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
1.19% of 1010 decks 12 decks
High Synergy Cards
Hangarback Walker
100% of 12 decks +99% synergy
Shifting Wall
92% of 12 decks +92% synergy
Ugin's Conjurant
92% of 12 decks +91% synergy
Endless One
92% of 12 decks +91% synergy
Stonecoil Serpent
92% of 12 decks +91% synergy
Pawn of Ulamog
83% of 12 decks +82% synergy
Altar of Dementia
83% of 12 decks +77% synergy
Viscera Seer
92% of 12 decks +76% synergy
Pitiless Plunderer
75% of 12 decks +70% synergy
Phyrexian Altar
75% of 12 decks +68% synergy
Top Cards
Cruel Celebrant
75% of 12 decks +68% synergy
Carrion Feeder
75% of 12 decks +65% synergy
Zulaport Cutthroat
75% of 12 decks +63% synergy
Sifter of Skulls
67% of 12 decks +66% synergy
Blood Artist
67% of 12 decks +55% synergy
Elas il-Kor, Sadistic Pilgrim
60% of 10 decks +45% synergy
Blasting Station
58% of 12 decks +58% synergy
Grim Haruspex
58% of 12 decks +53% synergy
Corpse Knight
58% of 12 decks +52% synergy
Enlightened Tutor
58% of 12 decks +46% synergy
Creatures
Cryptic Trilobite
50% of 12 decks +48% synergy
Woe Strider
50% of 12 decks +46% synergy
Saffi Eriksdotter
50% of 12 decks +45% synergy
Omarthis, Ghostfire Initiate
43% of 7 decks +43% synergy
Tormod, the Desecrator
42% of 12 decks +41% synergy
Midnight Reaper
42% of 12 decks +39% synergy
Syr Konrad, the Grim
42% of 12 decks +35% synergy
Beast Whisperer
42% of 12 decks +34% synergy
Sakura-Tribe Elder
42% of 12 decks +19% synergy
Memnite
33% of 12 decks +33% synergy
Doomed Dissenter
33% of 12 decks +33% synergy
Willow Geist
33% of 12 decks +33% synergy
Renegade Rallier
33% of 12 decks +32% synergy
Faeburrow Elder
33% of 12 decks +25% synergy
Haywire Mite
30% of 10 decks +26% synergy
Body Launderer
27% of 11 decks +26% synergy
Protean Hulk
25% of 12 decks +20% synergy
Spore Frog
25% of 12 decks +20% synergy
Fauna Shaman
25% of 12 decks +20% synergy
Karmic Guide
25% of 12 decks +18% synergy
Eternal Witness
25% of 12 decks -0% synergy
Birds of Paradise
25% of 12 decks -11% synergy
Instants
Eladamri's Call
50% of 12 decks +40% synergy
Despark
42% of 12 decks +32% synergy
Vampiric Tutor
42% of 12 decks +27% synergy
Swords to Plowshares
42% of 12 decks -21% synergy
Entomb
33% of 12 decks +23% synergy
Worldly Tutor
33% of 12 decks +21% synergy
Heroic Intervention
33% of 12 decks +8% synergy
Assassin's Trophy
33% of 12 decks +2% synergy
Mythos of Nethroi
25% of 12 decks +16% synergy
Teferi's Protection
25% of 12 decks +9% synergy
Anguished Unmaking
25% of 12 decks -5% synergy
Path to Exile
25% of 12 decks -20% synergy
Sorceries
Demonic Tutor
50% of 12 decks +33% synergy
Farseek
50% of 12 decks +6% synergy
Nature's Lore
42% of 12 decks +11% synergy
Diabolic Intent
33% of 12 decks +25% synergy
Damn
33% of 12 decks +18% synergy
Eerie Ultimatum
33% of 12 decks +12% synergy
Rampant Growth
33% of 12 decks +6% synergy
Sign in Blood
25% of 12 decks +22% synergy
Three Visits
25% of 12 decks +3% synergy
Kodama's Reach
25% of 12 decks -1% synergy
Utility Artifacts
Skullclamp
42% of 12 decks +26% synergy
Desecrated Tomb
25% of 12 decks +24% synergy
Enchantments
Bastion of Remembrance
42% of 12 decks +37% synergy
Abzan Ascendancy
42% of 12 decks +36% synergy
Parapet
33% of 12 decks +33% synergy
Lumithread Field
33% of 12 decks +33% synergy
Blight Mound
33% of 12 decks +33% synergy
Phyrexian Arena
33% of 12 decks +19% synergy
Enduring Renewal
25% of 12 decks +25% synergy
Gutter Grime
25% of 12 decks +25% synergy
Glorious Anthem
25% of 12 decks +25% synergy
Fanatical Devotion
25% of 12 decks +24% synergy
Golgari Germination
25% of 12 decks +24% synergy
Utility Lands
Takenuma, Abandoned Mire
50% of 12 decks +37% synergy
Boseiju, Who Endures
50% of 12 decks +28% synergy
Ancient Tomb
42% of 12 decks +33% synergy
Phyrexian Tower
33% of 12 decks +23% synergy
Yavimaya, Cradle of Growth
33% of 12 decks +7% synergy
Castle Garenbrig
25% of 12 decks +24% synergy
Urborg, Tomb of Yawgmoth
25% of 12 decks +4% synergy
Bojuka Bog
25% of 12 decks -5% synergy
Mana Artifacts
Arcane Signet
83% of 12 decks +18% synergy
Sol Ring
83% of 12 decks +3% synergy
Jeweled Lotus
33% of 12 decks +30% synergy
Mana Crypt
33% of 12 decks +27% synergy
Fellwar Stone
33% of 12 decks +24% synergy
Lands
Command Tower
92% of 12 decks +1% synergy
Temple Garden
67% of 12 decks +19% synergy
Overgrown Tomb
67% of 12 decks +19% synergy
Exotic Orchard
67% of 12 decks +11% synergy
Godless Shrine
58% of 12 decks +12% synergy
Overgrown Farmland
50% of 12 decks +34% synergy
Vault of Champions
50% of 12 decks +21% synergy
Undergrowth Stadium
50% of 12 decks +17% synergy
Sunpetal Grove
50% of 12 decks +16% synergy
Windswept Heath
50% of 12 decks +16% synergy
Marsh Flats
50% of 12 decks +15% synergy
Isolated Chapel
50% of 12 decks +15% synergy
Verdant Catacombs
50% of 12 decks +15% synergy
Woodland Cemetery
50% of 12 decks +12% synergy
Indatha Triome
50% of 12 decks +7% synergy
Shattered Sanctum
42% of 12 decks +30% synergy
Fabled Passage
42% of 12 decks +28% synergy
Horizon Canopy
33% of 12 decks +26% synergy
Mana Confluence
33% of 12 decks +25% synergy
City of Brass
33% of 12 decks +24% synergy
Scrubland
33% of 12 decks +21% synergy
Savannah
33% of 12 decks +21% synergy
Bayou
33% of 12 decks +21% synergy
Deathcap Glade
33% of 12 decks +19% synergy
Bountiful Promenade
33% of 12 decks +2% synergy
Nurturing Peatland
25% of 12 decks +19% synergy
Flooded Strand
25% of 12 decks +17% synergy
Polluted Delta
25% of 12 decks +17% synergy
Arid Mesa
25% of 12 decks +16% synergy
Bloodstained Mire
25% of 12 decks +16% synergy
Wooded Foothills
25% of 12 decks +15% synergy
Misty Rainforest
25% of 12 decks +15% synergy
Tainted Field
25% of 12 decks +14% synergy
Murmuring Bosk
25% of 12 decks +4% synergy
Llanowar Wastes
25% of 12 decks -1% synergy
Caves of Koilos
25% of 12 decks -2% synergy
Canopy Vista
25% of 12 decks -20% synergy
Sandsteppe Citadel
25% of 12 decks -26% synergy