Colfenor, the Last Yew + Ashnod's Altar + Walking Ballista + Shifting Wall

Colfenor, the Last Yew
Ashnod's Altar
Walking Ballista
Shifting Wall

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

Colfenor, the Last Yew
1.78% of 1012 decks 18 decks
High Synergy Cards
Stonecoil Serpent
94% of 18 decks +94% synergy
Ugin's Conjurant
89% of 18 decks +89% synergy
Endless One
89% of 18 decks +89% synergy
Hangarback Walker
89% of 18 decks +88% synergy
Altar of Dementia
83% of 18 decks +77% synergy
Pawn of Ulamog
67% of 18 decks +66% synergy
Phyrexian Altar
72% of 18 decks +65% synergy
Grim Haruspex
61% of 18 decks +56% synergy
Phyrexian Marauder
56% of 18 decks +56% synergy
Cruel Celebrant
61% of 18 decks +53% synergy
Top Cards
Elas il-Kor, Sadistic Pilgrim
67% of 12 decks +51% synergy
Viscera Seer
67% of 18 decks +51% synergy
Farseek
61% of 18 decks +17% synergy
Pitiless Plunderer
56% of 18 decks +51% synergy
Beast Whisperer
56% of 18 decks +48% synergy
Blood Artist
56% of 18 decks +44% synergy
Zulaport Cutthroat
56% of 18 decks +43% synergy
Sifter of Skulls
50% of 18 decks +50% synergy
Carrion Feeder
50% of 18 decks +40% synergy
Sakura-Tribe Elder
50% of 18 decks +27% synergy
Creatures
Memnite
44% of 18 decks +44% synergy
Tormod, the Desecrator
44% of 18 decks +44% synergy
Saffi Eriksdotter
44% of 18 decks +39% synergy
Eternal Witness
44% of 18 decks +19% synergy
Birds of Paradise
44% of 18 decks +8% synergy
Cryptic Trilobite
39% of 18 decks +37% synergy
Midnight Reaper
39% of 18 decks +36% synergy
Corpse Knight
39% of 18 decks +33% synergy
Omarthis, Ghostfire Initiate
38% of 8 decks +37% synergy
Syr Konrad, the Grim
33% of 18 decks +26% synergy
Faeburrow Elder
33% of 18 decks +25% synergy
Delighted Halfling
33% of 9 decks +13% synergy
Renegade Rallier
28% of 18 decks +26% synergy
Woe Strider
28% of 18 decks +24% synergy
Reveillark
28% of 18 decks +22% synergy
Bloom Tender
28% of 18 decks +20% synergy
Willow Geist
25% of 16 decks +24% synergy
Ornithopter
22% of 18 decks +22% synergy
Solemn Simulacrum
22% of 18 decks +16% synergy
Karmic Guide
22% of 18 decks +15% synergy
Doomed Dissenter
17% of 18 decks +17% synergy
Dimir House Guard
17% of 18 decks +16% synergy
Harvester of Souls
17% of 18 decks +16% synergy
Renata, Called to the Hunt
17% of 18 decks +14% synergy
Heliod, Sun-Crowned
17% of 18 decks +12% synergy
Protean Hulk
17% of 18 decks +12% synergy
Spore Frog
17% of 18 decks +12% synergy
Fauna Shaman
17% of 18 decks +11% synergy
Reclamation Sage
17% of 18 decks +9% synergy
Esper Sentinel
17% of 18 decks +2% synergy
Llanowar Elves
17% of 18 decks +1% synergy
Instants
Swords to Plowshares
50% of 18 decks -13% synergy
Eladamri's Call
44% of 18 decks +35% synergy
Enlightened Tutor
44% of 18 decks +32% synergy
Vampiric Tutor
44% of 18 decks +30% synergy
Teferi's Protection
44% of 18 decks +29% synergy
Despark
39% of 18 decks +29% synergy
Heroic Intervention
39% of 18 decks +14% synergy
Assassin's Trophy
39% of 18 decks +8% synergy
Entomb
28% of 18 decks +18% synergy
Worldly Tutor
28% of 18 decks +16% synergy
Path to Exile
28% of 18 decks -17% synergy
Mythos of Nethroi
22% of 18 decks +13% synergy
Nature's Claim
17% of 18 decks +11% synergy
Dark Ritual
17% of 18 decks +11% synergy
Abrupt Decay
17% of 18 decks +8% synergy
Beast Within
17% of 18 decks -12% synergy
Anguished Unmaking
17% of 18 decks -13% synergy
Sorceries
Demonic Tutor
44% of 18 decks +27% synergy
Nature's Lore
44% of 18 decks +14% synergy
Diabolic Intent
39% of 18 decks +31% synergy
Damn
33% of 18 decks +18% synergy
Kodama's Reach
33% of 18 decks +8% synergy
Rampant Growth
33% of 18 decks +6% synergy
Wrath of God
28% of 18 decks +23% synergy
Three Visits
28% of 18 decks +5% synergy
Cultivate
28% of 18 decks -18% synergy
Reanimate
22% of 18 decks +12% synergy
Toxic Deluge
22% of 18 decks +2% synergy
Eerie Ultimatum
22% of 18 decks +0% synergy
Sign in Blood
17% of 18 decks +13% synergy
Finale of Devastation
17% of 18 decks +10% synergy
Victimize
17% of 18 decks +9% synergy
Buried Alive
17% of 18 decks +9% synergy
Bala Ged Recovery
17% of 18 decks +8% synergy
Utility Artifacts
Blasting Station
44% of 18 decks +44% synergy
Skullclamp
39% of 18 decks +24% synergy
Desecrated Tomb
17% of 18 decks +16% synergy
Aetherflux Reservoir
17% of 18 decks +11% synergy
The Great Henge
17% of 18 decks +11% synergy
Enchantments
Always Watching
33% of 18 decks +33% synergy
Mirari's Wake
33% of 18 decks +20% synergy
Smothering Tithe
33% of 18 decks +17% synergy
Parapet
28% of 18 decks +28% synergy
Lumithread Field
28% of 18 decks +28% synergy
Glorious Anthem
28% of 18 decks +28% synergy
Bastion of Remembrance
28% of 18 decks +23% synergy
Abzan Ascendancy
28% of 18 decks +22% synergy
Guardian Project
28% of 18 decks +22% synergy
Phyrexian Arena
28% of 18 decks +13% synergy
Sylvan Library
28% of 18 decks +13% synergy
Enduring Renewal
22% of 18 decks +22% synergy
Blight Mound
22% of 18 decks +22% synergy
Black Market
22% of 18 decks +21% synergy
Gutter Grime
17% of 18 decks +17% synergy
Fortifying Provisions
17% of 18 decks +17% synergy
Gaea's Anthem
17% of 18 decks +16% synergy
Leyline of Vitality
17% of 18 decks +16% synergy
Golgari Germination
17% of 18 decks +16% synergy
Abundance
17% of 18 decks +14% synergy
Aura Shards
17% of 18 decks +5% synergy
Utility Lands
Ancient Tomb
50% of 18 decks +42% synergy
Takenuma, Abandoned Mire
43% of 14 decks +29% synergy
Boseiju, Who Endures
43% of 14 decks +21% synergy
Castle Garenbrig
28% of 18 decks +27% synergy
High Market
28% of 18 decks +22% synergy
Phyrexian Tower
22% of 18 decks +11% synergy
Bojuka Bog
22% of 18 decks -8% synergy
Castle Locthwain
17% of 18 decks +15% synergy
Urza's Saga
17% of 18 decks +12% synergy
Strip Mine
17% of 18 decks +11% synergy
Gavony Township
17% of 18 decks +7% synergy
Urborg, Tomb of Yawgmoth
17% of 18 decks -4% synergy
Yavimaya, Cradle of Growth
17% of 18 decks -10% synergy
Mana Artifacts
Arcane Signet
83% of 18 decks +18% synergy
Sol Ring
78% of 18 decks -2% synergy
Mana Crypt
39% of 18 decks +32% synergy
Jeweled Lotus
28% of 18 decks +24% synergy
Talisman of Unity
22% of 18 decks +16% synergy
Talisman of Hierarchy
22% of 18 decks +16% synergy
Talisman of Resilience
22% of 18 decks +15% synergy
Selesnya Signet
22% of 18 decks +15% synergy
Orzhov Signet
22% of 18 decks +14% synergy
Fellwar Stone
22% of 18 decks +13% synergy
Golgari Signet
22% of 18 decks +11% synergy
Lands
Command Tower
89% of 18 decks -2% synergy
Godless Shrine
67% of 18 decks +20% synergy
Temple Garden
67% of 18 decks +19% synergy
Overgrown Tomb
67% of 18 decks +18% synergy
Exotic Orchard
67% of 18 decks +11% synergy
Vault of Champions
61% of 18 decks +32% synergy
Undergrowth Stadium
61% of 18 decks +28% synergy
Marsh Flats
56% of 18 decks +21% synergy
Verdant Catacombs
56% of 18 decks +21% synergy
Indatha Triome
56% of 18 decks +12% synergy
Windswept Heath
50% of 18 decks +16% synergy
Mana Confluence
44% of 18 decks +36% synergy
City of Brass
44% of 18 decks +35% synergy
Overgrown Farmland
44% of 16 decks +27% synergy
Shattered Sanctum
43% of 14 decks +31% synergy
Fabled Passage
39% of 18 decks +25% synergy
Bountiful Promenade
39% of 18 decks +8% synergy
Sunpetal Grove
39% of 18 decks +5% synergy
Isolated Chapel
39% of 18 decks +4% synergy
Woodland Cemetery
39% of 18 decks +1% synergy
Murmuring Bosk
33% of 18 decks +13% synergy
Llanowar Wastes
33% of 18 decks +7% synergy
Caves of Koilos
33% of 18 decks +6% synergy
Deathcap Glade
29% of 14 decks +14% synergy
Horizon Canopy
28% of 18 decks +20% synergy
Flooded Strand
28% of 18 decks +20% synergy
Branchloft Pathway
28% of 18 decks +19% synergy
Arid Mesa
28% of 18 decks +19% synergy
Scrubland
28% of 18 decks +15% synergy
Savannah
28% of 18 decks +15% synergy
Bayou
28% of 18 decks +15% synergy
Brushland
28% of 18 decks +3% synergy
Sandsteppe Citadel
28% of 18 decks -23% synergy
Prismatic Vista
22% of 18 decks +16% synergy
Nurturing Peatland
22% of 18 decks +16% synergy
Tainted Field
22% of 18 decks +11% synergy
Tainted Wood
22% of 18 decks +11% synergy
Canopy Vista
22% of 18 decks -23% synergy
Thriving Moor
17% of 18 decks +15% synergy
Reflecting Pool
17% of 18 decks +10% synergy
Jungle Hollow
17% of 18 decks +9% synergy
Brightclimb Pathway
17% of 18 decks +9% synergy
Darkbore Pathway
17% of 18 decks +9% synergy
Polluted Delta
17% of 18 decks +9% synergy
Bloodstained Mire
17% of 18 decks +8% synergy
Wooded Foothills
17% of 18 decks +7% synergy
Misty Rainforest
17% of 18 decks +6% synergy
Scoured Barrens
17% of 18 decks +4% synergy
Myriad Landscape
17% of 18 decks +3% synergy
Temple of Plenty
17% of 18 decks +1% synergy