Colfenor, the Last Yew + Hangarback Walker + Ashnod's Altar

Colfenor, the Last Yew
Hangarback Walker
Ashnod's Altar

Requires
Colfenor, the Last Yew must be on the battlefield. Hangarback Walker must be on the battlefield. Ashnod's Altar must be on the battlefield. Hangarback Walker has at least one +1/+1 counter on it.
Steps
  1. Sacrifice Hangarback Walker to Ashnod's Altar, adding .
  2. Hangarback Walker and Colfenor trigger.
  3. Resolve the Hangarback Walker trigger, creating a Thopter token.
  4. Resolve the Colfenor trigger with no targets.
  5. Sacrifice the Thopter token to Ashnod's Altar, adding .
  6. Colfenor triggers, returning Hangarback Walker from your graveyard to your hand.
  7. Cast Hangarback Walker for X=1.
  8. Repeat.
Results
Infinite colorless mana. Infinite creature tokens with flying. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers. Infinite storm count. Return any number of creatures from your graveyard to your hand.

Colfenor, the Last Yew
13.35% of 1041 decks 139 decks
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38% of 16 decks +35% synergy
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36% of 148 decks +22% synergy
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34% of 148 decks +32% synergy
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Marionette Apprentice
33% of 9 decks +29% synergy
Reclamation Sage
32% of 148 decks +26% synergy
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31% of 45 decks +29% synergy
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Ornithopter
30% of 148 decks +28% synergy
Willow Geist
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Saffi Eriksdotter
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Teysa Karlov
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Woe Strider
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Foundation Breaker
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Shifting Wall
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23% of 148 decks +22% synergy
Karmic Guide
23% of 148 decks +21% synergy
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22% of 148 decks +19% synergy
Sun Titan
22% of 148 decks +17% synergy
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21% of 148 decks +21% synergy
Sifter of Skulls
20% of 148 decks +20% synergy
Wood Elves
20% of 148 decks +17% synergy
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19% of 133 decks +19% synergy
Esper Sentinel
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Old Stickfingers
16% of 136 decks +16% synergy
Bedrock Tortoise
16% of 45 decks +15% synergy
Elves of Deep Shadow
16% of 148 decks +13% synergy
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15% of 71 decks +15% synergy
Instants
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40% of 148 decks +33% synergy
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40% of 148 decks +21% synergy
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26% of 148 decks +21% synergy
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20% of 148 decks +20% synergy
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20% of 148 decks +17% synergy
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19% of 148 decks +13% synergy
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17% of 148 decks +5% synergy
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16% of 148 decks +10% synergy
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16% of 148 decks +7% synergy
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15% of 148 decks +7% synergy
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12% of 148 decks +12% synergy
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9% of 148 decks +5% synergy
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9% of 148 decks +8% synergy
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50% of 148 decks +34% synergy
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45% of 148 decks +23% synergy
Rampant Growth
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32% of 148 decks +30% synergy
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Talisman of Hierarchy
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Jeweled Lotus
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Talisman of Unity
7% of 148 decks +6% synergy
Chromatic Lantern
7% of 148 decks -2% synergy
Lands
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Godless Shrine
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Exotic Orchard
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Undergrowth Stadium
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Vault of Champions
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Lush Portico
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Underground Mortuary
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Woodland Cemetery
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Caves of Koilos
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Marsh Flats
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Canopy Vista
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Sunpetal Grove
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Bountiful Promenade
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Windswept Heath
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Shadowy Backstreet
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Isolated Chapel
28% of 148 decks +22% synergy
Murmuring Bosk
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Evolving Wilds
22% of 148 decks +0% synergy
Overgrown Farmland
21% of 136 decks +17% synergy
Shattered Sanctum
20% of 133 decks +17% synergy
Terramorphic Expanse
20% of 148 decks +4% synergy
Deathcap Glade
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Krosan Verge
18% of 148 decks +15% synergy
Temple of Silence
18% of 148 decks +14% synergy
Radiant Grove
18% of 121 decks +17% synergy
Haunted Mire
17% of 121 decks +15% synergy
Temple of Malady
16% of 148 decks +13% synergy
City of Brass
15% of 148 decks +7% synergy
Fabled Passage
15% of 148 decks +6% synergy
Path of Ancestry
14% of 148 decks -7% synergy
Temple of Plenty
13% of 148 decks +10% synergy
Sunlit Marsh
12% of 121 decks +11% synergy
Branchloft Pathway
12% of 148 decks +10% synergy
Brushland
11% of 148 decks +8% synergy
Mana Confluence
11% of 148 decks +4% synergy
Myriad Landscape
11% of 148 decks -9% synergy
Darkbore Pathway
11% of 146 decks +9% synergy
Brightclimb Pathway
11% of 148 decks +8% synergy
Woodland Chasm
10% of 146 decks +9% synergy
Bayou
10% of 148 decks +7% synergy
Savannah
9% of 148 decks +7% synergy
Selesnya Sanctuary
9% of 148 decks +6% synergy
Scrubland
9% of 148 decks +6% synergy
Flooded Strand
9% of 148 decks -2% synergy