Colfenor, the Last Yew + Ashnod's Altar + Shifting Wall + Stonecoil Serpent

Colfenor, the Last Yew
Ashnod's Altar
Shifting Wall
Stonecoil Serpent

Requires
Colfenor, the Last Yew must be on the battlefield. Ashnod's Altar must be on the battlefield. Shifting Wall must be on the battlefield. Stonecoil Serpent must be in the graveyard. At least one +1/+1 counter on Shifting Wall.
Steps
  1. Sacrifice Shifting Wall to Ashnod's Altar for .
  2. Colfenor triggers, returning Stonecoil Serpent from your graveyard to your hand.
  3. Cast Stonecoil Serpent for 1.
  4. Sacrifice Stonecoil Serpent to Ashnod's Altar for .
  5. Colfenor triggers, returning Shifting Wall from your graveyard to your hand.
  6. Cast Shifting Wall for 1.
  7. Repeat.
Results
Infinite colorless mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers. Infinite storm count.

Colfenor, the Last Yew
3.82% of 1048 decks 40 decks
High Synergy Cards
Ugin's Conjurant
82% of 40 decks +82% synergy
Hangarback Walker
82% of 40 decks +82% synergy
Endless One
75% of 40 decks +75% synergy
Viscera Seer
82% of 40 decks +66% synergy
Zulaport Cutthroat
75% of 40 decks +62% synergy
Cruel Celebrant
68% of 40 decks +59% synergy
Pawn of Ulamog
60% of 40 decks +59% synergy
Altar of Dementia
65% of 40 decks +58% synergy
Blood Artist
70% of 40 decks +57% synergy
Grim Haruspex
62% of 40 decks +57% synergy
Top Cards
Elas il-Kor, Sadistic Pilgrim
66% of 29 decks +49% synergy
Sakura-Tribe Elder
65% of 40 decks +41% synergy
Farseek
60% of 40 decks +17% synergy
Phyrexian Altar
57% of 40 decks +50% synergy
Swords to Plowshares
57% of 40 decks -5% synergy
Walking Ballista
55% of 40 decks +52% synergy
Beast Whisperer
52% of 40 decks +44% synergy
Carrion Feeder
52% of 40 decks +41% synergy
Eternal Witness
52% of 40 decks +26% synergy
Phyrexian Marauder
50% of 40 decks +50% synergy
Creatures
Bartolomé del Presidio
45% of 11 decks +37% synergy
Midnight Reaper
45% of 40 decks +42% synergy
Pitiless Plunderer
45% of 40 decks +40% synergy
Woe Strider
42% of 40 decks +38% synergy
Corpse Knight
42% of 40 decks +36% synergy
Birds of Paradise
42% of 40 decks +6% synergy
Faeburrow Elder
40% of 40 decks +31% synergy
Cryptic Trilobite
38% of 40 decks +35% synergy
Saffi Eriksdotter
38% of 40 decks +32% synergy
Syr Konrad, the Grim
38% of 40 decks +30% synergy
Ornithopter
35% of 40 decks +35% synergy
Solemn Simulacrum
32% of 40 decks +25% synergy
Reclamation Sage
32% of 40 decks +24% synergy
Llanowar Elves
32% of 40 decks +16% synergy
Sifter of Skulls
30% of 40 decks +30% synergy
Tormod, the Desecrator
30% of 40 decks +29% synergy
Foundation Breaker
28% of 40 decks +26% synergy
Farhaven Elf
28% of 40 decks +24% synergy
Spore Frog
28% of 40 decks +22% synergy
Wood Elves
28% of 40 decks +20% synergy
Avacyn's Pilgrim
28% of 40 decks +6% synergy
Haywire Mite
26% of 23 decks +22% synergy
Memnite
25% of 40 decks +25% synergy
Reveillark
25% of 40 decks +19% synergy
Esper Sentinel
25% of 40 decks +10% synergy
Omarthis, Ghostfire Initiate
23% of 13 decks +23% synergy
Dimir House Guard
22% of 40 decks +22% synergy
Willow Geist
21% of 38 decks +20% synergy
Karmic Guide
20% of 40 decks +12% synergy
Fyndhorn Elves
20% of 40 decks +11% synergy
Elves of Deep Shadow
20% of 40 decks +5% synergy
Delighted Halfling
20% of 15 decks -1% synergy
Diligent Farmhand
18% of 40 decks +17% synergy
Protean Hulk
18% of 40 decks +13% synergy
Elvish Mystic
18% of 40 decks +5% synergy
Old Stickfingers
16% of 38 decks +11% synergy
Myr Retriever
15% of 40 decks +15% synergy
Falkenrath Noble
15% of 40 decks +14% synergy
Renegade Rallier
15% of 40 decks +13% synergy
Shriekmaw
15% of 40 decks +12% synergy
Plaguecrafter
15% of 40 decks +11% synergy
Knight of Autumn
15% of 40 decks +11% synergy
Fiend Artisan
15% of 40 decks +9% synergy
Bloom Tender
15% of 40 decks +7% synergy
Shambling Ghast
13% of 38 decks +13% synergy
Myr Moonvessel
12% of 40 decks +12% synergy
Doomed Dissenter
12% of 40 decks +12% synergy
Bloodthrone Vampire
12% of 40 decks +12% synergy
Flesh-Eater Imp
12% of 40 decks +12% synergy
Recruiter of the Guard
12% of 40 decks +10% synergy
Instants
Assassin's Trophy
40% of 40 decks +9% synergy
Vampiric Tutor
35% of 40 decks +20% synergy
Eladamri's Call
30% of 40 decks +20% synergy
Beast Within
30% of 40 decks +1% synergy
Enlightened Tutor
28% of 40 decks +14% synergy
Heroic Intervention
28% of 40 decks +3% synergy
Path to Exile
28% of 40 decks -16% synergy
Despark
25% of 40 decks +14% synergy
Worldly Tutor
25% of 40 decks +13% synergy
Teferi's Protection
25% of 40 decks +9% synergy
Anguished Unmaking
22% of 40 decks -7% synergy
Mythos of Nethroi
20% of 40 decks +10% synergy
Entomb
20% of 40 decks +10% synergy
Generous Gift
20% of 40 decks +4% synergy
Village Rites
18% of 40 decks +11% synergy
Tear Asunder
14% of 29 decks +9% synergy
Malakir Rebirth
12% of 40 decks +8% synergy
Deadly Dispute
11% of 38 decks +5% synergy
Rushed Rebirth
10% of 40 decks +9% synergy
Dark Ritual
10% of 40 decks +4% synergy
Nature's Claim
10% of 40 decks +4% synergy
Mortify
10% of 40 decks -7% synergy
Rally the Ancestors
8% of 40 decks +7% synergy
Tragic Slip
8% of 40 decks +7% synergy
Ad Nauseam
8% of 40 decks +6% synergy
Return to Nature
8% of 40 decks +6% synergy
Silence
8% of 40 decks +3% synergy
Veil of Summer
8% of 40 decks +3% synergy
Abrupt Decay
8% of 40 decks -1% synergy
Abzan Charm
8% of 40 decks -3% synergy
Sorceries
Nature's Lore
40% of 40 decks +9% synergy
Demonic Tutor
38% of 40 decks +19% synergy
Rampant Growth
38% of 40 decks +10% synergy
Diabolic Intent
35% of 40 decks +27% synergy
Three Visits
32% of 40 decks +10% synergy
Cultivate
32% of 40 decks -14% synergy
Damn
30% of 40 decks +14% synergy
Kodama's Reach
28% of 40 decks +1% synergy
Wrath of God
22% of 40 decks +17% synergy
Ecological Appreciation
20% of 40 decks +20% synergy
Dig Up
19% of 36 decks +17% synergy
Buried Alive
18% of 40 decks +9% synergy
Bala Ged Recovery
18% of 40 decks +9% synergy
Toxic Deluge
18% of 40 decks -2% synergy
Eerie Ultimatum
18% of 40 decks -5% synergy
Tendrils of Agony
15% of 40 decks +15% synergy
Sign in Blood
15% of 40 decks +12% synergy
Austere Command
15% of 40 decks +7% synergy
Primal Growth
12% of 40 decks +12% synergy
Damnation
12% of 40 decks +9% synergy
Reanimate
12% of 40 decks +3% synergy
Slaughter the Strong
10% of 40 decks +8% synergy
Cleansing Nova
10% of 40 decks +8% synergy
Victimize
10% of 40 decks +3% synergy
Harmonize
10% of 40 decks +0% synergy
Night's Whisper
10% of 40 decks -5% synergy
Ascend from Avernus
9% of 32 decks +8% synergy
Glimpse of Nature
8% of 40 decks +7% synergy
Day of Judgment
8% of 40 decks +6% synergy
Ondu Inversion
8% of 40 decks +6% synergy
Grim Tutor
8% of 40 decks +5% synergy
Jarad's Orders
8% of 40 decks +5% synergy
Read the Bones
8% of 40 decks +3% synergy
Finale of Devastation
8% of 40 decks +0% synergy
Painful Truths
8% of 40 decks -0% synergy
Culling Ritual
8% of 40 decks -3% synergy
Dusk // Dawn
8% of 40 decks -3% synergy
Utility Artifacts
Blasting Station
38% of 40 decks +37% synergy
Skullclamp
35% of 40 decks +19% synergy
Desecrated Tomb
18% of 40 decks +17% synergy
Aetherflux Reservoir
10% of 40 decks +5% synergy
The Great Henge
10% of 40 decks +4% synergy
Spear of Heliod
8% of 40 decks +7% synergy
Bontu's Monument
8% of 40 decks +7% synergy
Birthing Pod
8% of 40 decks +3% synergy
Bolas's Citadel
8% of 40 decks +1% synergy
Lightning Greaves
8% of 40 decks -9% synergy
Enchantments
Insidious Roots
50% of 8 decks +29% synergy
Lumithread Field
38% of 40 decks +37% synergy
Bastion of Remembrance
38% of 40 decks +33% synergy
Mirari's Wake
35% of 40 decks +22% synergy
Parapet
30% of 40 decks +30% synergy
Glorious Anthem
28% of 40 decks +27% synergy
Guardian Project
28% of 40 decks +21% synergy
Gaea's Anthem
25% of 40 decks +25% synergy
Fecundity
25% of 40 decks +23% synergy
Moldervine Reclamation
25% of 40 decks +15% synergy
Always Watching
20% of 40 decks +20% synergy
Castle
18% of 40 decks +17% synergy
Fortifying Provisions
18% of 40 decks +17% synergy
Leyline of Vitality
18% of 40 decks +17% synergy
Aura Shards
18% of 40 decks +6% synergy
Sylvan Library
18% of 40 decks +2% synergy
Smothering Tithe
18% of 40 decks +0% synergy
The Meathook Massacre
16% of 38 decks +11% synergy
Enduring Renewal
15% of 40 decks +15% synergy
Spidersilk Armor
15% of 40 decks +13% synergy
Abzan Ascendancy
15% of 40 decks +9% synergy
Dark Prophecy
12% of 40 decks +12% synergy
Phyrexian Reclamation
12% of 40 decks +11% synergy
Evolutionary Leap
12% of 40 decks +10% synergy
Phyrexian Arena
12% of 40 decks -2% synergy
Black Market
10% of 40 decks +9% synergy
Death's Oasis
10% of 40 decks +7% synergy
Builder's Blessing
8% of 40 decks +7% synergy
Blight Mound
8% of 40 decks +7% synergy
Utility Lands
Phyrexian Tower
25% of 40 decks +14% synergy
Bojuka Bog
25% of 40 decks -5% synergy
High Market
22% of 40 decks +16% synergy
Ancient Tomb
22% of 40 decks +14% synergy
Boseiju, Who Endures
21% of 34 decks -2% synergy
Takenuma, Abandoned Mire
18% of 34 decks +4% synergy
Urborg, Tomb of Yawgmoth
18% of 40 decks -4% synergy
Yavimaya, Cradle of Growth
18% of 40 decks -9% synergy
Castle Garenbrig
10% of 40 decks +9% synergy
Buried Ruin
8% of 40 decks +7% synergy
Castle Locthwain
8% of 40 decks +6% synergy
Urza's Saga
8% of 40 decks +3% synergy
Dryad Arbor
8% of 40 decks +2% synergy
Gavony Township
8% of 40 decks -3% synergy
Mana Artifacts
Sol Ring
80% of 40 decks -0% synergy
Arcane Signet
78% of 40 decks +12% synergy
Mana Crypt
22% of 40 decks +14% synergy
Jeweled Lotus
20% of 40 decks +16% synergy
Talisman of Hierarchy
20% of 40 decks +14% synergy
Talisman of Resilience
20% of 40 decks +13% synergy
Golgari Signet
18% of 40 decks +6% synergy
Talisman of Unity
15% of 40 decks +9% synergy
Orzhov Signet
15% of 40 decks +7% synergy
Fellwar Stone
12% of 40 decks +3% synergy
Tangleroot
10% of 40 decks +10% synergy
Selesnya Signet
10% of 40 decks +2% synergy
Commander's Sphere
10% of 40 decks -4% synergy
Lands
Command Tower
85% of 40 decks -6% synergy
Undergrowth Stadium
65% of 40 decks +32% synergy
Indatha Triome
62% of 40 decks +18% synergy
Overgrown Tomb
62% of 40 decks +14% synergy
Vault of Champions
60% of 40 decks +31% synergy
Godless Shrine
60% of 40 decks +13% synergy
Temple Garden
57% of 40 decks +10% synergy
Exotic Orchard
55% of 40 decks -0% synergy
Sandsteppe Citadel
52% of 40 decks +1% synergy
Marsh Flats
50% of 40 decks +15% synergy
Caves of Koilos
48% of 40 decks +20% synergy
Llanowar Wastes
45% of 40 decks +18% synergy
Verdant Catacombs
42% of 40 decks +7% synergy
Sunpetal Grove
40% of 40 decks +6% synergy
Woodland Cemetery
40% of 40 decks +3% synergy
Canopy Vista
40% of 40 decks -5% synergy
Windswept Heath
38% of 40 decks +4% synergy
Bountiful Promenade
35% of 40 decks +3% synergy
Isolated Chapel
35% of 40 decks +1% synergy
Mana Confluence
28% of 40 decks +19% synergy
City of Brass
28% of 40 decks +18% synergy
Overgrown Farmland
26% of 38 decks +10% synergy
Fabled Passage
25% of 40 decks +12% synergy
Murmuring Bosk
25% of 40 decks +4% synergy
Branchloft Pathway
20% of 40 decks +11% synergy
Terramorphic Expanse
20% of 40 decks +3% synergy
Evolving Wilds
20% of 40 decks -8% synergy
Shattered Sanctum
19% of 36 decks +7% synergy
Flooded Strand
18% of 40 decks +10% synergy
Temple of Plenty
18% of 40 decks +2% synergy
Krosan Verge
18% of 40 decks +1% synergy
Temple of Malady
18% of 40 decks -0% synergy
Brushland
18% of 40 decks -7% synergy
Deathcap Glade
17% of 36 decks +2% synergy
Nurturing Peatland
15% of 40 decks +9% synergy
Brightclimb Pathway
15% of 40 decks +7% synergy
Tainted Field
15% of 40 decks +4% synergy
Temple of Silence
15% of 40 decks -2% synergy
Prismatic Vista
12% of 40 decks +7% synergy
Horizon Canopy
12% of 40 decks +5% synergy
Darkbore Pathway
12% of 40 decks +4% synergy
Fetid Heath
10% of 40 decks +4% synergy
Arid Mesa
10% of 40 decks +1% synergy
Misty Rainforest
10% of 40 decks -0% synergy
Tainted Wood
10% of 40 decks -1% synergy
Scoured Barrens
10% of 40 decks -2% synergy
Scrubland
10% of 40 decks -3% synergy
Savannah
10% of 40 decks -3% synergy
Bayou
10% of 40 decks -3% synergy
Myriad Landscape
10% of 40 decks -4% synergy