Colfenor, the Last Yew + Ashnod's Altar + Walking Ballista + Phyrexian Marauder

Colfenor, the Last Yew
Ashnod's Altar
Walking Ballista
Phyrexian Marauder

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. Phyrexian Marauder 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 Phyrexian Marauder from your graveyard to your hand.
  3. Cast Phyrexian Marauder for 1.
  4. Sacrifice Phyrexian Marauder 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
1.34% of 1048 decks 14 decks
High Synergy Cards
Hangarback Walker
100% of 14 decks +99% synergy
Shifting Wall
93% of 14 decks +93% synergy
Stonecoil Serpent
93% of 14 decks +92% synergy
Ugin's Conjurant
86% of 14 decks +86% synergy
Endless One
86% of 14 decks +85% synergy
Pawn of Ulamog
86% of 14 decks +84% synergy
Viscera Seer
93% of 14 decks +76% synergy
Pitiless Plunderer
79% of 14 decks +74% synergy
Phyrexian Altar
79% of 14 decks +71% synergy
Blasting Station
71% of 14 decks +71% synergy
Top Cards
Zulaport Cutthroat
79% of 14 decks +65% synergy
Elas il-Kor, Sadistic Pilgrim
73% of 11 decks +57% synergy
Altar of Dementia
71% of 14 decks +64% synergy
Cruel Celebrant
71% of 14 decks +63% synergy
Blood Artist
64% of 14 decks +51% synergy
Farseek
64% of 14 decks +21% synergy
Sifter of Skulls
57% of 14 decks +57% synergy
Grim Haruspex
57% of 14 decks +51% synergy
Corpse Knight
57% of 14 decks +51% synergy
Carrion Feeder
57% of 14 decks +46% synergy
Creatures
Sakura-Tribe Elder
57% of 14 decks +33% synergy
Woe Strider
50% of 14 decks +46% synergy
Saffi Eriksdotter
50% of 14 decks +44% synergy
Cryptic Trilobite
43% of 14 decks +41% synergy
Haywire Mite
38% of 8 decks +34% synergy
Memnite
36% of 14 decks +36% synergy
Tormod, the Desecrator
36% of 14 decks +35% synergy
Midnight Reaper
36% of 14 decks +32% synergy
Faeburrow Elder
36% of 14 decks +27% synergy
Avacyn's Pilgrim
36% of 14 decks +14% synergy
Birds of Paradise
36% of 14 decks -1% synergy
Doomed Dissenter
29% of 14 decks +28% synergy
Protean Hulk
29% of 14 decks +24% synergy
Spore Frog
29% of 14 decks +23% synergy
Syr Konrad, the Grim
29% of 14 decks +21% synergy
Beast Whisperer
29% of 14 decks +21% synergy
Elves of Deep Shadow
29% of 14 decks +14% synergy
Llanowar Elves
29% of 14 decks +12% synergy
Eternal Witness
29% of 14 decks +2% synergy
Myr Retriever
21% of 14 decks +21% synergy
Willow Geist
21% of 14 decks +21% synergy
Renegade Rallier
21% of 14 decks +20% synergy
Fauna Shaman
21% of 14 decks +16% synergy
Fiend Artisan
21% of 14 decks +16% synergy
Opposition Agent
21% of 14 decks +14% synergy
Dauthi Voidwalker
21% of 14 decks +14% synergy
Grand Abolisher
21% of 14 decks +14% synergy
Drannith Magistrate
21% of 14 decks +14% synergy
Elvish Mystic
21% of 14 decks +9% synergy
Esper Sentinel
21% of 14 decks +6% synergy
Instants
Vampiric Tutor
57% of 14 decks +43% synergy
Swords to Plowshares
57% of 14 decks -6% synergy
Eladamri's Call
43% of 14 decks +33% synergy
Enlightened Tutor
43% of 14 decks +30% synergy
Despark
36% of 14 decks +25% synergy
Heroic Intervention
36% of 14 decks +11% synergy
Anguished Unmaking
36% of 14 decks +6% synergy
Assassin's Trophy
36% of 14 decks +5% synergy
Path to Exile
36% of 14 decks -8% synergy
Mythos of Nethroi
29% of 14 decks +19% synergy
Entomb
29% of 14 decks +18% synergy
Worldly Tutor
29% of 14 decks +16% synergy
Beast Within
29% of 14 decks -1% synergy
Tragic Slip
21% of 14 decks +21% synergy
Village Rites
21% of 14 decks +15% synergy
Teferi's Protection
21% of 14 decks +5% synergy
Sorceries
Demonic Tutor
64% of 14 decks +46% synergy
Nature's Lore
43% of 14 decks +12% synergy
Diabolic Intent
36% of 14 decks +28% synergy
Three Visits
36% of 14 decks +13% synergy
Rampant Growth
36% of 14 decks +8% synergy
Sign in Blood
29% of 14 decks +25% synergy
Eerie Ultimatum
29% of 14 decks +6% synergy
Kodama's Reach
29% of 14 decks +2% synergy
Cultivate
29% of 14 decks -18% synergy
Primal Growth
21% of 14 decks +21% synergy
Jarad's Orders
21% of 14 decks +19% synergy
Damnation
21% of 14 decks +18% synergy
Buried Alive
21% of 14 decks +13% synergy
Bala Ged Recovery
21% of 14 decks +13% synergy
Damn
21% of 14 decks +5% synergy
Utility Artifacts
Skullclamp
43% of 14 decks +27% synergy
Desecrated Tomb
29% of 14 decks +28% synergy
Bontu's Monument
21% of 14 decks +21% synergy
Enchantments
Bastion of Remembrance
43% of 14 decks +38% synergy
Parapet
36% of 14 decks +36% synergy
Lumithread Field
36% of 14 decks +36% synergy
Phyrexian Arena
36% of 14 decks +21% synergy
Blight Mound
29% of 14 decks +28% synergy
Abzan Ascendancy
29% of 14 decks +23% synergy
Golgari Germination
21% of 14 decks +20% synergy
Fecundity
21% of 14 decks +20% synergy
The Meathook Massacre
21% of 14 decks +17% synergy
Smothering Tithe
21% of 14 decks +4% synergy
Utility Lands
Takenuma, Abandoned Mire
46% of 13 decks +33% synergy
Boseiju, Who Endures
46% of 13 decks +24% synergy
Yavimaya, Cradle of Growth
43% of 14 decks +16% synergy
Phyrexian Tower
36% of 14 decks +25% synergy
Bojuka Bog
36% of 14 decks +6% synergy
Ancient Tomb
29% of 14 decks +20% synergy
Urborg, Tomb of Yawgmoth
29% of 14 decks +7% synergy
Mana Artifacts
Arcane Signet
93% of 14 decks +28% synergy
Sol Ring
93% of 14 decks +12% synergy
Jeweled Lotus
36% of 14 decks +32% synergy
Mana Crypt
36% of 14 decks +28% synergy
Talisman of Hierarchy
29% of 14 decks +22% synergy
Fellwar Stone
29% of 14 decks +19% synergy
Talisman of Unity
21% of 14 decks +16% synergy
Talisman of Resilience
21% of 14 decks +14% synergy
Orzhov Signet
21% of 14 decks +13% synergy
Golgari Signet
21% of 14 decks +10% synergy
Commander's Sphere
21% of 14 decks +7% synergy
Lands
Command Tower
86% of 14 decks -5% synergy
Overgrown Tomb
79% of 14 decks +30% synergy
Undergrowth Stadium
71% of 14 decks +38% synergy
Temple Garden
71% of 14 decks +24% synergy
Vault of Champions
64% of 14 decks +35% synergy
Marsh Flats
64% of 14 decks +30% synergy
Indatha Triome
64% of 14 decks +20% synergy
Godless Shrine
64% of 14 decks +18% synergy
Sunpetal Grove
57% of 14 decks +23% synergy
Verdant Catacombs
57% of 14 decks +22% synergy
Woodland Cemetery
57% of 14 decks +20% synergy
Exotic Orchard
57% of 14 decks +2% synergy
Overgrown Farmland
50% of 14 decks +33% synergy
Windswept Heath
50% of 14 decks +16% synergy
Isolated Chapel
50% of 14 decks +16% synergy
Shattered Sanctum
43% of 14 decks +31% synergy
Caves of Koilos
43% of 14 decks +16% synergy
Bountiful Promenade
43% of 14 decks +11% synergy
Deathcap Glade
36% of 14 decks +21% synergy
Llanowar Wastes
36% of 14 decks +9% synergy
Sandsteppe Citadel
36% of 14 decks -15% synergy
Nurturing Peatland
29% of 14 decks +22% synergy
Horizon Canopy
29% of 14 decks +21% synergy
Mana Confluence
29% of 14 decks +20% synergy
City of Brass
29% of 14 decks +19% synergy
Fabled Passage
29% of 14 decks +15% synergy
Canopy Vista
29% of 14 decks -16% synergy
Prismatic Vista
21% of 14 decks +16% synergy
Darkbore Pathway
21% of 14 decks +13% synergy
Branchloft Pathway
21% of 14 decks +12% synergy
Tainted Field
21% of 14 decks +10% synergy
Tainted Wood
21% of 14 decks +10% synergy
Scrubland
21% of 14 decks +9% synergy
Savannah
21% of 14 decks +9% synergy
Bayou
21% of 14 decks +9% synergy
Murmuring Bosk
21% of 14 decks +1% synergy