Gyre Engineer + Umbral Mantle + Zirda, the Dawnwaker

Gyre Engineer
Umbral Mantle
Zirda, the Dawnwaker

Requires
Gyre Engineer must be on the battlefield. Umbral Mantle must be on the battlefield. Zirda, the Dawnwaker 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 gu.
  2. Activate Gyre Engineer by paying 1 and untapping it, giving itself +2/+2 until end of turn.
  3. Repeat.
Results
Infinite blue mana. Infinite green mana. Infinitely large Gyre Engineer until end of turn.

Top Commanders (3)
Niv-Mizzet Reborn
0.02% of 4023 decks 1 decks
Najeela, the Blade-Blossom
0.01% of 9707 decks 1 decks
Kenrith, the Returned King
0.01% of 19115 decks 1 decks
Creatures (50)
Aragorn, Hornburg Hero
100% of 1 decks +99% synergy
Agatha of the Vile Cauldron
100% of 2 decks +94% synergy
Argothian Elder
67% of 3 decks +67% synergy
Ley Weaver
67% of 3 decks +67% synergy
Kelpie Guide
67% of 3 decks +66% synergy
Niv-Mizzet, the Firemind
67% of 3 decks +66% synergy
Incubation Druid
67% of 3 decks +65% synergy
Zaxara, the Exemplary
67% of 3 decks +65% synergy
Biomancer's Familiar
67% of 3 decks +62% synergy
Faeburrow Elder
67% of 3 decks +43% synergy
Deathbloom Ritualist
50% of 2 decks +50% synergy
Omen Hawker
50% of 2 decks +49% synergy
Théoden, King of Rohan
50% of 2 decks +49% synergy
Éowyn, Shieldmaiden
50% of 2 decks +49% synergy
Elas il-Kor, Sadistic Pilgrim
50% of 2 decks +49% synergy
Éowyn, Fearless Knight
50% of 2 decks +49% synergy
Kami of Whispered Hopes
50% of 2 decks +49% synergy
Aragorn, King of Gondor
50% of 2 decks +48% synergy
Jodah, the Unifier
50% of 2 decks +43% synergy
Sacred Guide
33% of 3 decks +33% synergy
Morselhoarder
33% of 3 decks +33% synergy
River Hoopoe
33% of 3 decks +33% synergy
Bounding Krasis
33% of 3 decks +33% synergy
Tandem Lookout
33% of 3 decks +33% synergy
Magus of the Coffers
33% of 3 decks +33% synergy
Cartel Aristocrat
33% of 3 decks +33% synergy
Crackleburr
33% of 3 decks +33% synergy
Leonin Relic-Warder
33% of 3 decks +33% synergy
Rionya, Fire Dancer
33% of 3 decks +33% synergy
Marauding Blight-Priest
33% of 3 decks +33% synergy
Kydele, Chosen of Kruphix
33% of 3 decks +33% synergy
Burning-Tree Emissary
33% of 3 decks +33% synergy
Tidespout Tyrant
33% of 3 decks +33% synergy
Port Razer
33% of 3 decks +33% synergy
Orzhov Guildmage
33% of 3 decks +33% synergy
Duskmantle Guildmage
33% of 3 decks +33% synergy
Gilder Bairn
33% of 3 decks +33% synergy
Karametra's Acolyte
33% of 3 decks +33% synergy
Glint-Horn Buccaneer
33% of 3 decks +33% synergy
Wirewood Channeler
33% of 3 decks +33% synergy
Alena, Kessig Trapper
33% of 3 decks +33% synergy
Dimir Guildmage
33% of 3 decks +33% synergy
Murderous Redcap
33% of 3 decks +33% synergy
Slimefoot, the Stowaway
33% of 3 decks +33% synergy
Nivix Guildmage
33% of 3 decks +33% synergy
Good-Fortune Unicorn
33% of 3 decks +33% synergy
Vizier of Remedies
33% of 3 decks +33% synergy
Oona, Queen of the Fae
33% of 3 decks +33% synergy
Village Bell-Ringer
33% of 3 decks +33% synergy
Brallin, Skyshark Rider
33% of 3 decks +33% synergy
Instants (16)
Stroke of Midnight
50% of 2 decks +46% synergy
Aurelia's Fury
33% of 3 decks +33% synergy
Reiterate
33% of 3 decks +33% synergy
Capsize
33% of 3 decks +33% synergy
Ghostly Flicker
33% of 3 decks +32% synergy
Dramatic Reversal
33% of 3 decks +32% synergy
Brain Freeze
33% of 3 decks +31% synergy
Eureka Moment
33% of 3 decks +31% synergy
Tainted Pact
33% of 3 decks +29% synergy
Demonic Consultation
33% of 3 decks +29% synergy
Eladamri's Call
33% of 3 decks +24% synergy
Generous Gift
33% of 3 decks +24% synergy
Anguished Unmaking
33% of 3 decks +22% synergy
Growth Spiral
33% of 3 decks +21% synergy
Path to Exile
33% of 3 decks +10% synergy
Swords to Plowshares
33% of 3 decks -7% synergy
Sorceries (21)
Wash Out
33% of 3 decks +33% synergy
Death Grasp
33% of 3 decks +33% synergy
Clan Defiance
33% of 3 decks +33% synergy
Heat Shimmer
33% of 3 decks +33% synergy
Chain of Smog
33% of 3 decks +33% synergy
Twinflame
33% of 3 decks +33% synergy
Mana Geyser
33% of 3 decks +33% synergy
Debt to the Deathless
33% of 3 decks +32% synergy
Wheel of Fortune
33% of 3 decks +31% synergy
Jeska's Will
33% of 3 decks +31% synergy
Vindicate
33% of 3 decks +31% synergy
Villainous Wealth
33% of 3 decks +30% synergy
Austere Command
33% of 3 decks +29% synergy
Sylvan Scrying
33% of 3 decks +29% synergy
Bring to Light
33% of 3 decks +27% synergy
Tempt with Discovery
33% of 3 decks +26% synergy
Circuitous Route
33% of 3 decks +26% synergy
Rampant Growth
33% of 3 decks +9% synergy
Kodama's Reach
33% of 3 decks +5% synergy
Cultivate
33% of 3 decks -8% synergy
Farseek
33% of 3 decks -15% synergy
Utility Artifacts (15)
Staff of Domination
67% of 3 decks +65% synergy
Lithoform Engine
67% of 3 decks +64% synergy
Navigation Orb
50% of 2 decks +46% synergy
Goblin Cannon
33% of 3 decks +33% synergy
Jandor's Saddlebags
33% of 3 decks +33% synergy
Puppet Strings
33% of 3 decks +33% synergy
Rocket Launcher
33% of 3 decks +33% synergy
Twinning Staff
33% of 3 decks +33% synergy
Mesmeric Orb
33% of 3 decks +33% synergy
Cloudstone Curio
33% of 3 decks +33% synergy
Illusionist's Bracers
33% of 3 decks +32% synergy
Luxior, Giada's Gift
33% of 3 decks +32% synergy
Isochron Scepter
33% of 3 decks +32% synergy
Helm of the Host
33% of 3 decks +30% synergy
Wayfarer's Bauble
33% of 3 decks +28% synergy
Enchantments (23)
Spelunking
100% of 1 decks +88% synergy
Pemmin's Aura
67% of 3 decks +66% synergy
Freed from the Real
67% of 3 decks +65% synergy
Flowering of the White Tree
50% of 2 decks +44% synergy
Ophidian Eye
33% of 3 decks +33% synergy
High Alert
33% of 3 decks +33% synergy
Keen Sense
33% of 3 decks +33% synergy
Glare of Subdual
33% of 3 decks +33% synergy
Splinter Twin
33% of 3 decks +33% synergy
Wolfwillow Haven
33% of 3 decks +33% synergy
Swift Reconfiguration
33% of 3 decks +33% synergy
Dance of the Dead
33% of 3 decks +33% synergy
Exquisite Blood
33% of 3 decks +33% synergy
Curiosity
33% of 3 decks +33% synergy
Necromancy
33% of 3 decks +33% synergy
Sanguine Bond
33% of 3 decks +33% synergy
Simic Ascendancy
33% of 3 decks +32% synergy
Animate Dead
33% of 3 decks +31% synergy
Underworld Breach
33% of 3 decks +30% synergy
Utopia Sprawl
33% of 3 decks +30% synergy
Wild Growth
33% of 3 decks +29% synergy
Training Grounds
33% of 3 decks +28% synergy
Fertile Ground
33% of 3 decks +28% synergy
Planeswalkers (2)
Professor Onyx
33% of 3 decks +33% synergy
Jace, Wielder of Mysteries
33% of 3 decks +32% synergy
Utility Lands (2)
Lotus Field
33% of 3 decks +33% synergy
Reliquary Tower
33% of 3 decks +11% synergy
Mana Artifacts (21)
Commander's Sphere
67% of 3 decks +44% synergy
Fellwar Stone
67% of 3 decks +35% synergy
Chromatic Lantern
67% of 3 decks +14% synergy
Arcane Signet
67% of 3 decks -6% synergy
Obsidian Obelisk
50% of 2 decks +47% synergy
Decanter of Endless Water
50% of 2 decks +43% synergy
Relic of Legends
50% of 2 decks +37% synergy
Gemstone Array
33% of 3 decks +33% synergy
Basalt Monolith
33% of 3 decks +32% synergy
Firemind Vessel
33% of 3 decks +32% synergy
Lion's Eye Diamond
33% of 3 decks +31% synergy
Thran Dynamo
33% of 3 decks +31% synergy
Tome of the Guildpact
33% of 3 decks +30% synergy
Mox Opal
33% of 3 decks +30% synergy
Gilded Lotus
33% of 3 decks +30% synergy
Mox Diamond
33% of 3 decks +28% synergy
Jeweled Lotus
33% of 3 decks +27% synergy
Mox Amber
33% of 3 decks +27% synergy
Lotus Petal
33% of 3 decks +27% synergy
Mana Crypt
33% of 3 decks +21% synergy
Sol Ring
33% of 3 decks -43% synergy
Lands (27)
Terramorphic Expanse
67% of 3 decks +48% synergy
Submerged Boneyard
33% of 3 decks +33% synergy
Forsaken Sanctuary
33% of 3 decks +33% synergy
Stone Quarry
33% of 3 decks +33% synergy
Warped Landscape
33% of 3 decks +33% synergy
Jund Panorama
33% of 3 decks +32% synergy
Rugged Highlands
33% of 3 decks +32% synergy
Thornwood Falls
33% of 3 decks +32% synergy
Azorius Chancery
33% of 3 decks +31% synergy
Vivid Marsh
33% of 3 decks +31% synergy
Vivid Meadow
33% of 3 decks +31% synergy
Vivid Crag
33% of 3 decks +31% synergy
Vivid Creek
33% of 3 decks +31% synergy
Izzet Guildgate
33% of 3 decks +26% synergy
Golgari Guildgate
33% of 3 decks +25% synergy
Selesnya Guildgate
33% of 3 decks +25% synergy
Nomad Outpost
33% of 3 decks +20% synergy
Crumbling Necropolis
33% of 3 decks +20% synergy
Savage Lands
33% of 3 decks +19% synergy
Mystic Monastery
33% of 3 decks +18% synergy
Sandsteppe Citadel
33% of 3 decks +17% synergy
Opulent Palace
33% of 3 decks +17% synergy
Frontier Bivouac
33% of 3 decks +16% synergy
Jungle Shrine
33% of 3 decks +15% synergy
Evolving Wilds
33% of 3 decks +10% synergy
Exotic Orchard
33% of 3 decks -28% synergy
Command Tower
33% of 3 decks -54% synergy