Colfenor, the Last Yew
Pawn of Ulamog
Walking Ballista

   Prerequisites

What do I need to start this combo?
Walking Ballista in hand.
Colfenor and Pawn of Ulamog on the battlefield.

   Steps

How does this combo work?
1
Cast Walking Ballista by paying 0.
2
Walking Ballista enters the battlefield and dies as a state-based action due to having zero or less toughness.
3
Colfenor and Pawn of Ulamog trigger.
4
Resolve the Colfenor trigger, returning nothing from your graveyard to your hand.
5
Resolve the Pawn of Ulamog trigger, creating a 0/1 Eldrazi Spawn creature token.
6
Activate the Eldrazi Spawn by sacrificing it, adding .
7
The Eldrazi Spawn dies, triggering Colfenor, returning Walking Ballista from your graveyard to your hand.
8
Repeat.
9
Once you have a large amount of , you may cast Walking Ballista using an arbitrarily large amount of mana, then use its ability to deal infinite damage to any target(s).

   Results

What do I get from this combo?
Infinite +1/+1 counters on Walking Ballista
Infinite colorless mana
Infinite damage
Infinite death triggers
Infinite ETB
Infinite LTB
Infinite sacrifice triggers
Infinite storm count
Colfenor, the Last Yew
4.45% of 1102 decks 49 decks
Nethroi, Apex of Death
0.02% of 6323 decks 1 decks
Thalia and The Gitrog Monster
0.01% of 12481 decks 1 decks
High Synergy Cards
Hangarback Walker
84% of 51 decks +84% synergy
Ashnod's Altar
90% of 51 decks +78% synergy
Stonecoil Serpent
76% of 51 decks +76% synergy
Endless One
67% of 51 decks +67% synergy
Viscera Seer
78% of 51 decks +66% synergy
Carrion Feeder
69% of 51 decks +60% synergy
Altar of Dementia
61% of 51 decks +55% synergy
Zulaport Cutthroat
65% of 51 decks +55% synergy
Grim Haruspex
55% of 51 decks +51% synergy
Blood Artist
61% of 51 decks +51% synergy
Top Cards
Eternal Witness
67% of 51 decks +45% synergy
Swords to Plowshares
61% of 51 decks -3% synergy
Sakura-Tribe Elder
57% of 51 decks +36% synergy
Elas il-Kor, Sadistic Pilgrim
55% of 51 decks +42% synergy
Ugin's Conjurant
51% of 51 decks +51% synergy
Cruel Celebrant
51% of 51 decks +45% synergy
Phyrexian Altar
51% of 51 decks +45% synergy
Birds of Paradise
51% of 51 decks +15% synergy
Path to Exile
51% of 51 decks +4% synergy
Sifter of Skulls
49% of 51 decks +49% synergy
Game Changers
Vampiric Tutor
31% of 51 decks +19% synergy
Worldly Tutor
29% of 51 decks +19% synergy
Enlightened Tutor
27% of 51 decks +16% synergy
Demonic Tutor
27% of 51 decks +12% synergy
Ancient Tomb
22% of 51 decks +14% synergy
Aura Shards
20% of 51 decks +9% synergy
Teferi's Protection
18% of 51 decks +3% synergy
Mana Vault
10% of 51 decks +8% synergy
Survival of the Fittest
10% of 51 decks +7% synergy
Imperial Seal
8% of 51 decks +5% synergy
Creatures
Saffi Eriksdotter
49% of 51 decks +45% synergy
Pitiless Plunderer
49% of 51 decks +45% synergy
Faeburrow Elder
41% of 51 decks +31% synergy
Karmic Guide
39% of 51 decks +33% synergy
Syr Konrad, the Grim
37% of 51 decks +32% synergy
Beast Whisperer
37% of 51 decks +30% synergy
Reveillark
35% of 51 decks +31% synergy
Spore Frog
35% of 51 decks +31% synergy
Corpse Knight
35% of 51 decks +30% synergy
Shifting Wall
33% of 51 decks +33% synergy
Marketback Walker
33% of 18 decks +32% synergy
Woe Strider
33% of 51 decks +31% synergy
Willow Geist
29% of 51 decks +29% synergy
Teysa Karlov
29% of 51 decks +27% synergy
Tormod, the Desecrator
27% of 51 decks +27% synergy
Avacyn's Pilgrim
27% of 51 decks +10% synergy
Ornithopter
25% of 51 decks +25% synergy
Midnight Reaper
25% of 51 decks +23% synergy
Haywire Mite
25% of 51 decks +21% synergy
Elves of Deep Shadow
25% of 51 decks +13% synergy
Llanowar Elves
25% of 51 decks +12% synergy
Solemn Simulacrum
22% of 51 decks +16% synergy
Reclamation Sage
22% of 51 decks +16% synergy
Bloom Tender
22% of 51 decks +15% synergy
Sun Titan
22% of 51 decks +13% synergy
Esper Sentinel
22% of 51 decks +8% synergy
Foundation Breaker
20% of 51 decks +18% synergy
Shriekmaw
20% of 51 decks +18% synergy
Renegade Rallier
18% of 51 decks +17% synergy
Luminous Broodmoth
18% of 51 decks +13% synergy
Honest Rutstein
18% of 34 decks +13% synergy
Phyrexian Marauder
16% of 51 decks +16% synergy
Memnite
16% of 51 decks +16% synergy
Cryptic Trilobite
16% of 51 decks +14% synergy
Fertilid
16% of 51 decks +13% synergy
Recruiter of the Guard
16% of 51 decks +13% synergy
Treefolk Harbinger
16% of 51 decks +13% synergy
Fiend Artisan
16% of 51 decks +11% synergy
Ranger-Captain of Eos
16% of 51 decks +11% synergy
Dauthi Voidwalker
16% of 51 decks +11% synergy
Six
16% of 32 decks -0% synergy
Bartolomé del Presidio
14% of 42 decks +9% synergy
Fleshbag Marauder
14% of 51 decks +13% synergy
Farhaven Elf
14% of 51 decks +11% synergy
Yawgmoth, Thran Physician
14% of 51 decks +10% synergy
Fyndhorn Elves
14% of 51 decks +8% synergy
Elvish Mystic
14% of 51 decks +4% synergy
Delighted Halfling
14% of 51 decks -2% synergy
Marionette Apprentice
12% of 32 decks +8% synergy
Myr Retriever
12% of 51 decks +12% synergy
Instants
Beast Within
35% of 51 decks +10% synergy
Assassin's Trophy
35% of 51 decks +4% synergy
Entomb
33% of 51 decks +24% synergy
Eladamri's Call
29% of 51 decks +21% synergy
Despark
25% of 51 decks +14% synergy
Heroic Intervention
24% of 51 decks -3% synergy
Nature's Claim
22% of 51 decks +17% synergy
Anguished Unmaking
22% of 51 decks -13% synergy
Veil of Summer
18% of 51 decks +14% synergy
Abrupt Decay
18% of 51 decks +10% synergy
Generous Gift
18% of 51 decks +3% synergy
Malakir Rebirth
12% of 51 decks +8% synergy
Village Rites
12% of 51 decks +7% synergy
Grisly Salvage
12% of 51 decks +5% synergy
Putrefy
12% of 51 decks +3% synergy
Mortify
12% of 51 decks -3% synergy
Silence
10% of 51 decks +6% synergy
Dark Ritual
10% of 51 decks +4% synergy
Mythos of Nethroi
10% of 51 decks +3% synergy
Force of Vigor
8% of 51 decks +6% synergy
Deadly Dispute
8% of 51 decks +3% synergy
Entish Restoration
8% of 51 decks +2% synergy
Deadly Rollick
8% of 51 decks +2% synergy
Chord of Calling
8% of 51 decks +1% synergy
Abzan Charm
8% of 51 decks -1% synergy
Rushed Rebirth
6% of 51 decks +5% synergy
Plumb the Forbidden
6% of 51 decks +4% synergy
Utter End
6% of 51 decks +3% synergy
Krosan Grip
6% of 51 decks +3% synergy
Harrow
6% of 51 decks -3% synergy
Sorceries
Farseek
39% of 51 decks -5% synergy
Nature's Lore
37% of 51 decks +7% synergy
Toxic Deluge
31% of 51 decks +8% synergy
Rampant Growth
31% of 51 decks +4% synergy
Cultivate
31% of 51 decks -11% synergy
Diabolic Intent
29% of 51 decks +23% synergy
Three Visits
29% of 51 decks +7% synergy
Reanimate
27% of 51 decks +15% synergy
Damn
27% of 51 decks +14% synergy
Buried Alive
25% of 51 decks +17% synergy
Kodama's Reach
24% of 51 decks -1% synergy
Eerie Ultimatum
22% of 51 decks +0% synergy
Victimize
20% of 51 decks +12% synergy
Bala Ged Recovery
16% of 51 decks +8% synergy
Jarad's Orders
14% of 51 decks +12% synergy
Skyshroud Claim
14% of 51 decks +9% synergy
Wrath of God
12% of 51 decks +8% synergy
Eldritch Evolution
12% of 51 decks +7% synergy
Culling Ritual
12% of 51 decks +3% synergy
Ecological Appreciation
10% of 51 decks +10% synergy
Sign in Blood
10% of 51 decks +7% synergy
Duneblast
10% of 51 decks +6% synergy
Last March of the Ents
10% of 51 decks +5% synergy
Night's Whisper
10% of 51 decks -3% synergy
Finale of Devastation
8% of 51 decks +1% synergy
Beseech the Mirror
6% of 47 decks +5% synergy
Tendrils of Agony
6% of 51 decks +6% synergy
Final Parting
6% of 51 decks +5% synergy
Unearth
6% of 51 decks +4% synergy
Dig Up
6% of 51 decks +4% synergy
Grim Tutor
6% of 51 decks +4% synergy
Rise of the Witch-king
6% of 51 decks +3% synergy
Vindicate
6% of 51 decks +3% synergy
Read the Bones
6% of 51 decks +3% synergy
Slaughter the Strong
6% of 51 decks +0% synergy
Painful Truths
6% of 51 decks +0% synergy
Green Sun's Zenith
6% of 51 decks +0% synergy
Austere Command
6% of 51 decks -2% synergy
Utility Artifacts
Skullclamp
37% of 51 decks +24% synergy
Blasting Station
31% of 51 decks +31% synergy
Desecrated Tomb
24% of 51 decks +23% synergy
Birthing Pod
12% of 51 decks +8% synergy
The Great Henge
12% of 51 decks +6% synergy
The One Ring
10% of 51 decks +1% synergy
Lightning Greaves
10% of 51 decks -6% synergy
Swiftfoot Boots
8% of 51 decks -10% synergy
Spawning Pit
6% of 51 decks +6% synergy
Altar of the Brood
6% of 51 decks +5% synergy
Wishclaw Talisman
6% of 51 decks +4% synergy
Enchantments
Bastion of Remembrance
31% of 51 decks +28% synergy
Moldervine Reclamation
29% of 51 decks +22% synergy
Guardian Project
27% of 51 decks +21% synergy
Abzan Ascendancy
24% of 51 decks +18% synergy
Insidious Roots
21% of 39 decks +10% synergy
Gaea's Anthem
18% of 51 decks +17% synergy
Glorious Anthem
18% of 51 decks +17% synergy
Sylvan Library
18% of 51 decks +4% synergy
Enduring Renewal
16% of 51 decks +16% synergy
Mirari's Wake
16% of 51 decks +4% synergy
Lumithread Field
14% of 51 decks +14% synergy
Smothering Tithe
14% of 51 decks -1% synergy
Ripples of Undeath
12% of 32 decks +0% synergy
Always Watching
12% of 51 decks +12% synergy
Fecundity
12% of 51 decks +11% synergy
Death's Oasis
12% of 51 decks +9% synergy
Animate Dead
12% of 51 decks +5% synergy
Blight Mound
10% of 51 decks +10% synergy
Thran Vigil
10% of 51 decks +9% synergy
Evolutionary Leap
10% of 51 decks +8% synergy
Flowering of the White Tree
10% of 51 decks +7% synergy
Black Market Connections
10% of 51 decks +1% synergy
Phyrexian Arena
10% of 51 decks -5% synergy
Parapet
8% of 51 decks +8% synergy
Gutter Grime
8% of 51 decks +8% synergy
Fortifying Provisions
8% of 51 decks +8% synergy
Leyline of Vitality
8% of 51 decks +7% synergy
Land Tax
8% of 51 decks +6% synergy
Wild Growth
8% of 51 decks +1% synergy
Open the Graves
6% of 51 decks +6% synergy
Castle
6% of 51 decks +6% synergy
Golgari Germination
6% of 51 decks +5% synergy
Black Market
6% of 51 decks +5% synergy
Kaya's Ghostform
6% of 51 decks +5% synergy
Lignify
6% of 51 decks +4% synergy
Vampiric Rites
6% of 51 decks +4% synergy
Dictate of Erebos
6% of 51 decks +4% synergy
Journey to Eternity
6% of 51 decks +4% synergy
Spidersilk Armor
6% of 51 decks +4% synergy
Greater Good
6% of 51 decks +2% synergy
Deafening Silence
6% of 51 decks +2% synergy
The Meathook Massacre
6% of 51 decks +1% synergy
Assault Formation
6% of 51 decks -2% synergy
Utility Lands
Yavimaya, Cradle of Growth
39% of 51 decks +14% synergy
Urborg, Tomb of Yawgmoth
37% of 51 decks +18% synergy
Bojuka Bog
33% of 51 decks +3% synergy
Phyrexian Tower
29% of 51 decks +19% synergy
High Market
22% of 51 decks +17% synergy
Boseiju, Who Endures
22% of 51 decks +1% synergy
Takenuma, Abandoned Mire
18% of 51 decks +6% synergy
Reliquary Tower
12% of 51 decks -5% synergy
Grim Backwoods
10% of 51 decks +7% synergy
Urza's Saga
8% of 51 decks +4% synergy
Temple of the False God
8% of 51 decks +3% synergy
Gaea's Cradle
8% of 51 decks +2% synergy
Gavony Township
8% of 51 decks -1% synergy
Dryad Arbor
6% of 51 decks +1% synergy
Strip Mine
6% of 51 decks +0% synergy
Mana Artifacts
Sol Ring
80% of 51 decks +1% synergy
Arcane Signet
76% of 51 decks +10% synergy
Talisman of Resilience
22% of 51 decks +13% synergy
Talisman of Hierarchy
18% of 51 decks +10% synergy
Mana Crypt
16% of 51 decks +12% synergy
Talisman of Unity
14% of 51 decks +7% synergy
Jeweled Lotus
12% of 51 decks +10% synergy
Fellwar Stone
12% of 51 decks +4% synergy
Golgari Signet
12% of 51 decks +3% synergy
Lotus Petal
8% of 51 decks +5% synergy
Selesnya Signet
8% of 51 decks -1% synergy
Orzhov Signet
8% of 51 decks -1% synergy
Tangleroot
6% of 51 decks +6% synergy
Chromatic Lantern
6% of 51 decks -8% synergy
Lands
Command Tower
94% of 51 decks +3% synergy
Overgrown Tomb
65% of 51 decks +18% synergy
Godless Shrine
63% of 51 decks +18% synergy
Temple Garden
63% of 51 decks +17% synergy
Indatha Triome
57% of 51 decks +15% synergy
Exotic Orchard
55% of 51 decks -1% synergy
Undergrowth Stadium
49% of 51 decks +18% synergy
Marsh Flats
49% of 51 decks +15% synergy
Verdant Catacombs
47% of 51 decks +13% synergy
Llanowar Wastes
45% of 51 decks +18% synergy
Vault of Champions
43% of 51 decks +16% synergy
Windswept Heath
43% of 51 decks +8% synergy
Caves of Koilos
41% of 51 decks +13% synergy
Canopy Vista
39% of 51 decks -6% synergy
Bountiful Promenade
37% of 51 decks +8% synergy
Sunpetal Grove
35% of 51 decks -3% synergy
Murmuring Bosk
29% of 51 decks +9% synergy
Isolated Chapel
29% of 51 decks -10% synergy
Sandsteppe Citadel
27% of 51 decks -25% synergy
Underground Mortuary
26% of 39 decks +7% synergy
Lush Portico
26% of 39 decks +6% synergy
City of Brass
25% of 51 decks +16% synergy
Woodland Cemetery
25% of 51 decks -17% synergy
Savannah
24% of 51 decks +11% synergy
Overgrown Farmland
24% of 51 decks +3% synergy
Brushland
24% of 51 decks -4% synergy
Shadowy Backstreet
23% of 39 decks +6% synergy
Scrubland
22% of 51 decks +10% synergy
Bayou
22% of 51 decks +9% synergy
Terramorphic Expanse
22% of 51 decks +6% synergy
Temple of Silence
22% of 51 decks +5% synergy
Evolving Wilds
22% of 51 decks -7% synergy
Mana Confluence
20% of 51 decks +12% synergy
Deceptive Landscape
19% of 32 decks -6% synergy
Misty Rainforest
18% of 51 decks +8% synergy
Wooded Foothills
18% of 51 decks +8% synergy
Shattered Sanctum
18% of 51 decks +6% synergy
Fabled Passage
18% of 51 decks +5% synergy
Temple of Malady
18% of 51 decks +0% synergy
Flooded Strand
16% of 51 decks +8% synergy
Arid Mesa
16% of 51 decks +8% synergy
Polluted Delta
16% of 51 decks +8% synergy
Temple of Plenty
16% of 51 decks -0% synergy
Brightclimb Pathway
14% of 51 decks +7% synergy
Bloodstained Mire
14% of 51 decks +5% synergy
Tainted Field
14% of 51 decks +4% synergy
Myriad Landscape
14% of 51 decks +3% synergy
Deathcap Glade
14% of 51 decks -0% synergy
Fetid Heath
12% of 51 decks +6% synergy
Reflecting Pool
12% of 51 decks +6% synergy