Colfenor, the Last Yew
Myr Retriever
Ashnod's Altar
Cathodion
1

   Prerequisites

What do I need to start this combo?
Myr Retriever in your graveyard.
All other permanents on the battlefield.

   Steps

How does this combo work?
1
Activate Ashnod's Altar, sacrificing Cathodion to add .
2
Cathodion and Colfenor trigger.
3
Resolve the Cathodion trigger, adding .
4
Resolve the Colfenor trigger, returning Myr Retriever from your graveyard to your hand.
5
Cast Myr Retriever.
6
Activate Ashnod's Altar, sacrificing Myr Retriever to add .
7
Myr Retriever triggers, returning Cathodion from your graveyard to your hand.
8
Cast Cathodion.
9
Repeat.

   Results

What do I get from this combo?
Infinite colorless mana
Infinite death triggers
Infinite ETB
Infinite LTB
Infinite sacrifice triggers
Top Commanders
Colfenor, the Last Yew
0.28% of 1089 decks 3 decks
Game Changers
Enlightened Tutor
33% of 3 decks +22% synergy
Smothering Tithe
33% of 3 decks +18% synergy
Creatures
Pawn of Ulamog
100% of 3 decks +99% synergy
Karmic Guide
100% of 3 decks +94% synergy
Scrap Trawler
67% of 3 decks +67% synergy
Ugin's Conjurant
67% of 3 decks +67% synergy
Stonecoil Serpent
67% of 3 decks +66% synergy
Hangarback Walker
67% of 3 decks +66% synergy
Walking Ballista
67% of 3 decks +64% synergy
Pitiless Plunderer
67% of 3 decks +62% synergy
Zulaport Cutthroat
67% of 3 decks +57% synergy
Viscera Seer
67% of 3 decks +54% synergy
Sakura-Tribe Elder
67% of 3 decks +45% synergy
Eternal Witness
67% of 3 decks +43% synergy
Old Man Willow
50% of 2 decks +48% synergy
Quickbeam, Upstart Ent
50% of 2 decks +48% synergy
Fangorn, Tree Shepherd
50% of 2 decks +47% synergy
Enduring Vitality
50% of 2 decks +43% synergy
Su-Chi Cave Guard
33% of 3 decks +33% synergy
Hidden Herbalists
33% of 3 decks +33% synergy
Disciples of Gix
33% of 3 decks +33% synergy
Trazyn the Infinite
33% of 3 decks +33% synergy
Nest Invader
33% of 3 decks +33% synergy
Workshop Assistant
33% of 3 decks +33% synergy
Myr Moonvessel
33% of 3 decks +33% synergy
Junk Diver
33% of 3 decks +33% synergy
Aeve, Progenitor Ooze
33% of 3 decks +33% synergy
Cabal Paladin
33% of 3 decks +33% synergy
Gaea's Avenger
33% of 3 decks +33% synergy
Benalish Marshal
33% of 3 decks +33% synergy
Memnite
33% of 3 decks +33% synergy
Armix, Filigree Thrasher
33% of 3 decks +33% synergy
Somberwald Beastmaster
33% of 3 decks +33% synergy
Shifting Wall
33% of 3 decks +33% synergy
Blisterpod
33% of 3 decks +33% synergy
Scrapyard Recombiner
33% of 3 decks +33% synergy
Oswald Fiddlebender
33% of 3 decks +33% synergy
Phyrexian Walker
33% of 3 decks +33% synergy
Sewer Nemesis
33% of 3 decks +33% synergy
Shambling Ghast
33% of 3 decks +33% synergy
Endless One
33% of 3 decks +33% synergy
Gleaming Barrier
33% of 3 decks +33% synergy
Primordial Sage
33% of 3 decks +33% synergy
Angel of Invention
33% of 3 decks +33% synergy
Ornithopter
33% of 3 decks +33% synergy
Priest of Gix
33% of 3 decks +33% synergy
Sifter of Skulls
33% of 3 decks +33% synergy
Thunderfoot Baloth
33% of 3 decks +33% synergy
Ruthless Technomancer
33% of 3 decks +33% synergy
Ghoultree
33% of 3 decks +33% synergy
Leonin Relic-Warder
33% of 3 decks +33% synergy
Silverback Elder
33% of 3 decks +33% synergy
Instants
Swords to Plowshares
67% of 3 decks +3% synergy
Hunting Pack
33% of 3 decks +33% synergy
Reaping the Graves
33% of 3 decks +33% synergy
Sprouting Vines
33% of 3 decks +33% synergy
Wing Shards
33% of 3 decks +33% synergy
Body Count
33% of 3 decks +33% synergy
Fateful Absence
33% of 3 decks +33% synergy
Return to Dust
33% of 3 decks +32% synergy
Reach of Branches
33% of 3 decks +32% synergy
Deathsprout
33% of 3 decks +30% synergy
Deadly Rollick
33% of 3 decks +27% synergy
Abrupt Decay
33% of 3 decks +26% synergy
Heroic Intervention
33% of 3 decks +7% synergy
Assassin's Trophy
33% of 3 decks +2% synergy
Anguished Unmaking
33% of 3 decks +0% synergy
Path to Exile
33% of 3 decks -14% synergy
Sorceries
Far Wanderings
67% of 3 decks +66% synergy
Austere Command
67% of 3 decks +59% synergy
Promise of Power
33% of 3 decks +33% synergy
Glimpse of Nature
33% of 3 decks +33% synergy
Tendrils of Agony
33% of 3 decks +33% synergy
Bitter Ordeal
33% of 3 decks +33% synergy
Chatterstorm
33% of 3 decks +33% synergy
Ecological Appreciation
33% of 3 decks +33% synergy
Doomskar
33% of 3 decks +33% synergy
Syphon Mind
33% of 3 decks +33% synergy
Scheming Symmetry
33% of 3 decks +33% synergy
Decree of Pain
33% of 3 decks +33% synergy
Rishkar's Expertise
33% of 3 decks +32% synergy
Cleansing Nova
33% of 3 decks +31% synergy
Jarad's Orders
33% of 3 decks +31% synergy
Vindicate
33% of 3 decks +30% synergy
Read the Bones
33% of 3 decks +30% synergy
Duneblast
33% of 3 decks +30% synergy
Feed the Swarm
33% of 3 decks +29% synergy
Victimize
33% of 3 decks +26% synergy
Buried Alive
33% of 3 decks +25% synergy
Harmonize
33% of 3 decks +24% synergy
Reanimate
33% of 3 decks +22% synergy
Damn
33% of 3 decks +19% synergy
Eerie Ultimatum
33% of 3 decks +12% synergy
Kodama's Reach
33% of 3 decks +9% synergy
Rampant Growth
33% of 3 decks +6% synergy
Cultivate
33% of 3 decks -10% synergy
Farseek
33% of 3 decks -11% synergy
Utility Artifacts
Phyrexian Altar
67% of 3 decks +61% synergy
Hazoret's Monument
33% of 3 decks +33% synergy
Mycosynth Lattice
33% of 3 decks +33% synergy
Grinding Station
33% of 3 decks +33% synergy
Spear of Heliod
33% of 3 decks +33% synergy
The Golden Throne
33% of 3 decks +33% synergy
Mimic Vat
33% of 3 decks +33% synergy
Desecrated Tomb
33% of 3 decks +33% synergy
Altar of the Brood
33% of 3 decks +33% synergy
Krark-Clan Ironworks
33% of 3 decks +33% synergy
Lifecrafter's Bestiary
33% of 3 decks +32% synergy
Altar of Dementia
33% of 3 decks +28% synergy
Skullclamp
33% of 3 decks +20% synergy
Enchantments
Spidersilk Armor
67% of 3 decks +65% synergy
Assault Formation
67% of 3 decks +61% synergy
Assemble the Entmoot
50% of 2 decks +44% synergy
Insidious Roots
50% of 2 decks +39% synergy
Fortifying Provisions
33% of 3 decks +33% synergy
Leyline of Vitality
33% of 3 decks +33% synergy
Fecundity
33% of 3 decks +32% synergy
Death's Oasis
33% of 3 decks +31% synergy
Bastion of Remembrance
33% of 3 decks +29% synergy
Greater Good
33% of 3 decks +29% synergy
The Meathook Massacre
33% of 3 decks +29% synergy
Tribute to the World Tree
33% of 3 decks +29% synergy
Moldervine Reclamation
33% of 3 decks +26% synergy
Utility Lands
Tower of the Magistrate
33% of 3 decks +33% synergy
Nykthos, Shrine to Nyx
33% of 3 decks +32% synergy
Polluted Mire
33% of 3 decks +32% synergy
Wasteland
33% of 3 decks +30% synergy
Grim Backwoods
33% of 3 decks +30% synergy
Dakmor Salvage
33% of 3 decks +29% synergy
Temple of the False God
33% of 3 decks +28% synergy
Cabal Coffers
33% of 3 decks +28% synergy
Strip Mine
33% of 3 decks +28% synergy
Phyrexian Tower
33% of 3 decks +23% synergy
Rogue's Passage
33% of 3 decks +17% synergy
Urborg, Tomb of Yawgmoth
33% of 3 decks +13% synergy
Bojuka Bog
33% of 3 decks +3% synergy
Mana Artifacts
Sol Ring
100% of 3 decks +20% synergy
Talisman of Resilience
33% of 3 decks +25% synergy
Arcane Signet
33% of 3 decks -32% synergy
Lands
Temple of Silence
67% of 3 decks +51% synergy
Evolving Wilds
67% of 3 decks +38% synergy
Bountiful Promenade
67% of 3 decks +37% synergy
Marsh Flats
67% of 3 decks +32% synergy
Godless Shrine
67% of 3 decks +21% synergy
Overgrown Tomb
67% of 3 decks +19% synergy
Command Tower
67% of 3 decks -24% synergy
Tranquil Expanse
33% of 3 decks +33% synergy
Forsaken Sanctuary
33% of 3 decks +33% synergy
Foul Orchard
33% of 3 decks +32% synergy
Grasslands
33% of 3 decks +32% synergy
Riftstone Portal
33% of 3 decks +32% synergy
Selesnya Guildgate
33% of 3 decks +31% synergy
Golgari Guildgate
33% of 3 decks +31% synergy
Blossoming Sands
33% of 3 decks +26% synergy
Twilight Mire
33% of 3 decks +25% synergy
Ash Barrens
33% of 3 decks +24% synergy
Myriad Landscape
33% of 3 decks +22% synergy
Scrubland
33% of 3 decks +21% synergy
Bayou
33% of 3 decks +21% synergy
Savannah
33% of 3 decks +21% synergy
Scoured Barrens
33% of 3 decks +21% synergy
Fabled Passage
33% of 3 decks +20% synergy
Temple of Plenty
33% of 3 decks +18% synergy
Terramorphic Expanse
33% of 3 decks +17% synergy
Temple of Malady
33% of 3 decks +17% synergy
Selesnya Sanctuary
33% of 3 decks +16% synergy
Golgari Rot Farm
33% of 3 decks +14% synergy
Llanowar Wastes
33% of 3 decks +6% synergy
Vault of Champions
33% of 3 decks +5% synergy
Undergrowth Stadium
33% of 3 decks +2% synergy
Verdant Catacombs
33% of 3 decks -1% synergy
Windswept Heath
33% of 3 decks -2% synergy
Isolated Chapel
33% of 3 decks -4% synergy
Woodland Cemetery
33% of 3 decks -7% synergy
Canopy Vista
33% of 3 decks -12% synergy
Temple Garden
33% of 3 decks -13% synergy