Biomancer's Familiar + Umbral Mantle + Arixmethes, Slumbering Isle

Biomancer's Familiar
Umbral Mantle
Arixmethes, Slumbering Isle

Requires
Biomancer's Familiar must be on the battlefield. Umbral Mantle must be on the battlefield. Arixmethes, Slumbering Isle must be on the battlefield. Arixmethes is a creaure and does not have summoning sickness. Umbral Mantle attached to Arixmethes.
Steps
  1. Activate Arixmethes by tapping it, adding .
  2. Activate Arixmethes by paying 1 and untapping it, giving it +2/+2 until end of turn.
  3. Repeat.
Results
Infinite colored mana. Infinitely large Arixmethes until end of turn.

Kydele, Chosen of Kruphix // Thrasios, Triton Hero
2.17% of 368 decks 8 decks
The Pride of Hull Clade
0.18% of 2270 decks 4 decks
Arixmethes, Slumbering Isle
0.11% of 3701 decks 4 decks
Kinnan, Bonder Prodigy
0.02% of 12348 decks 3 decks
Alena, Kessig Trapper // Thrasios, Triton Hero
2.82% of 71 decks 2 decks
Kenrith, the Returned King
0.01% of 21799 decks 2 decks
Kenessos, Priest of Thassa
0.05% of 4131 decks 2 decks
Tazri, Stalwart Survivor
0.11% of 1861 decks 2 decks
Experiment Kraj
0.17% of 1175 decks 2 decks
Momir Vig, Simic Visionary
0.10% of 1019 decks 1 decks
Gretchen Titchwillow
0.11% of 885 decks 1 decks
Thrasios, Triton Hero // Vial Smasher the Fierce
0.03% of 3565 decks 1 decks
Zaxara, the Exemplary
0.01% of 12060 decks 1 decks
Kodama of the East Tree // Thrasios, Triton Hero
0.39% of 254 decks 1 decks
High Synergy Cards
Freed from the Real
62% of 34 decks +60% synergy
Training Grounds
59% of 34 decks +56% synergy
Pemmin's Aura
50% of 34 decks +49% synergy
Kiora's Follower
47% of 34 decks +41% synergy
Gyre Engineer
41% of 34 decks +40% synergy
Staff of Domination
41% of 34 decks +39% synergy
Swords to Plowshares
100% of 4 decks +37% synergy
Seedborn Muse
44% of 34 decks +36% synergy
Kinnan, Bonder Prodigy
38% of 34 decks +34% synergy
Reliquary Tower
62% of 34 decks +32% synergy
Top Cards
Cultivate
56% of 34 decks +10% synergy
Counterspell
53% of 34 decks +10% synergy
Rampant Growth
50% of 34 decks +15% synergy
Kodama's Reach
47% of 34 decks +16% synergy
Growth Spiral
44% of 34 decks +22% synergy
Lightning Greaves
44% of 34 decks +19% synergy
Birds of Paradise
44% of 34 decks +17% synergy
Beast Within
41% of 34 decks +3% synergy
Swiftfoot Boots
38% of 34 decks +10% synergy
Nature's Lore
38% of 34 decks +6% synergy
Creatures
Jegantha, the Wellspring
75% of 4 decks +69% synergy
Incubation Druid
35% of 34 decks +30% synergy
Llanowar Elves
32% of 34 decks +11% synergy
Omen Hawker
32% of 22 decks +31% synergy
Ioreth of the Healing House
32% of 19 decks +30% synergy
Vizier of Tumbling Sands
29% of 34 decks +28% synergy
Bedrock Tortoise
27% of 15 decks +26% synergy
Murkfiend Liege
26% of 34 decks +22% synergy
Tatyova, Benthic Druid
26% of 34 decks +14% synergy
Laboratory Maniac
24% of 34 decks +19% synergy
Koma, Cosmos Serpent
24% of 34 decks +18% synergy
Aesi, Tyrant of Gyre Strait
24% of 34 decks +17% synergy
Bloom Tender
24% of 34 decks +16% synergy
Elvish Mystic
24% of 34 decks +6% synergy
Kelpie Guide
21% of 33 decks +20% synergy
Arcanis the Omnipotent
21% of 34 decks +19% synergy
Ilysian Caryatid
21% of 34 decks +18% synergy
Thassa's Oracle
21% of 34 decks +13% synergy
Fyndhorn Elves
21% of 34 decks +8% synergy
Maraleaf Pixie
18% of 34 decks +16% synergy
Walking Ballista
18% of 34 decks +15% synergy
Psychosis Crawler
18% of 34 decks +15% synergy
Nezahal, Primal Tide
18% of 34 decks +14% synergy
Azusa, Lost but Seeking
18% of 34 decks +10% synergy
Gretchen Titchwillow
16% of 32 decks +15% synergy
Hullbreaker Horror
16% of 32 decks +8% synergy
Tireless Provisioner
16% of 32 decks +4% synergy
Spawning Kraken
15% of 33 decks +14% synergy
Knacksaw Clique
15% of 34 decks +15% synergy
Ley Weaver
15% of 34 decks +15% synergy
Voyaging Satyr
15% of 34 decks +14% synergy
Charix, the Raging Isle
15% of 34 decks +14% synergy
Crashing Drawbridge
15% of 34 decks +13% synergy
Tishana, Voice of Thunder
15% of 34 decks +13% synergy
Kruphix, God of Horizons
15% of 34 decks +13% synergy
Paradise Druid
15% of 34 decks +12% synergy
Devoted Druid
15% of 34 decks +12% synergy
Hydroid Krasis
15% of 34 decks +10% synergy
Arbor Elf
15% of 34 decks +8% synergy
Lotus Cobra
15% of 34 decks +7% synergy
Sakura-Tribe Elder
15% of 34 decks -4% synergy
Eternal Witness
15% of 34 decks -6% synergy
Walking Bulwark
14% of 29 decks +14% synergy
Kami of Whispered Hopes
14% of 22 decks +6% synergy
Zimone, Quandrix Prodigy
12% of 33 decks +11% synergy
Krosan Restorer
12% of 34 decks +11% synergy
Vine Trellis
12% of 34 decks +11% synergy
Wall of Runes
12% of 34 decks +11% synergy
Magus of the Candelabra
12% of 34 decks +11% synergy
Tromokratis
12% of 34 decks +11% synergy
Instants
Generous Gift
75% of 4 decks +49% synergy
Brainstorm
29% of 34 decks +8% synergy
Negate
29% of 34 decks +7% synergy
Archdruid's Charm
27% of 11 decks +20% synergy
Dramatic Reversal
26% of 34 decks +21% synergy
Heroic Intervention
26% of 34 decks -3% synergy
Pongify
21% of 34 decks +9% synergy
Arcane Denial
21% of 34 decks +1% synergy
An Offer You Can't Refuse
19% of 32 decks -2% synergy
Blue Sun's Zenith
18% of 34 decks +15% synergy
Worldly Tutor
18% of 34 decks +4% synergy
Cyclonic Rift
18% of 34 decks -10% synergy
Simic Charm
15% of 34 decks +11% synergy
Return to Nature
15% of 34 decks +8% synergy
Nature's Claim
15% of 34 decks +5% synergy
Fact or Fiction
12% of 34 decks +5% synergy
Reality Shift
12% of 34 decks +3% synergy
Frantic Search
12% of 34 decks -0% synergy
Joint Exploration
10% of 29 decks +7% synergy
Resculpt
9% of 33 decks +4% synergy
Condescend
9% of 34 decks +8% synergy
Stroke of Genius
9% of 34 decks +8% synergy
Unwind
9% of 34 decks +6% synergy
Rewind
9% of 34 decks +6% synergy
Pull from Tomorrow
9% of 34 decks +6% synergy
Spell Pierce
9% of 34 decks +5% synergy
Dispel
9% of 34 decks +4% synergy
Muddle the Mixture
9% of 34 decks +4% synergy
Dig Through Time
9% of 34 decks +4% synergy
Rapid Hybridization
9% of 34 decks -1% synergy
Return of the Wildspeaker
9% of 34 decks -4% synergy
Mystical Tutor
9% of 34 decks -6% synergy
Sorceries
Farseek
29% of 34 decks -5% synergy
Windfall
18% of 34 decks +5% synergy
Whelming Wave
15% of 34 decks +13% synergy
Fabricate
15% of 34 decks +9% synergy
Finale of Devastation
15% of 34 decks +6% synergy
Preordain
15% of 34 decks +4% synergy
Three Visits
15% of 34 decks -10% synergy
Green Sun's Twilight
12% of 24 decks +11% synergy
Body of Research
12% of 33 decks +12% synergy
Serum Visions
12% of 34 decks +7% synergy
Explore
12% of 34 decks +3% synergy
Rishkar's Expertise
12% of 34 decks +1% synergy
Ponder
12% of 34 decks -1% synergy
Finale of Revelation
9% of 34 decks +7% synergy
Traverse the Outlands
9% of 34 decks +6% synergy
Regrowth
9% of 34 decks +5% synergy
Urban Evolution
9% of 34 decks +5% synergy
Overwhelming Stampede
9% of 34 decks +3% synergy
Green Sun's Zenith
9% of 34 decks +3% synergy
Utility Artifacts
Sword of the Paruns
24% of 34 decks +23% synergy
Thousand-Year Elixir
24% of 34 decks +21% synergy
Heartstone
18% of 34 decks +17% synergy
Monster Manual
17% of 30 decks +14% synergy
Conduit of Worlds
17% of 24 decks +10% synergy
Illusionist's Bracers
15% of 34 decks +13% synergy
Rings of Brighthearth
12% of 34 decks +10% synergy
Isochron Scepter
12% of 34 decks +9% synergy
Moonsilver Key
9% of 32 decks +8% synergy
Fireshrieker
9% of 34 decks +7% synergy
Alhammarret's Archive
9% of 34 decks +7% synergy
Sensei's Divining Top
9% of 34 decks +3% synergy
The Great Henge
9% of 34 decks -1% synergy
Enchantments
Rhythm of the Wild
43% of 7 decks +19% synergy
Utopia Sprawl
24% of 34 decks +16% synergy
Leyline of Abundance
18% of 34 decks +16% synergy
Wilderness Reclamation
18% of 34 decks +14% synergy
Elven Chorus
18% of 17 decks +13% synergy
Leyline of Anticipation
15% of 34 decks +10% synergy
Wizard Class
12% of 32 decks +8% synergy
Quest for Ula's Temple
12% of 34 decks +11% synergy
Mana Reflection
12% of 34 decks +10% synergy
Intruder Alarm
12% of 34 decks +10% synergy
Retreat to Coralhelm
12% of 34 decks +9% synergy
Ominous Seas
12% of 34 decks +9% synergy
Fertile Ground
12% of 34 decks +8% synergy
Teferi's Ageless Insight
12% of 34 decks +7% synergy
Simic Ascendancy
12% of 34 decks +6% synergy
Guardian Project
12% of 34 decks +3% synergy
Wild Growth
12% of 34 decks +1% synergy
Treefolk Umbra
9% of 34 decks +8% synergy
Instill Energy
9% of 34 decks +8% synergy
Carpet of Flowers
9% of 34 decks +5% synergy
Aqueous Form
9% of 34 decks +5% synergy
Exploration
9% of 34 decks +0% synergy
Garruk's Uprising
9% of 34 decks -7% synergy
Mystic Remora
9% of 34 decks -9% synergy
Planeswalkers
Tyvar, Jubilant Brawler
75% of 4 decks +70% synergy
Jace, Wielder of Mysteries
18% of 34 decks +14% synergy
Kiora, Behemoth Beckoner
18% of 34 decks +14% synergy
Kiora, Master of the Depths
12% of 34 decks +11% synergy
Utility Lands
Alchemist's Refuge
38% of 34 decks +32% synergy
Minamo, School at Water's Edge
21% of 34 decks +16% synergy
Yavimaya, Cradle of Growth
19% of 32 decks +9% synergy
Rogue's Passage
18% of 34 decks -2% synergy
Otawara, Soaring City
16% of 32 decks -1% synergy
Boseiju, Who Endures
12% of 32 decks -7% synergy
Mystic Sanctuary
12% of 34 decks -0% synergy
Access Tunnel
9% of 33 decks +7% synergy
Lotus Field
9% of 34 decks +8% synergy
Thespian's Stage
9% of 34 decks +6% synergy
Castle Vantress
9% of 34 decks +5% synergy
Temple of the False God
9% of 34 decks -1% synergy
Mosswort Bridge
9% of 34 decks -2% synergy
Mana Artifacts
Sol Ring
85% of 34 decks +1% synergy
Arcane Signet
62% of 34 decks -10% synergy
Basalt Monolith
35% of 34 decks +33% synergy
Thought Vessel
32% of 34 decks +15% synergy
Talisman of Curiosity
26% of 34 decks +14% synergy
Simic Signet
21% of 34 decks +6% synergy
Decanter of Endless Water
20% of 30 decks +15% synergy
Fellwar Stone
18% of 34 decks -3% synergy
Gilded Lotus
12% of 34 decks +8% synergy
Chromatic Lantern
12% of 34 decks +2% synergy
Mox Amber
9% of 34 decks +5% synergy
Commander's Sphere
9% of 34 decks -6% synergy
Lands
Command Tower
71% of 34 decks -3% synergy
Hinterland Harbor
65% of 34 decks +37% synergy
Overflowing Basin
57% of 7 decks +47% synergy
Frontier Bivouac
57% of 7 decks +30% synergy
Opulent Palace
50% of 6 decks +23% synergy
Hedge Maze
46% of 13 decks +32% synergy
Simic Growth Chamber
44% of 34 decks +24% synergy
Ketria Triome
43% of 7 decks +10% synergy
Breeding Pool
41% of 34 decks +0% synergy
Dreamroot Cascade
38% of 32 decks +19% synergy
Yavimaya Coast
35% of 34 decks +9% synergy
Exotic Orchard
32% of 34 decks -3% synergy
Rejuvenating Springs
29% of 34 decks +1% synergy
Escape Tunnel
27% of 11 decks +25% synergy
Vineglimmer Snarl
27% of 33 decks +17% synergy
Temple of Mystery
26% of 34 decks +9% synergy
Evolving Wilds
24% of 34 decks +3% synergy
Tangled Islet
21% of 29 decks +13% synergy
Flooded Grove
21% of 34 decks +8% synergy
Myriad Landscape
21% of 34 decks +1% synergy
Misty Rainforest
18% of 34 decks +6% synergy
Terramorphic Expanse
18% of 34 decks +2% synergy
Botanical Sanctum
15% of 34 decks +11% synergy
Thornwood Falls
15% of 34 decks +7% synergy
Barkchannel Pathway
12% of 34 decks +3% synergy
Rimewood Falls
9% of 34 decks +4% synergy
Waterlogged Grove
9% of 34 decks +1% synergy
Fabled Passage
9% of 34 decks -0% synergy
Verdant Catacombs
9% of 34 decks -3% synergy