Gyre Engineer + Umbral Mantle + Biomancer's Familiar

Gyre Engineer
Umbral Mantle
Biomancer's Familiar

Requires
Gyre Engineer must be on the battlefield. Umbral Mantle must be on the battlefield. Biomancer's Familiar must be on the battlefield. Umbral Mantle attached to Gyre Engineer. Gyre Engineer does not have summoning sickness.
Steps
  1. Activate Gyre Engineer by tapping it, adding .
  2. Activate Gyre Engineer by paying 1 and untapping it, giving itself +2/+2 until end of turn.
  3. Repeat.
Results
Infinitely large Gyre Engineer until end of turn. Infinite green mana. Infinite blue mana.

Experiment Kraj
5.11% of 1175 decks 60 decks
Kydele, Chosen of Kruphix // Thrasios, Triton Hero
4.35% of 368 decks 16 decks
Kinnan, Bonder Prodigy
0.13% of 12348 decks 16 decks
Kenrith, the Returned King
0.03% of 21799 decks 6 decks
Zaxara, the Exemplary
0.02% of 12060 decks 3 decks
Momir Vig, Simic Visionary
0.20% of 1019 decks 2 decks
The Pride of Hull Clade
0.04% of 2270 decks 1 decks
Numa, Joraga Chieftain // Thrasios, Triton Hero
33.33% of 3 decks 1 decks
Inga and Esika
0.06% of 1678 decks 1 decks
Gandalf, Westward Voyager
0.12% of 819 decks 1 decks
Arixmethes, Slumbering Isle
0.03% of 3701 decks 1 decks
Niv-Mizzet Reborn
0.02% of 4093 decks 1 decks
Thrasios, Triton Hero // Vial Smasher the Fierce
0.03% of 3565 decks 1 decks
Kenessos, Priest of Thassa
0.02% of 4131 decks 1 decks
Thrasios, Triton Hero
1.02% of 98 decks 1 decks
Tazri, Stalwart Survivor
0.05% of 1861 decks 1 decks
Nadu, Winged Wisdom
0.02% of 5895 decks 1 decks
Volrath, the Shapestealer
0.04% of 2856 decks 1 decks
New Cards
Marvin, Murderous Mimic
88% of 8 decks +84% synergy
High Synergy Cards
Faeburrow Elder
100% of 8 decks +89% synergy
Freed from the Real
72% of 117 decks +70% synergy
Incubation Druid
74% of 117 decks +69% synergy
Pemmin's Aura
58% of 117 decks +57% synergy
Kami of Whispered Hopes
62% of 84 decks +54% synergy
Training Grounds
56% of 117 decks +54% synergy
Kiora's Follower
59% of 117 decks +53% synergy
Pili-Pala
52% of 117 decks +52% synergy
Horseshoe Crab
49% of 117 decks +49% synergy
Gilder Bairn
49% of 117 decks +48% synergy
Top Cards
Counterspell
52% of 117 decks +9% synergy
Gyre Sage
50% of 117 decks +47% synergy
Evolution Witness
50% of 20 decks +45% synergy
Fanatic of Rhonas
50% of 18 decks +41% synergy
Path to Exile
50% of 8 decks +4% synergy
Swords to Plowshares
50% of 8 decks -13% synergy
Swiftfoot Boots
49% of 117 decks +21% synergy
Simic Ragworm
44% of 117 decks +44% synergy
Arcanis the Omnipotent
44% of 117 decks +42% synergy
Murkfiend Liege
44% of 117 decks +40% synergy
Creatures
Agatha of the Vile Cauldron
60% of 5 decks +58% synergy
Ioreth of the Healing House
43% of 60 decks +42% synergy
Vigean Graftmage
43% of 117 decks +43% synergy
Birds of Paradise
43% of 117 decks +16% synergy
Master Biomancer
41% of 117 decks +37% synergy
Pollywog Prodigy
40% of 10 decks +29% synergy
Plaxcaster Frogling
39% of 117 decks +38% synergy
Fathom Mage
39% of 117 decks +35% synergy
Zirda, the Dawnwaker
38% of 8 decks +35% synergy
Noble Hierarch
38% of 8 decks +21% synergy
Rishkar, Peema Renegade
37% of 117 decks +32% synergy
Forgotten Ancient
37% of 117 decks +31% synergy
Zameck Guildmage
36% of 117 decks +35% synergy
Knacksaw Clique
35% of 117 decks +35% synergy
Ilysian Caryatid
35% of 117 decks +33% synergy
Kinnan, Bonder Prodigy
34% of 117 decks +30% synergy
Llanowar Elves
34% of 117 decks +13% synergy
Cytoplast Manipulator
32% of 117 decks +32% synergy
Viridian Joiner
32% of 117 decks +32% synergy
Krosan Restorer
30% of 117 decks +30% synergy
Seedborn Muse
30% of 117 decks +22% synergy
Sage of Hours
28% of 117 decks +28% synergy
Vorel of the Hull Clade
27% of 117 decks +25% synergy
Bloom Tender
27% of 117 decks +19% synergy
Argothian Elder
26% of 117 decks +26% synergy
Fertilid
26% of 117 decks +24% synergy
Herald of Secret Streams
26% of 117 decks +24% synergy
Devoted Druid
26% of 117 decks +24% synergy
Fyndhorn Elves
25% of 117 decks +12% synergy
Farmstead Gleaner
24% of 117 decks +24% synergy
Elvish Mystic
24% of 117 decks +6% synergy
Zaxara, the Exemplary
23% of 13 decks +22% synergy
Oona, Queen of the Fae
23% of 13 decks +22% synergy
Slimefoot, the Stowaway
23% of 13 decks +21% synergy
Renata, Called to the Hunt
22% of 117 decks +20% synergy
Tyranid Prime
21% of 98 decks +20% synergy
Sage of the Maze
21% of 14 decks +20% synergy
Morphling
21% of 117 decks +21% synergy
Thornling
21% of 117 decks +20% synergy
Leech Bonder
21% of 117 decks +20% synergy
Ley Weaver
20% of 117 decks +19% synergy
Simic Manipulator
20% of 117 decks +19% synergy
Triskelion
19% of 117 decks +18% synergy
Marwyn, the Nurturer
19% of 117 decks +16% synergy
Thassa's Oracle
18% of 117 decks +11% synergy
Eternal Witness
18% of 117 decks -3% synergy
Karametra's Acolyte
17% of 117 decks +15% synergy
Selvala, Heart of the Wilds
17% of 117 decks +12% synergy
Defiler of Vigor
17% of 101 decks +13% synergy
Quicksilver Elemental
16% of 117 decks +16% synergy
Instants
Beast Within
44% of 117 decks +5% synergy
Growth Spiral
42% of 117 decks +20% synergy
Eladamri's Call
38% of 8 decks +26% synergy
Inspiring Call
37% of 117 decks +29% synergy
Rapid Hybridization
31% of 117 decks +21% synergy
Cyclonic Rift
29% of 117 decks +1% synergy
Heroic Intervention
27% of 117 decks -2% synergy
Worldly Tutor
26% of 117 decks +12% synergy
Brainstorm
26% of 117 decks +5% synergy
Negate
24% of 117 decks +1% synergy
Dramatic Reversal
23% of 117 decks +18% synergy
Putrefy
23% of 13 decks +7% synergy
Vampiric Tutor
23% of 13 decks +5% synergy
Assassin's Trophy
23% of 13 decks -7% synergy
Krosan Grip
22% of 117 decks +15% synergy
Gaea's Gift
22% of 96 decks +18% synergy
Silkguard
21% of 109 decks +19% synergy
Repulsive Mutation
19% of 26 decks +16% synergy
Voidslime
18% of 117 decks +16% synergy
Mystical Tutor
18% of 117 decks +3% synergy
Simic Charm
17% of 117 decks +13% synergy
Pongify
17% of 117 decks +5% synergy
Fierce Guardianship
17% of 117 decks -1% synergy
An Offer You Can't Refuse
16% of 106 decks -5% synergy
Legolas's Quick Reflexes
16% of 50 decks +13% synergy
Plasm Capture
15% of 117 decks +13% synergy
Chord of Calling
15% of 117 decks +9% synergy
Snakeskin Veil
14% of 115 decks +10% synergy
Return to Nature
14% of 117 decks +7% synergy
Nature's Claim
14% of 117 decks +4% synergy
Mana Drain
14% of 117 decks -2% synergy
Brainsurge
14% of 22 decks +11% synergy
Swan Song
13% of 117 decks -4% synergy
Blue Sun's Zenith
12% of 117 decks +9% synergy
Arcane Denial
11% of 117 decks -9% synergy
Force of Will
10% of 117 decks -1% synergy
Muddle the Mixture
9% of 117 decks +4% synergy
Reality Shift
9% of 117 decks +0% synergy
Experimental Augury
9% of 87 decks +6% synergy
Resculpt
9% of 115 decks +4% synergy
Bioshift
9% of 117 decks +8% synergy
Quandrix Command
8% of 115 decks +6% synergy
Spell Pierce
8% of 117 decks +4% synergy
Pact of Negation
8% of 117 decks +0% synergy
Force of Negation
8% of 117 decks -1% synergy
Drown in Dreams
7% of 111 decks +5% synergy
Vastwood Fortification
7% of 117 decks +6% synergy
Pull from Tomorrow
7% of 117 decks +4% synergy
Dispel
6% of 117 decks +1% synergy
Noxious Revival
6% of 117 decks +0% synergy
Sorceries
Farewell
43% of 7 decks +29% synergy
Cultivate
42% of 117 decks -4% synergy
Rampant Growth
40% of 117 decks +6% synergy
Demonic Tutor
38% of 13 decks +16% synergy
Kodama's Reach
32% of 117 decks +1% synergy
Wave Goodbye
29% of 38 decks +26% synergy
Villainous Wealth
23% of 13 decks +15% synergy
Nature's Lore
23% of 117 decks -9% synergy
Neoform
21% of 117 decks +16% synergy
Green Sun's Zenith
19% of 117 decks +13% synergy
Farseek
16% of 117 decks -18% synergy
Fabricate
15% of 117 decks +9% synergy
Thirsting Roots
15% of 86 decks +13% synergy
Three Visits
15% of 117 decks -10% synergy
Ponder
13% of 117 decks -0% synergy
Unnatural Restoration
13% of 86 decks +9% synergy
Urban Evolution
11% of 117 decks +7% synergy
Finale of Devastation
11% of 117 decks +3% synergy
Windfall
11% of 117 decks -2% synergy
Curse of the Swine
10% of 117 decks +6% synergy
Preordain
10% of 117 decks -1% synergy
Tezzeret's Gambit
8% of 117 decks +4% synergy
Thrive
7% of 117 decks +7% synergy
Bala Ged Recovery
7% of 117 decks -2% synergy
Explore
7% of 117 decks -2% synergy
Turntimber Symbiosis
5% of 117 decks +3% synergy
Finale of Revelation
5% of 117 decks +3% synergy
Regrowth
5% of 117 decks +2% synergy
Harmonize
5% of 117 decks -4% synergy
Skyshroud Claim
5% of 117 decks -4% synergy
Utility Artifacts
Lightning Greaves
42% of 117 decks +17% synergy
Thousand-Year Elixir
40% of 117 decks +38% synergy
Staff of Domination
39% of 117 decks +38% synergy
Illusionist's Bracers
37% of 117 decks +36% synergy
Agatha's Soul Cauldron
33% of 54 decks +32% synergy
Ozolith, the Shattered Spire
29% of 76 decks +23% synergy
Heartstone
23% of 117 decks +23% synergy
The Great Henge
21% of 117 decks +11% synergy
The Ozolith
18% of 117 decks +14% synergy
Rings of Brighthearth
15% of 117 decks +13% synergy
Isochron Scepter
15% of 117 decks +12% synergy
Sword of the Paruns
10% of 117 decks +10% synergy
Sting, the Glinting Dagger
9% of 56 decks +7% synergy
Sensei's Divining Top
7% of 117 decks +1% synergy
Moonsilver Key
6% of 111 decks +5% synergy
Enchantments
Simic Ascendancy
43% of 117 decks +37% synergy
Smothering Tithe
38% of 8 decks +13% synergy
Master Chef
30% of 103 decks +29% synergy
Hardened Scales
28% of 117 decks +19% synergy
Leyline of Abundance
27% of 117 decks +26% synergy
Innkeeper's Talent
27% of 11 decks +19% synergy
Rhystic Study
21% of 117 decks -6% synergy
Bred for the Hunt
19% of 117 decks +16% synergy
Court of Garenbrig
17% of 53 decks +14% synergy
Primal Empathy
15% of 117 decks +13% synergy
Mystic Remora
15% of 117 decks -3% synergy
Wild Growth
14% of 117 decks +3% synergy
Sylvan Library
13% of 117 decks +1% synergy
Elven Chorus
12% of 58 decks +7% synergy
Tribute to the World Tree
12% of 84 decks +4% synergy
Branching Evolution
11% of 117 decks +6% synergy
Helix Pinnacle
10% of 117 decks +9% synergy
Utopia Sprawl
10% of 117 decks +3% synergy
Wizard Class
10% of 112 decks +5% synergy
Guardian Project
9% of 117 decks +1% synergy
Retreat to Kazandu
9% of 117 decks +7% synergy
Mana Reflection
9% of 117 decks +7% synergy
Quest for Renewal
8% of 117 decks +6% synergy
Cryptolith Rite
7% of 117 decks +3% synergy
Wilderness Reclamation
7% of 117 decks +3% synergy
Hadana's Climb
6% of 117 decks +4% synergy
Intruder Alarm
6% of 117 decks +4% synergy
Asceticism
6% of 117 decks +3% synergy
Teferi's Ageless Insight
6% of 117 decks +1% synergy
Crab Umbra
5% of 117 decks +5% synergy
Inexorable Tide
5% of 117 decks +2% synergy
Leyline of Anticipation
5% of 117 decks +1% synergy
Kenrith's Transformation
5% of 117 decks -1% synergy
Planeswalkers
Jiang Yanggu, Wildcrafter
14% of 117 decks +13% synergy
Jace, Wielder of Mysteries
10% of 117 decks +7% synergy
Oko, Thief of Crowns
8% of 117 decks +2% synergy
Kiora, Behemoth Beckoner
5% of 117 decks +1% synergy
Utility Lands
Reliquary Tower
45% of 117 decks +16% synergy
Novijen, Heart of Progress
36% of 117 decks +34% synergy
Oran-Rief, the Vastwood
33% of 117 decks +28% synergy
Llanowar Reborn
25% of 117 decks +23% synergy
Alchemist's Refuge
25% of 117 decks +18% synergy
Minamo, School at Water's Edge
21% of 117 decks +17% synergy
Karn's Bastion
20% of 117 decks +15% synergy
Drannith Ruins
19% of 67 decks +19% synergy
Yavimaya, Cradle of Growth
18% of 112 decks +9% synergy
Boseiju, Who Endures
17% of 109 decks -2% synergy
Nesting Grounds
14% of 117 decks +12% synergy
Rogue's Passage
14% of 117 decks -6% synergy
Otawara, Soaring City
13% of 109 decks -4% synergy
Mosswort Bridge
9% of 117 decks -1% synergy
Tyrite Sanctum
9% of 115 decks +7% synergy
Dryad Arbor
9% of 117 decks +4% synergy
Gaea's Cradle
9% of 117 decks +3% synergy
Temple of the False God
9% of 117 decks -1% synergy
Ancient Tomb
9% of 117 decks -2% synergy
Castle Garenbrig
7% of 117 decks +2% synergy
Nykthos, Shrine to Nyx
7% of 117 decks +1% synergy
Restless Vinestalk
6% of 53 decks +3% synergy
Halimar Depths
5% of 117 decks +2% synergy
Mana Artifacts
Sol Ring
86% of 117 decks +2% synergy
Arcane Signet
70% of 117 decks -2% synergy
Talisman of Curiosity
38% of 117 decks +25% synergy
Simic Signet
36% of 117 decks +21% synergy
Basalt Monolith
32% of 117 decks +29% synergy
Thought Vessel
21% of 117 decks +5% synergy
Fellwar Stone
19% of 117 decks -2% synergy
Commander's Sphere
11% of 117 decks -4% synergy
Mana Crypt
10% of 117 decks +2% synergy
Paradise Mantle
9% of 117 decks +9% synergy
Mana Vault
9% of 117 decks +3% synergy
Lotus Petal
9% of 117 decks +3% synergy
Chromatic Lantern
9% of 117 decks -0% synergy
Chrome Mox
7% of 117 decks +0% synergy
Decanter of Endless Water
7% of 103 decks +2% synergy
Energy Refractor
6% of 96 decks +6% synergy
Chromatic Orrery
6% of 117 decks +4% synergy
Mox Diamond
6% of 117 decks +2% synergy
Mox Amber
5% of 117 decks +1% synergy
Mox Opal
5% of 117 decks +1% synergy
Everflowing Chalice
5% of 117 decks +0% synergy
Lands
Command Tower
86% of 117 decks +12% synergy
Hinterland Harbor
53% of 117 decks +25% synergy
Yavimaya Coast
50% of 117 decks +23% synergy
Breeding Pool
49% of 117 decks +8% synergy
Rejuvenating Springs
47% of 116 decks +18% synergy
Zagoth Triome
46% of 13 decks +16% synergy
Simic Growth Chamber
44% of 117 decks +25% synergy
Dreamroot Cascade
43% of 110 decks +24% synergy
Savannah
38% of 8 decks +24% synergy
Tundra
38% of 8 decks +24% synergy
Azorius Chancery
38% of 8 decks +23% synergy
Sandsteppe Citadel
38% of 8 decks +12% synergy
Flooded Grove
37% of 117 decks +24% synergy
Temple of Mystery
35% of 117 decks +18% synergy
Overflowing Basin
33% of 24 decks +23% synergy
Taiga
33% of 9 decks +20% synergy
Volcanic Island
33% of 9 decks +20% synergy
Ketria Triome
33% of 9 decks +1% synergy
Bayou
31% of 13 decks +17% synergy
Opulent Palace
31% of 13 decks +4% synergy
Overgrown Tomb
31% of 13 decks -12% synergy
Misty Rainforest
30% of 117 decks +18% synergy
Exotic Orchard
29% of 117 decks -7% synergy
Hedge Maze
28% of 32 decks +14% synergy
Vineglimmer Snarl
28% of 115 decks +17% synergy
Barkchannel Pathway
27% of 115 decks +18% synergy
Underground Sea
23% of 13 decks +9% synergy
Undergrowth Stadium
23% of 13 decks -3% synergy
Watery Grave
23% of 13 decks -18% synergy
Tropical Island
21% of 117 decks +6% synergy
Evolving Wilds
19% of 117 decks -2% synergy
Waterlogged Grove
17% of 117 decks +10% synergy
Botanical Sanctum
16% of 117 decks +12% synergy
Tangled Islet
16% of 101 decks +8% synergy
Terramorphic Expanse
15% of 117 decks -1% synergy
Fabled Passage
13% of 117 decks +4% synergy
Myriad Landscape
13% of 117 decks -7% synergy
Reflecting Pool
9% of 117 decks +4% synergy
Thornwood Falls
9% of 117 decks +2% synergy
Windswept Heath
9% of 117 decks -1% synergy
Rimewood Falls
9% of 115 decks +4% synergy
Opal Palace
9% of 117 decks +6% synergy
Mana Confluence
9% of 117 decks +1% synergy
Polluted Delta
9% of 117 decks -3% synergy
Scalding Tarn
8% of 117 decks -3% synergy
Simic Guildgate
7% of 117 decks +1% synergy
City of Brass
7% of 117 decks -1% synergy
Flooded Strand
7% of 117 decks -4% synergy
Verdant Catacombs
7% of 117 decks -5% synergy
Blighted Woodland
6% of 117 decks +0% synergy