Gilder Bairn + Crystalline Crawler + Paradise Mantle

Gilder Bairn
Crystalline Crawler
Paradise Mantle

Requires
Gilder Bairn must be on the battlefield. Crystalline Crawler must be on the battlefield. Paradise Mantle must be on the battlefield. Crystalline Crawler has at least three +1/+1 counters on it. Gilder Bairn does not have summoning sickness. Paradise Mantle attached to Gilder Bairn. Mana needed: 2
Steps
  1. Activate Gilder Bairn by tapping it, adding gu.
  2. Activate Gilder Bairn by paying 2gu and untapping it, doubling each counter on Crystalline Crawler.
  3. Activate Crystalline Crawler's first ability twice by removing two +1/+1 counters from it, adding 2.
  4. Repeat.
  5. Once you have infinite +1/+1 counters on Crystalline Crawler, you may instead double the counters on any other permanent(s).
Results
Infinite +1/+1 counters on Crystalline Crawler. Infinite colored mana. Infinite proliferate.

Atraxa, Praetors' Voice
0.01% of 35211 decks 5 decks
Vorel of the Hull Clade
0.14% of 2082 decks 3 decks
Ezuri, Stalker of Spheres
0.06% of 3420 decks 2 decks
Tazri, Stalwart Survivor
0.06% of 1780 decks 1 decks
Garth One-Eye
0.02% of 4123 decks 1 decks
Kros, Defense Contractor
0.04% of 2303 decks 1 decks
Indominus Rex, Alpha
0.02% of 4628 decks 1 decks
Me, the Immortal
0.06% of 1593 decks 1 decks
Animar, Soul of Elements
0.01% of 15877 decks 1 decks
Experiment Kraj
0.09% of 1176 decks 1 decks
The Wise Mothman
0.01% of 12479 decks 1 decks
Sliver Hivelord
0.04% of 2679 decks 1 decks
High Synergy Cards
Training Grounds
68% of 19 decks +66% synergy
Simic Ascendancy
58% of 19 decks +52% synergy
Doubling Season
58% of 19 decks +49% synergy
Evolution Sage
53% of 19 decks +46% synergy
Inexorable Tide
42% of 19 decks +39% synergy
Tekuthal, Inquiry Dominus
42% of 12 decks +39% synergy
Nesting Grounds
39% of 18 decks +37% synergy
Leech Bonder
37% of 19 decks +37% synergy
Deepglow Skate
37% of 19 decks +35% synergy
Agatha's Soul Cauldron
36% of 11 decks +35% synergy
Top Cards
Everflowing Chalice
47% of 19 decks +43% synergy
Teferi's Protection
44% of 9 decks +24% synergy
Astral Cornucopia
42% of 19 decks +41% synergy
Hardened Scales
42% of 19 decks +33% synergy
Freed from the Real
37% of 19 decks +35% synergy
Cryptolith Rite
37% of 19 decks +33% synergy
Fathom Mage
37% of 19 decks +33% synergy
Forgotten Ancient
37% of 19 decks +31% synergy
Farseek
37% of 19 decks +3% synergy
Counterspell
37% of 19 decks -6% synergy
Creatures
Nils, Discipline Enforcer
38% of 8 decks +37% synergy
Vorel of the Hull Clade
32% of 19 decks +29% synergy
Thrummingbird
32% of 19 decks +28% synergy
Birds of Paradise
32% of 19 decks +5% synergy
Reyhan, Last of the Abzan
30% of 10 decks +29% synergy
Corpsejack Menace
30% of 10 decks +25% synergy
Goldberry, River-Daughter
27% of 11 decks +26% synergy
Pir, Imaginative Rascal
26% of 19 decks +25% synergy
Biomancer's Familiar
26% of 19 decks +24% synergy
Flux Channeler
26% of 19 decks +23% synergy
Master Biomancer
26% of 19 decks +23% synergy
Gyre Sage
26% of 19 decks +22% synergy
Incubation Druid
26% of 19 decks +21% synergy
Seedborn Muse
26% of 19 decks +18% synergy
Cankerbloom
25% of 12 decks +18% synergy
Kami of Whispered Hopes
25% of 12 decks +17% synergy
Vorinclex, Monstrous Raider
22% of 18 decks +18% synergy
Kinnan, Bonder Prodigy
22% of 18 decks +18% synergy
Knacksaw Clique
21% of 19 decks +21% synergy
Pili-Pala
21% of 19 decks +21% synergy
Kalonian Hydra
21% of 19 decks +18% synergy
Rishkar, Peema Renegade
21% of 19 decks +16% synergy
Myojin of Towering Might
19% of 16 decks +18% synergy
Park Heights Maverick
19% of 16 decks +18% synergy
Slippery Bogbonder
17% of 18 decks +15% synergy
Spike Weaver
16% of 19 decks +16% synergy
Mindless Automaton
16% of 19 decks +16% synergy
Sage of Hours
16% of 19 decks +15% synergy
Zameck Guildmage
16% of 19 decks +15% synergy
Toothy, Imaginary Friend
16% of 19 decks +15% synergy
Merfolk Skydiver
16% of 19 decks +14% synergy
Herald of Secret Streams
16% of 19 decks +13% synergy
Scavenging Ooze
16% of 19 decks +12% synergy
Chasm Skulker
16% of 19 decks +12% synergy
Champion of Lambholt
16% of 19 decks +9% synergy
Instants
Ripples of Potential
75% of 4 decks +72% synergy
Experimental Augury
33% of 12 decks +30% synergy
Mana Drain
26% of 19 decks +11% synergy
Cyclonic Rift
26% of 19 decks -2% synergy
Heroic Intervention
26% of 19 decks -3% synergy
Serum Snare
25% of 12 decks +24% synergy
Worldly Tutor
21% of 19 decks +7% synergy
Inspiring Call
16% of 19 decks +8% synergy
Negate
16% of 19 decks -7% synergy
Sorceries
Cultivate
37% of 19 decks -10% synergy
Contentious Plan
21% of 19 decks +19% synergy
Tezzeret's Gambit
21% of 19 decks +17% synergy
Skyshroud Claim
16% of 19 decks +7% synergy
Kodama's Reach
16% of 19 decks -16% synergy
Nature's Lore
16% of 19 decks -16% synergy
Rampant Growth
16% of 19 decks -19% synergy
Utility Artifacts
The Millennium Calendar
50% of 6 decks +49% synergy
Contagion Engine
32% of 19 decks +31% synergy
Swiftfoot Boots
32% of 19 decks +4% synergy
Darksteel Reactor
26% of 19 decks +26% synergy
Umbral Mantle
26% of 19 decks +25% synergy
Contagion Clasp
26% of 19 decks +25% synergy
The Ozolith
22% of 18 decks +19% synergy
Thousand-Year Elixir
21% of 19 decks +19% synergy
The Great Henge
21% of 19 decks +11% synergy
Magistrate's Scepter
16% of 19 decks +16% synergy
Animation Module
16% of 19 decks +15% synergy
Power Conduit
16% of 19 decks +15% synergy
Enchantments
Brokers Ascendancy
38% of 8 decks +30% synergy
Cathars' Crusade
33% of 9 decks +28% synergy
Smothering Tithe
33% of 9 decks +8% synergy
Rhystic Study
26% of 19 decks -2% synergy
Pemmin's Aura
16% of 19 decks +15% synergy
Sylvan Library
16% of 19 decks +4% synergy
Planeswalkers
Tamiyo, Field Researcher
33% of 9 decks +29% synergy
Garruk, Apex Predator
30% of 10 decks +29% synergy
Jiang Yanggu, Wildcrafter
16% of 19 decks +15% synergy
Nissa, Voice of Zendikar
16% of 19 decks +15% synergy
Utility Lands
Karn's Bastion
37% of 19 decks +32% synergy
Urborg, Tomb of Yawgmoth
21% of 19 decks +11% synergy
Boseiju, Who Endures
19% of 16 decks -1% synergy
Temple of the False God
16% of 19 decks +6% synergy
Reliquary Tower
16% of 19 decks -14% synergy
Mana Artifacts
Sol Ring
79% of 19 decks -6% synergy
Arcane Signet
47% of 19 decks -25% synergy
Pentad Prism
32% of 19 decks +31% synergy
Gemstone Array
26% of 19 decks +26% synergy
Simic Signet
21% of 19 decks +6% synergy
Empowered Autogenerator
16% of 19 decks +15% synergy
Chromatic Lantern
16% of 19 decks +6% synergy
Commander's Sphere
16% of 19 decks +0% synergy
Lands
Command Tower
74% of 19 decks -0% synergy
Breeding Pool
68% of 19 decks +27% synergy
Watery Grave
60% of 10 decks +19% synergy
Overgrown Tomb
60% of 10 decks +17% synergy
Temple Garden
56% of 9 decks +15% synergy
Hallowed Fountain
56% of 9 decks +15% synergy
Exotic Orchard
47% of 19 decks +12% synergy
Seaside Citadel
44% of 9 decks +18% synergy
Prairie Stream
44% of 9 decks +11% synergy
Sunken Hollow
40% of 10 decks +5% synergy
Murmuring Bosk
38% of 8 decks +30% synergy
Godless Shrine
38% of 8 decks -3% synergy
Misty Rainforest
37% of 19 decks +25% synergy
Undergrowth Stadium
33% of 9 decks +7% synergy
Rejuvenating Springs
33% of 18 decks +5% synergy
Zagoth Triome
33% of 9 decks +3% synergy
Canopy Vista
33% of 9 decks -3% synergy
Opulent Palace
30% of 10 decks +3% synergy
Dreamroot Cascade
29% of 17 decks +11% synergy
Fabled Passage
26% of 19 decks +17% synergy
Polluted Delta
21% of 19 decks +10% synergy
Yavimaya Coast
21% of 19 decks -5% synergy
Hinterland Harbor
21% of 19 decks -6% synergy
Vineglimmer Snarl
17% of 18 decks +6% synergy
Windswept Heath
16% of 19 decks +5% synergy
Flooded Strand
16% of 19 decks +5% synergy
Verdant Catacombs
16% of 19 decks +4% synergy
Simic Growth Chamber
16% of 19 decks -4% synergy
Path of Ancestry
16% of 19 decks -5% synergy