Colfenor, the Last Yew
Sifter of Skulls
Endless One

   Prerequisites

What do I need to start this combo?
Endless One in hand.
Colfenor and Sifter of Skulls on the battlefield.

   Steps

How does this combo work?
1
Cast Endless One by paying 0.
2
Endless One enters the battlefield and dies as a state-based action due to having zero or less toughness.
3
Colfenor and Sifter of Skulls trigger.
4
Resolve the Colfenor trigger, returning nothing from your graveyard to your hand.
5
Resolve the Sifter of Skulls trigger, creating a 1/1 Eldrazi Spawn creature token.
6
Activate the Eldrazi Spawn by sacrificing it, adding .
7
The Eldrazi Spawn dies, triggering Colfenor, returning Endless One from your graveyard to your hand.
8
Repeat.

   Results

What do I get from this combo?
Infinite +1/+1 counters on a creature
Infinite colorless mana
Infinite death triggers
Infinite ETB
Infinite LTB
Infinite sacrifice triggers
Infinite storm count
Colfenor, the Last Yew
4.8%inclusion55 decks1.14K decks
Atraxa, Praetors' Voice
0.0%inclusion1 decks38.5K decks
Nethroi, Apex of Death
0.0%inclusion1 decks6.67K decks
New Cards
Formidable Speaker
5.0%inclusion1 decks20 decks
3%synergy
High Synergy Cards
Stonecoil Serpent
88%inclusion50 decks57 decks
87%synergy
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84%inclusion48 decks57 decks
82%synergy
Ugin's Conjurant
79%inclusion45 decks57 decks
79%synergy
Hangarback Walker
72%inclusion41 decks57 decks
71%synergy
Viscera Seer
79%inclusion45 decks57 decks
71%synergy
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74%inclusion42 decks57 decks
65%synergy
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68%inclusion39 decks57 decks
62%synergy
Carrion Feeder
63%inclusion36 decks57 decks
59%synergy
Walking Ballista
60%inclusion34 decks57 decks
57%synergy
Cruel Celebrant
61%inclusion35 decks57 decks
54%synergy
Top Cards
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65%inclusion37 decks57 decks
53%synergy
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61%inclusion35 decks57 decks
52%synergy
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43%synergy
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41%synergy
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51%inclusion29 decks57 decks
42%synergy
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49%inclusion28 decks57 decks
49%synergy
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43%synergy
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40%synergy
Farseek
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6%synergy
Game Changers
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2%synergy
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-2%synergy
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4%synergy
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-5%synergy
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1%synergy
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-1%synergy
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-2%synergy
Creatures
Grim Haruspex
40%inclusion23 decks57 decks
37%synergy
Corpse Knight
39%inclusion22 decks57 decks
33%synergy
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39%inclusion22 decks57 decks
11%synergy
Cryptic Trilobite
35%inclusion20 decks57 decks
35%synergy
Reclamation Sage
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27%synergy
Syr Konrad, the Grim
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23%synergy
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30%synergy
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22%synergy
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28%synergy
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28%synergy
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26%synergy
Marketback Walker
29%inclusion10 decks35 decks
28%synergy
Ornithopter
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26%synergy
Honest Rutstein
27%inclusion14 decks52 decks
22%synergy
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26%inclusion15 decks57 decks
25%synergy
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25%synergy
Shriekmaw
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23%synergy
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21%synergy
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21%synergy
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20%synergy
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18%synergy
Bartolomé del Presidio
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17%synergy
Elves of Deep Shadow
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12%synergy
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Memnite
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Renegade Rallier
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14%synergy
Shambling Ghast
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13%synergy
Elvish Mystic
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-2%synergy
Cartel Aristocrat
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12%synergy
Fertilid
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11%synergy
Fauna Shaman
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10%synergy
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Fiend Artisan
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Instants
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Assassin's Trophy
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2%synergy
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Corrupted Conviction
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4%synergy
Krosan Grip
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Entomb
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2%synergy
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Entish Restoration
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-1%synergy
Abrupt Decay
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Flawless Maneuver
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-5%synergy
Sorceries
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Rampant Growth
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Nature's Lore
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Three Visits
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Diabolic Intent
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8%synergy
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Toxic Deluge
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-2%synergy
Eerie Ultimatum
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3%synergy
Damn
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Slaughter the Strong
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11%synergy
Duneblast
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Vindicate
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Buried Alive
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Grim Tutor
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6%synergy
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Austere Command
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Jarad's Orders
8.8%inclusion5 decks57 decks
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Painful Truths
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7%synergy
Diabolic Tutor
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3%synergy
Culling Ritual
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Reanimate
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Unearth
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Last March of the Ents
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Eldritch Evolution
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3%synergy
Rise of the Witch-king
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3%synergy
Wrath of God
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2%synergy
Bone Shards
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Dig Up
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4%synergy
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3%synergy
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2%synergy
Dread Return
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0%synergy
Green Sun's Zenith
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Read the Bones
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-1%synergy
Bala Ged Recovery
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-3%synergy
Skyshroud Claim
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-3%synergy
Utility Artifacts
Phyrexian Altar
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37%synergy
Blasting Station
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28%synergy
Skullclamp
26%inclusion15 decks57 decks
15%synergy
Desecrated Tomb
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21%synergy
Swiftfoot Boots
12%inclusion7 decks57 decks
-15%synergy
Lightning Greaves
8.8%inclusion5 decks57 decks
-16%synergy
Spawning Pit
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7%synergy
Birthing Pod
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5%synergy
Deathrender
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5%synergy
Lifecrafter's Bestiary
5.3%inclusion3 decks57 decks
2%synergy
Wayfarer's Bauble
5.3%inclusion3 decks57 decks
-2%synergy
The Great Henge
5.3%inclusion3 decks57 decks
-4%synergy
Enchantments
Insidious Roots
35%inclusion20 decks57 decks
30%synergy
Moldervine Reclamation
35%inclusion20 decks57 decks
28%synergy
Bastion of Remembrance
32%inclusion18 decks57 decks
25%synergy
Abzan Ascendancy
26%inclusion15 decks57 decks
25%synergy
Guardian Project
21%inclusion12 decks57 decks
13%synergy
Fecundity
18%inclusion10 decks57 decks
17%synergy
Lumithread Field
14%inclusion8 decks57 decks
14%synergy
Vampiric Rites
14%inclusion8 decks57 decks
12%synergy
The Meathook Massacre
14%inclusion8 decks57 decks
9%synergy
Phyrexian Arena
14%inclusion8 decks57 decks
-1%synergy
Parapet
12%inclusion7 decks57 decks
12%synergy
Enduring Renewal
12%inclusion7 decks57 decks
12%synergy
Gutter Grime
12%inclusion7 decks57 decks
12%synergy
Gaea's Anthem
12%inclusion7 decks57 decks
12%synergy
Glorious Anthem
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12%synergy
Blight Mound
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12%synergy
Always Watching
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12%synergy
Sylvan Library
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3%synergy
Mirari's Wake
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2%synergy
Ripples of Undeath
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7%synergy
Anthem of Champions
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10%synergy
Builder's Blessing
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10%synergy
Black Market Connections
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-1%synergy
Fortifying Provisions
8.8%inclusion5 decks57 decks
9%synergy
Fanatical Devotion
8.8%inclusion5 decks57 decks
8%synergy
Open the Graves
8.8%inclusion5 decks57 decks
8%synergy
Golgari Germination
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8%synergy
Evolutionary Leap
8.8%inclusion5 decks57 decks
8%synergy
Funeral Room // Awakening Hall
7.1%inclusion3 decks42 decks
5%synergy
Castle
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7%synergy
Awakening Zone
7.0%inclusion4 decks57 decks
5%synergy
Tocasia's Welcome
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4%synergy
Kaya's Ghostform
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3%synergy
Animate Dead
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-2%synergy
Birthing Ritual
6.0%inclusion3 decks50 decks
5%synergy
Chalk Outline
5.3%inclusion3 decks57 decks
5%synergy
Spidersilk Armor
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5%synergy
Dictate of Heliod
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5%synergy
Earthcraft
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4%synergy
Journey to Eternity
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3%synergy
Elven Chorus
5.3%inclusion3 decks57 decks
3%synergy
Flowering of the White Tree
5.3%inclusion3 decks57 decks
1%synergy
Exquisite Blood
5.3%inclusion3 decks57 decks
0%synergy
Ghostly Prison
5.3%inclusion3 decks57 decks
-6%synergy
Planeswalkers
Tyvar, Jubilant Brawler
5.3%inclusion3 decks57 decks
2%synergy
Utility Lands
Bojuka Bog
35%inclusion20 decks57 decks
5%synergy
Yavimaya, Cradle of Growth
25%inclusion14 decks57 decks
16%synergy
Phyrexian Tower
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12%synergy
Urborg, Tomb of Yawgmoth
21%inclusion12 decks57 decks
12%synergy
Reliquary Tower
19%inclusion11 decks57 decks
-11%synergy
High Market
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15%synergy
Grim Backwoods
12%inclusion7 decks57 decks
9%synergy
Temple of the False God
8.8%inclusion5 decks57 decks
0%synergy
Dryad Arbor
7.0%inclusion4 decks57 decks
3%synergy
Gavony Township
7.0%inclusion4 decks57 decks
-1%synergy
Boseiju, Who Endures
7.0%inclusion4 decks57 decks
-12%synergy
Shifting Woodland
6.0%inclusion3 decks50 decks
-1%synergy
Takenuma, Abandoned Mire
5.3%inclusion3 decks57 decks
-3%synergy
Mana Artifacts
Sol Ring
79%inclusion45 decks57 decks
-5%synergy
Arcane Signet
63%inclusion36 decks57 decks
-9%synergy
Talisman of Resilience
18%inclusion10 decks57 decks
5%synergy
Talisman of Hierarchy
16%inclusion9 decks57 decks
-10%synergy
Talisman of Unity
14%inclusion8 decks57 decks
6%synergy
Chromatic Lantern
12%inclusion7 decks57 decks
4%synergy
Orzhov Signet
12%inclusion7 decks57 decks
-11%synergy
Lotus Petal
11%inclusion6 decks57 decks
3%synergy
Tangleroot
8.8%inclusion5 decks57 decks
9%synergy
Selesnya Signet
8.8%inclusion5 decks57 decks
1%synergy
Golgari Signet
8.8%inclusion5 decks57 decks
-1%synergy
Fellwar Stone
8.8%inclusion5 decks57 decks
-12%synergy
Thought Vessel
5.3%inclusion3 decks57 decks
-12%synergy
Lands
Command Tower
86%inclusion49 decks57 decks
12%synergy
Sandsteppe Citadel
58%inclusion33 decks57 decks
32%synergy
Indatha Triome
56%inclusion32 decks57 decks
28%synergy
Exotic Orchard
56%inclusion32 decks57 decks
20%synergy
Temple Garden
49%inclusion28 decks57 decks
10%synergy
Overgrown Tomb
49%inclusion28 decks57 decks
8%synergy
Woodland Cemetery
46%inclusion26 decks57 decks
14%synergy
Godless Shrine
46%inclusion26 decks57 decks
4%synergy
Llanowar Wastes
42%inclusion24 decks57 decks
15%synergy
Sunpetal Grove
40%inclusion23 decks57 decks
12%synergy
Isolated Chapel
40%inclusion23 decks57 decks
7%synergy
Caves of Koilos
39%inclusion22 decks57 decks
9%synergy
Undergrowth Stadium
37%inclusion21 decks57 decks
13%synergy
Vault of Champions
32%inclusion18 decks57 decks
8%synergy
Canopy Vista
32%inclusion18 decks57 decks
-5%synergy
Brushland
30%inclusion17 decks57 decks
10%synergy
Evolving Wilds
30%inclusion17 decks57 decks
9%synergy
Marsh Flats
28%inclusion16 decks57 decks
17%synergy
Windswept Heath
28%inclusion16 decks57 decks
17%synergy
Verdant Catacombs
26%inclusion15 decks57 decks
15%synergy
Terramorphic Expanse
26%inclusion15 decks57 decks
11%synergy
Bountiful Promenade
26%inclusion15 decks57 decks
4%synergy
Murmuring Bosk
25%inclusion14 decks57 decks
18%synergy
Overgrown Farmland
25%inclusion14 decks57 decks
7%synergy
Deceptive Landscape
24%inclusion12 decks50 decks
16%synergy
Shadowy Backstreet
23%inclusion13 decks57 decks
13%synergy
Temple of Malady
23%inclusion13 decks57 decks
7%synergy
Temple of Silence
23%inclusion13 decks57 decks
5%synergy
Lush Portico
21%inclusion12 decks57 decks
12%synergy
Underground Mortuary
19%inclusion11 decks57 decks
7%synergy
Temple of Plenty
19%inclusion11 decks57 decks
6%synergy
Fabled Passage
18%inclusion10 decks57 decks
8%synergy
Shattered Sanctum
18%inclusion10 decks57 decks
3%synergy
Path of Ancestry
18%inclusion10 decks57 decks
-5%synergy
Myriad Landscape
16%inclusion9 decks57 decks
0%synergy
Twilight Mire
14%inclusion8 decks57 decks
1%synergy
Deathcap Glade
14%inclusion8 decks57 decks
1%synergy
Orzhov Basilica
14%inclusion8 decks57 decks
0%synergy
Golgari Rot Farm
14%inclusion8 decks57 decks
-3%synergy
Darkbore Pathway
12%inclusion7 decks57 decks
6%synergy
Necroblossom Snarl
12%inclusion7 decks57 decks
1%synergy
Fetid Heath
12%inclusion7 decks57 decks
-1%synergy
Haunted Mire
11%inclusion6 decks57 decks
4%synergy
Selesnya Sanctuary
11%inclusion6 decks57 decks
-2%synergy
Branchloft Pathway
8.8%inclusion5 decks57 decks
2%synergy
Brightclimb Pathway
8.8%inclusion5 decks57 decks
0%synergy
Jungle Hollow
8.8%inclusion5 decks57 decks
0%synergy
Tainted Field
8.8%inclusion5 decks57 decks
-4%synergy
Tainted Wood
8.8%inclusion5 decks57 decks
-5%synergy
Krosan Verge
7.0%inclusion4 decks57 decks
5%synergy