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 .
  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.

Kenrith, the Returned King
0.01% of 21799 decks 2 decks
Najeela, the Blade-Blossom
0.01% of 10901 decks 1 decks
Niv-Mizzet Reborn
0.02% of 4093 decks 1 decks
Creatures
Marionette Apprentice
100% of 1 decks +100% synergy
Evolution Witness
100% of 1 decks +99% synergy
Nadu, Winged Wisdom
100% of 1 decks +99% synergy
Warren Soultrader
100% of 1 decks +99% synergy
Fanatic of Rhonas
100% of 1 decks +99% synergy
Agatha of the Vile Cauldron
100% of 3 decks +96% synergy
Argothian Elder
75% of 4 decks +75% synergy
Incubation Druid
75% of 4 decks +74% synergy
Biomancer's Familiar
75% of 4 decks +71% synergy
Faeburrow Elder
75% of 4 decks +54% synergy
Kami of Whispered Hopes
67% of 3 decks +66% synergy
Ley Weaver
50% of 4 decks +50% synergy
Fatestitcher
50% of 4 decks +50% synergy
Circle of Dreams Druid
50% of 4 decks +50% synergy
Kelpie Guide
50% of 4 decks +50% synergy
Aragorn, Hornburg Hero
50% of 2 decks +49% synergy
Niv-Mizzet, the Firemind
50% of 4 decks +49% synergy
Zaxara, the Exemplary
50% of 4 decks +49% synergy
Emiel the Blessed
50% of 4 decks +47% synergy
Kinnan, Bonder Prodigy
50% of 4 decks +46% synergy
Dockside Extortionist
50% of 4 decks +42% synergy
Sanctum Weaver
50% of 4 decks +40% synergy
Bloom Tender
50% of 4 decks +32% synergy
Birds of Paradise
50% of 4 decks +25% synergy
Deathbloom Ritualist
33% of 3 decks +33% synergy
Omen Hawker
33% of 3 decks +33% synergy
Théoden, King of Rohan
33% of 3 decks +33% synergy
Éowyn, Shieldmaiden
33% of 3 decks +33% synergy
Elas il-Kor, Sadistic Pilgrim
33% of 3 decks +32% synergy
Éowyn, Fearless Knight
33% of 3 decks +32% synergy
Aragorn, King of Gondor
33% of 3 decks +32% synergy
Faerie Mastermind
33% of 3 decks +32% synergy
Jodah, the Unifier
33% of 3 decks +28% synergy
Sacred Guide
25% of 4 decks +25% synergy
Morselhoarder
25% of 4 decks +25% synergy
Hope Tender
25% of 4 decks +25% synergy
Bounding Krasis
25% of 4 decks +25% synergy
River Hoopoe
25% of 4 decks +25% synergy
Tandem Lookout
25% of 4 decks +25% synergy
Cartel Aristocrat
25% of 4 decks +25% synergy
Magus of the Coffers
25% of 4 decks +25% synergy
Leonin Relic-Warder
25% of 4 decks +25% synergy
Rionya, Fire Dancer
25% of 4 decks +25% synergy
Crackleburr
25% of 4 decks +25% synergy
Kydele, Chosen of Kruphix
25% of 4 decks +25% synergy
Marauding Blight-Priest
25% of 4 decks +25% synergy
Burning-Tree Emissary
25% of 4 decks +25% synergy
Tidespout Tyrant
25% of 4 decks +25% synergy
Duskmantle Guildmage
25% of 4 decks +25% synergy
Karametra's Acolyte
25% of 4 decks +25% synergy
Instants
Stroke of Midnight
33% of 3 decks +30% synergy
Aurelia's Fury
25% of 4 decks +25% synergy
Reiterate
25% of 4 decks +25% synergy
Capsize
25% of 4 decks +25% synergy
Inkshield
25% of 4 decks +24% synergy
Ghostly Flicker
25% of 4 decks +24% synergy
Dramatic Reversal
25% of 4 decks +23% synergy
Eureka Moment
25% of 4 decks +23% synergy
Brain Freeze
25% of 4 decks +22% synergy
Demonic Consultation
25% of 4 decks +21% synergy
Tainted Pact
25% of 4 decks +21% synergy
Eladamri's Call
25% of 4 decks +17% synergy
Generous Gift
25% of 4 decks +17% synergy
Anguished Unmaking
25% of 4 decks +16% synergy
Growth Spiral
25% of 4 decks +14% synergy
Worldly Tutor
25% of 4 decks +13% synergy
Enlightened Tutor
25% of 4 decks +9% synergy
Path to Exile
25% of 4 decks -0% synergy
Swords to Plowshares
25% of 4 decks -16% synergy
Sorceries
Wash Out
25% of 4 decks +25% synergy
Death Grasp
25% of 4 decks +25% synergy
Clan Defiance
25% of 4 decks +25% synergy
Heat Shimmer
25% of 4 decks +25% synergy
Chain of Smog
25% of 4 decks +25% synergy
Twinflame
25% of 4 decks +25% synergy
Mana Geyser
25% of 4 decks +25% synergy
Debt to the Deathless
25% of 4 decks +23% synergy
Wheel of Fortune
25% of 4 decks +23% synergy
Vindicate
25% of 4 decks +23% synergy
Jeska's Will
25% of 4 decks +23% synergy
Villainous Wealth
25% of 4 decks +22% synergy
Austere Command
25% of 4 decks +21% synergy
Sylvan Scrying
25% of 4 decks +21% synergy
Bring to Light
25% of 4 decks +20% synergy
Circuitous Route
25% of 4 decks +19% synergy
Tempt with Discovery
25% of 4 decks +19% synergy
Demonic Tutor
25% of 4 decks +4% synergy
Rampant Growth
25% of 4 decks +2% synergy
Kodama's Reach
25% of 4 decks -0% synergy
Cultivate
25% of 4 decks -13% synergy
Farseek
25% of 4 decks -20% synergy
Utility Artifacts
Staff of Domination
75% of 4 decks +74% synergy
Lithoform Engine
75% of 4 decks +73% synergy
Cloudstone Curio
50% of 4 decks +49% synergy
Agatha's Soul Cauldron
33% of 3 decks +29% synergy
Goblin Cannon
25% of 4 decks +25% synergy
Jandor's Saddlebags
25% of 4 decks +25% synergy
Rocket Launcher
25% of 4 decks +25% synergy
Puppet Strings
25% of 4 decks +25% synergy
Mesmeric Orb
25% of 4 decks +25% synergy
Twinning Staff
25% of 4 decks +25% synergy
Luxior, Giada's Gift
25% of 4 decks +24% synergy
Mirage Mirror
25% of 4 decks +24% synergy
Illusionist's Bracers
25% of 4 decks +24% synergy
Isochron Scepter
25% of 4 decks +24% synergy
Phyrexian Altar
25% of 4 decks +24% synergy
Ashnod's Altar
25% of 4 decks +23% synergy
Helm of the Host
25% of 4 decks +22% synergy
Navigation Orb
25% of 4 decks +22% synergy
Wayfarer's Bauble
25% of 4 decks +21% synergy
Enchantments
Chthonian Nightmare
100% of 1 decks +99% synergy
Trouble in Pairs
100% of 1 decks +98% synergy
Leyline of the Guildpact
100% of 1 decks +77% synergy
Pemmin's Aura
75% of 4 decks +74% synergy
Freed from the Real
75% of 4 decks +73% synergy
Training Grounds
50% of 4 decks +45% synergy
Spelunking
50% of 2 decks +42% synergy
Flowering of the White Tree
33% of 3 decks +28% synergy
Ophidian Eye
25% of 4 decks +25% synergy
High Alert
25% of 4 decks +25% synergy
Keen Sense
25% of 4 decks +25% synergy
Splinter Twin
25% of 4 decks +25% synergy
Glare of Subdual
25% of 4 decks +25% synergy
Swift Reconfiguration
25% of 4 decks +25% synergy
Wolfwillow Haven
25% of 4 decks +25% synergy
Dance of the Dead
25% of 4 decks +25% synergy
Exquisite Blood
25% of 4 decks +25% synergy
Curiosity
25% of 4 decks +25% synergy
Necromancy
25% of 4 decks +24% synergy
Sanguine Bond
25% of 4 decks +24% synergy
Simic Ascendancy
25% of 4 decks +24% synergy
Animate Dead
25% of 4 decks +23% synergy
Defense of the Heart
25% of 4 decks +23% synergy
Utopia Sprawl
25% of 4 decks +22% synergy
Underworld Breach
25% of 4 decks +22% synergy
Wild Growth
25% of 4 decks +21% synergy
Fertile Ground
25% of 4 decks +21% synergy
Smothering Tithe
25% of 4 decks +4% synergy
Rhystic Study
25% of 4 decks +1% synergy
Planeswalkers
Professor Onyx
25% of 4 decks +25% synergy
Jace, Wielder of Mysteries
25% of 4 decks +24% synergy
Utility Lands
Lotus Field
25% of 4 decks +24% synergy
Nykthos, Shrine to Nyx
25% of 4 decks +24% synergy
Cabal Coffers
25% of 4 decks +24% synergy
Serra's Sanctum
25% of 4 decks +23% synergy
Maze of Ith
25% of 4 decks +23% synergy
Thespian's Stage
25% of 4 decks +22% synergy
Gaea's Cradle
25% of 4 decks +21% synergy
Reliquary Tower
25% of 4 decks -0% synergy
Mana Artifacts
Commander's Sphere
50% of 4 decks +30% synergy
Fellwar Stone
50% of 4 decks +18% synergy
Chromatic Lantern
50% of 4 decks -3% synergy
Arcane Signet
50% of 4 decks -24% synergy
Sol Ring
50% of 4 decks -28% synergy
Obsidian Obelisk
33% of 3 decks +32% synergy
Relic of Legends
33% of 3 decks +24% synergy
Gemstone Array
25% of 4 decks +25% synergy
Firemind Vessel
25% of 4 decks +24% synergy
Basalt Monolith
25% of 4 decks +23% synergy
Lion's Eye Diamond
25% of 4 decks +22% synergy
Tome of the Guildpact
25% of 4 decks +22% synergy
Gilded Lotus
25% of 4 decks +22% synergy
Mox Opal
25% of 4 decks +21% synergy
Thran Dynamo
25% of 4 decks +21% synergy
Jeweled Lotus
25% of 4 decks +20% synergy
Mox Diamond
25% of 4 decks +20% synergy
Mox Amber
25% of 4 decks +19% synergy
Decanter of Endless Water
25% of 4 decks +19% synergy
Lotus Petal
25% of 4 decks +18% synergy
Mana Crypt
25% of 4 decks +15% synergy
Lands
Azorius Chancery
50% of 4 decks +48% synergy
Terramorphic Expanse
50% of 4 decks +33% synergy
Exotic Orchard
50% of 4 decks -13% synergy
Command Tower
50% of 4 decks -38% synergy
Forsaken Sanctuary
25% of 4 decks +25% synergy
Stone Quarry
25% of 4 decks +25% synergy
Submerged Boneyard
25% of 4 decks +25% synergy
Warped Landscape
25% of 4 decks +25% synergy
Jund Panorama
25% of 4 decks +24% synergy
Rugged Highlands
25% of 4 decks +23% synergy
Thornwood Falls
25% of 4 decks +23% synergy
Vivid Marsh
25% of 4 decks +23% synergy
Vivid Meadow
25% of 4 decks +23% synergy
Golgari Rot Farm
25% of 4 decks +23% synergy
Vivid Crag
25% of 4 decks +23% synergy
Vivid Creek
25% of 4 decks +23% synergy
Gruul Turf
25% of 4 decks +23% synergy
Selesnya Sanctuary
25% of 4 decks +23% synergy
Simic Growth Chamber
25% of 4 decks +23% synergy
Izzet Guildgate
25% of 4 decks +18% synergy
Golgari Guildgate
25% of 4 decks +18% synergy
Undergrowth Stadium
25% of 4 decks +18% synergy
Sea of Clouds
25% of 4 decks +18% synergy
Selesnya Guildgate
25% of 4 decks +18% synergy
Spire Garden
25% of 4 decks +18% synergy
Bountiful Promenade
25% of 4 decks +17% synergy
Rejuvenating Springs
25% of 4 decks +17% synergy
Forbidden Orchard
25% of 4 decks +16% synergy
Badlands
25% of 4 decks +13% synergy
Plateau
25% of 4 decks +13% synergy
Volcanic Island
25% of 4 decks +13% synergy
Tundra
25% of 4 decks +12% synergy
Nomad Outpost
25% of 4 decks +12% synergy
Crumbling Necropolis
25% of 4 decks +12% synergy
Savannah
25% of 4 decks +12% synergy
Taiga
25% of 4 decks +12% synergy
Bayou
25% of 4 decks +12% synergy
Tropical Island
25% of 4 decks +12% synergy
Savage Lands
25% of 4 decks +12% synergy
Mystic Monastery
25% of 4 decks +10% synergy
Reflecting Pool
25% of 4 decks +10% synergy
Sandsteppe Citadel
25% of 4 decks +9% synergy
Opulent Palace
25% of 4 decks +9% synergy
Frontier Bivouac
25% of 4 decks +8% synergy
Raffine's Tower
25% of 4 decks +8% synergy
Jungle Shrine
25% of 4 decks +7% synergy
Raugrin Triome
25% of 4 decks +5% synergy
Evolving Wilds
25% of 4 decks +3% synergy
Ziatora's Proving Ground
25% of 4 decks +2% synergy
Jetmir's Garden
25% of 4 decks +1% synergy