Experiment Kraj + Gilder Bairn + Biomancer's Familiar + Earthen Arms

Experiment Kraj
Gilder Bairn
Biomancer's Familiar
Earthen Arms

Requires
Experiment Kraj must be on the battlefield. Gilder Bairn must be on the battlefield. Biomancer's Familiar must be on the battlefield. Earthen Arms must be in hand. Experiment Kraj does not have summoning sickness. You control at least one Forest or Island. Mana needed: 5
Steps
  1. Activate the Forest or Island by tapping it, adding or .
  2. Cast Earthen Arms for its awaken cost by paying 6, putting two +1/+1 counters on Gilder Bairn, and causing the Forest or Island to become a 0/0 Elemental creature that is still a land, and putting four +1/+1 counters on it.
  3. Activate Experiment Kraj using the Forest or Island's ability by tapping it, adding gu.
  4. Activate Experiment Kraj using Gilder Bairn's ability by paying gu and untapping it, doubling the counters on target permanent.
  5. Repeat from step 3.
Results
Infinite proliferate.

Experiment Kraj
0.09% of 1175 decks 1 decks
Pir, Imaginative Rascal // Toothy, Imaginary Friend
0.04% of 2743 decks 1 decks
Creatures
Danny Pink
100% of 1 decks +98% synergy
Kodama of the West Tree
100% of 2 decks +96% synergy
Thrummingbird
100% of 2 decks +94% synergy
Forgotten Ancient
100% of 2 decks +93% synergy
Kami of Whispered Hopes
100% of 2 decks +92% synergy
Incubation Druid
100% of 2 decks +90% synergy
Evolution Sage
100% of 2 decks +89% synergy
Thallid
50% of 2 decks +50% synergy
Patchwork Crawler
50% of 2 decks +50% synergy
Channeler Initiate
50% of 2 decks +50% synergy
Haruspex
50% of 2 decks +50% synergy
Vigean Hydropon
50% of 2 decks +50% synergy
Kianne, Dean of Substance
50% of 2 decks +50% synergy
Quicksilver Elemental
50% of 2 decks +50% synergy
Morphling
50% of 2 decks +50% synergy
Towashi Guide-Bot
50% of 2 decks +50% synergy
Leech Bonder
50% of 2 decks +50% synergy
Hierophant Bio-Titan
50% of 2 decks +50% synergy
Mercurial Pretender
50% of 2 decks +50% synergy
Whiptongue Hydra
50% of 2 decks +50% synergy
Trygon Prime
50% of 2 decks +50% synergy
Tyrant Guard
50% of 2 decks +50% synergy
Clamavus
50% of 2 decks +50% synergy
Simic Ragworm
50% of 2 decks +50% synergy
Titanoth Rex
50% of 2 decks +50% synergy
Cradle Clearcutter
50% of 2 decks +50% synergy
Old One Eye
50% of 2 decks +50% synergy
Argothian Elder
50% of 2 decks +50% synergy
Viridian Joiner
50% of 2 decks +50% synergy
Triskelion
50% of 2 decks +50% synergy
Crystalline Crawler
50% of 2 decks +50% synergy
Horseshoe Crab
50% of 2 decks +49% synergy
Pili-Pala
50% of 2 decks +49% synergy
Krosan Restorer
50% of 2 decks +49% synergy
Armorcraft Judge
50% of 2 decks +49% synergy
Experiment One
50% of 2 decks +49% synergy
Cloudfin Raptor
50% of 2 decks +49% synergy
Tyranid Prime
50% of 2 decks +49% synergy
Biophagus
50% of 2 decks +49% synergy
Goldberry, River-Daughter
50% of 2 decks +49% synergy
Fauna Shaman
50% of 2 decks +49% synergy
Legolas, Master Archer
50% of 2 decks +49% synergy
Vigor
50% of 2 decks +48% synergy
Duskshell Crawler
50% of 2 decks +48% synergy
Deepglow Skate
50% of 2 decks +47% synergy
Sage of Hours
50% of 2 decks +47% synergy
Marwyn, the Nurturer
50% of 2 decks +47% synergy
Gyre Engineer
50% of 2 decks +46% synergy
Scavenging Ooze
50% of 2 decks +46% synergy
Walking Ballista
50% of 2 decks +46% synergy
Instants
Growth Spiral
100% of 2 decks +57% synergy
Counterspell
100% of 2 decks +49% synergy
Piracy Charm
50% of 2 decks +50% synergy
Dive Down
50% of 2 decks +49% synergy
Solidarity of Heroes
50% of 2 decks +49% synergy
Essence Capture
50% of 2 decks +49% synergy
Planar Incision
50% of 2 decks +48% synergy
Dramatic Reversal
50% of 2 decks +45% synergy
Quandrix Command
50% of 2 decks +45% synergy
Inspiring Call
50% of 2 decks +38% synergy
Rapid Hybridization
50% of 2 decks +24% synergy
Beast Within
50% of 2 decks -3% synergy
Sorceries
Clutch of Currents
100% of 2 decks +100% synergy
Contentious Plan
100% of 2 decks +97% synergy
Ghostform
50% of 2 decks +50% synergy
Threats Undetected
50% of 2 decks +49% synergy
Pir's Whim
50% of 2 decks +49% synergy
Golden Ratio
50% of 2 decks +48% synergy
Body of Research
50% of 2 decks +48% synergy
Tezzeret's Gambit
50% of 2 decks +45% synergy
Rishkar's Expertise
50% of 2 decks +42% synergy
Kodama's Reach
50% of 2 decks +11% synergy
Rampant Growth
50% of 2 decks +8% synergy
Cultivate
50% of 2 decks +0% synergy
Utility Artifacts
Agent's Toolkit
50% of 2 decks +49% synergy
Darksteel Reactor
50% of 2 decks +49% synergy
Lux Cannon
50% of 2 decks +49% synergy
Fractal Harness
50% of 2 decks +49% synergy
Mithril Coat
50% of 2 decks +48% synergy
Lifecrafter's Bestiary
50% of 2 decks +45% synergy
The Ozolith
50% of 2 decks +44% synergy
Ozolith, the Shattered Spire
50% of 2 decks +42% synergy
Swiftfoot Boots
50% of 2 decks +23% synergy
Enchantments
Hardened Scales
100% of 2 decks +86% synergy
Shape of the Wiitigo
50% of 2 decks +50% synergy
Predatory Urge
50% of 2 decks +50% synergy
Parallax Tide
50% of 2 decks +50% synergy
Ooze Flux
50% of 2 decks +50% synergy
New Horizons
50% of 2 decks +50% synergy
Sword Coast Sailor
50% of 2 decks +49% synergy
Death's Presence
50% of 2 decks +49% synergy
Audacity
50% of 2 decks +49% synergy
Master Chef
50% of 2 decks +49% synergy
Colossal Majesty
50% of 2 decks +48% synergy
Shielding Plax
50% of 2 decks +47% synergy
Primal Empathy
50% of 2 decks +47% synergy
Wizard Class
50% of 2 decks +44% synergy
Doubling Season
50% of 2 decks +41% synergy
Branching Evolution
50% of 2 decks +41% synergy
Simic Ascendancy
50% of 2 decks +37% synergy
Planeswalkers
Vivien of the Arkbow
50% of 2 decks +50% synergy
Teferi, Master of Time
50% of 2 decks +48% synergy
Jiang Yanggu, Wildcrafter
50% of 2 decks +48% synergy
Teferi, Temporal Pilgrim
50% of 2 decks +48% synergy
Jace, Wielder of Mysteries
50% of 2 decks +44% synergy
Utility Lands
Treetop Village
50% of 2 decks +49% synergy
Karn's Bastion
50% of 2 decks +39% synergy
Temple of the False God
50% of 2 decks +35% synergy
Reliquary Tower
50% of 2 decks +0% synergy
Mana Artifacts
Everflowing Chalice
100% of 2 decks +95% synergy
Relic of Legends
50% of 2 decks +49% synergy
Astral Cornucopia
50% of 2 decks +47% synergy
Replicating Ring
50% of 2 decks +47% synergy
Decanter of Endless Water
50% of 2 decks +44% synergy
Thought Vessel
50% of 2 decks +30% synergy
Sol Ring
50% of 2 decks -32% synergy
Lands
Tanglepool Bridge
50% of 2 decks +45% synergy
Quandrix Campus
50% of 2 decks +42% synergy
Thornwood Falls
50% of 2 decks +32% synergy
Breeding Pool
50% of 2 decks +5% synergy
Simic Growth Chamber
50% of 2 decks +1% synergy
Yavimaya Coast
50% of 2 decks -3% synergy
Hinterland Harbor
50% of 2 decks -6% synergy
Command Tower
50% of 2 decks -36% synergy