of Souls
70% of 10 decks +63% synergy
Overgrown Tomb
56% of 9 decks +13% synergy
Sliver Hive
50% of 10 decks +50% synergy
Mana Confluence
50% of 10 decks +43% synergy
City of Brass
50% of 10 decks +42% synergy
Windswept Heath
50% of 10 decks +40% synergy
Polluted Delta
50% of 10 decks +39% synergy
Breeding Pool
50% of 10 decks +9% synergy
Ancient Ziggurat
40% of 10 decks +40% synergy
Secluded Courtyard
40% of 10 decks +35% synergy
Bloodstained Mire
40% of 10 decks +30% synergy
Flooded Strand
40% of 10 decks +29% synergy
Rejuvenating Springs
40% of 10 decks +11% synergy
The World Tree
33% of 9 decks -0% synergy
Blood Crypt
33% of 9 decks -5% synergy
Steam Vents
33% of 9 decks -6% synergy
Temple Garden
33% of 9 decks -7% synergy
Watery Grave
33% of 9 decks -8% synergy
Forbidden Orchard
30% of 10 decks +27% synergy
Unclaimed Territory
30% of 10 decks +25% synergy
Wooded Foothills
30% of 10 decks +20% synergy
Arid Mesa
30% of 10 decks +19% synergy
Scalding Tarn
30% of 10 decks +19% synergy
Marsh Flats
30% of 10 decks +19% synergy
Verdant Catacombs
30% of 10 decks +19% synergy
Misty Rainforest
30% of 10 decks +18% synergy
Path of Ancestry
30% of 10 decks +9% synergy
Exotic Orchard
30% of 10 decks -6% synergy
Cliffgate
22% of 9 decks +20% synergy
Citadel Gate
22% of 9 decks +20% synergy
Black Dragon Gate
22% of 9 decks +20% synergy
Azorius Guildgate
22% of 9 decks +18% synergy
Orzhov Guildgate
22% of 9 decks +18% synergy
Dimir Guildgate
22% of 9 decks +17% synergy
Selesnya Guildgate
22% of 9 decks +17% synergy
Izzet Guildgate
22% of 9 decks +17% synergy
Golgari Guildgate
22% of 9 decks +16% synergy
Plateau
22% of 9 decks +10% synergy
Badlands
22% of 9 decks +9% synergy
Spire Garden
22% of 9 decks -2% synergy
Spectator Seating
22% of 9 decks -3% synergy
Seaside Citadel
22% of 9 decks -4% synergy
Raffine's Tower
22% of 9 decks -6% synergy
Sacred Foundry
22% of 9 decks -14% synergy
Godless Shrine
22% of 9 decks -19% synergy
Hallowed Fountain
22% of 9 decks -19% synergy
Stomping Ground
22% of 9 decks -19% synergy
Heap Gate
20% of 10 decks +19% synergy
Gond Gate
20% of 10 decks +19% synergy