Xavier Sal, Infested Captain
Intruder Alarm
Cloakwood Swarmkeeper

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
You control at least one creature token. Xavier Sal does not have summoning sickness. There is a removable counter on a permanent you control.

   Steps

How does this combo work?
1
Activate Xavier Sal by tapping it and removing a counter from a permanent you control, creating a copy of a creature token you control.
2
When the creature token enters the battlefield, Intruder Alarm and Cloakwood Swarmkeeper trigger.
3
Resolve the Intruder Alarm trigger, untapping all creatures.
4
Resolve the Cloakwood Swarmkeeper trigger, putting a counter on it.
5
Repeat.

   Results

What do I get from this combo?
Infinite creature tokens
Infinite ETB
Infinite mana creatures you control can produce
Infinite untap of creatures
Infinite copies of creature tokens you control
Infinite untap of creatures you control
Xavier Sal, Infested Captain
0.5%inclusion37 decks7.51K decks
Silas Renn, Seeker Adept // Tana, the Bloodsower
0.4%inclusion1 decks243 decks
High Synergy Cards
Basking Broodscale
67%inclusion24 decks36 decks
65%synergy
Master Biomancer
50%inclusion19 decks38 decks
47%synergy
Tekuthal, Inquiry Dominus
45%inclusion17 decks38 decks
42%synergy
Evolution Witness
44%inclusion16 decks36 decks
41%synergy
Kiora's Follower
45%inclusion17 decks38 decks
40%synergy
Cankerbloom
42%inclusion16 decks38 decks
38%synergy
Ezuri, Stalker of Spheres
37%inclusion14 decks38 decks
35%synergy
Master Chef
34%inclusion13 decks38 decks
33%synergy
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39%inclusion15 decks38 decks
33%synergy
Scurry Oak
34%inclusion13 decks38 decks
33%synergy
Top Cards
Farseek
39%inclusion15 decks38 decks
4%synergy
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34%inclusion13 decks38 decks
25%synergy
Counterspell
34%inclusion13 decks38 decks
-8%synergy
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32%inclusion12 decks38 decks
31%synergy
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32%inclusion12 decks38 decks
28%synergy
Tribute to the World Tree
32%inclusion12 decks38 decks
26%synergy
Doubling Season
32%inclusion12 decks38 decks
22%synergy
Swiftfoot Boots
32%inclusion12 decks38 decks
4%synergy
Mycoloth
29%inclusion11 decks38 decks
27%synergy
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29%inclusion11 decks38 decks
24%synergy
Game Changers
Demonic Tutor
16%inclusion6 decks38 decks
-3%synergy
Rhystic Study
11%inclusion4 decks38 decks
-13%synergy
Field of the Dead
7.9%inclusion3 decks38 decks
5%synergy
Mana Vault
7.9%inclusion3 decks38 decks
2%synergy
Vampiric Tutor
7.9%inclusion3 decks38 decks
-7%synergy
Creatures
Kami of Whispered Hopes
29%inclusion11 decks38 decks
23%synergy
Dreamtide Whale
28%inclusion10 decks36 decks
25%synergy
Herd Baloth
26%inclusion10 decks38 decks
25%synergy
Renata, Called to the Hunt
26%inclusion10 decks38 decks
25%synergy
Fathom Mage
26%inclusion10 decks38 decks
22%synergy
Thallid Shell-Dweller
24%inclusion9 decks38 decks
23%synergy
Bloodspore Thrinax
24%inclusion9 decks38 decks
23%synergy
Sporoloth Ancient
24%inclusion9 decks38 decks
23%synergy
Deathspore Thallid
24%inclusion9 decks38 decks
23%synergy
Devoted Druid
24%inclusion9 decks38 decks
21%synergy
Winding Constrictor
24%inclusion9 decks38 decks
20%synergy
Birds of Paradise
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-4%synergy
Thallid
21%inclusion8 decks38 decks
21%synergy
Sporesower Thallid
21%inclusion8 decks38 decks
21%synergy
Utopia Mycon
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20%synergy
Gruff Triplets
21%inclusion8 decks38 decks
20%synergy
Slimefoot, the Stowaway
21%inclusion8 decks38 decks
20%synergy
Ioreth of the Healing House
21%inclusion8 decks38 decks
20%synergy
Pitiless Plunderer
21%inclusion8 decks38 decks
12%synergy
Woodland Champion
18%inclusion7 decks38 decks
18%synergy
Arwen, Weaver of Hope
18%inclusion7 decks38 decks
17%synergy
Gyre Sage
18%inclusion7 decks38 decks
15%synergy
Reef Worm
16%inclusion6 decks38 decks
15%synergy
Bramble Sovereign
16%inclusion6 decks38 decks
15%synergy
Fertilid
16%inclusion6 decks38 decks
14%synergy
Vorinclex, Monstrous Raider
16%inclusion6 decks38 decks
13%synergy
Tender Wildguide
15%inclusion5 decks33 decks
14%synergy
Sharp-Eyed Rookie
13%inclusion5 decks38 decks
13%synergy
Thelon of Havenwood
13%inclusion5 decks38 decks
13%synergy
Vitaspore Thallid
13%inclusion5 decks38 decks
13%synergy
Psychotrope Thallid
13%inclusion5 decks38 decks
13%synergy
Flux Channeler
13%inclusion5 decks38 decks
11%synergy
Saryth, the Viper's Fang
13%inclusion5 decks38 decks
10%synergy
Arixmethes, Slumbering Isle
13%inclusion5 decks38 decks
10%synergy
Thrummingbird
13%inclusion5 decks38 decks
10%synergy
Jaheira, Friend of the Forest
13%inclusion5 decks38 decks
10%synergy
Mazirek, Kraul Death Priest
13%inclusion5 decks38 decks
9%synergy
Twitching Doll
12%inclusion4 decks33 decks
10%synergy
Propagator Drone
11%inclusion4 decks36 decks
11%synergy
Ulamog's Dreadsire
11%inclusion4 decks36 decks
11%synergy
Thallid Germinator
11%inclusion4 decks38 decks
10%synergy
Forensic Researcher
11%inclusion4 decks38 decks
10%synergy
Biowaste Blob
11%inclusion4 decks38 decks
10%synergy
Sporecrown Thallid
11%inclusion4 decks38 decks
10%synergy
Kelpie Guide
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10%synergy
Compy Swarm
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10%synergy
Sporemound
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9%synergy
Deepglow Skate
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9%synergy
Glen Elendra Archmage
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8%synergy
Nadier's Nightblade
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7%synergy
Instants
Prologue to Phyresis
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22%synergy
Ripples of Potential
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21%synergy
Atomize
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20%synergy
Revitalizing Repast
22%inclusion8 decks36 decks
14%synergy
Cackling Counterpart
21%inclusion8 decks38 decks
20%synergy
Negate
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0%synergy
Theoretical Duplication
18%inclusion7 decks38 decks
18%synergy
Inspiring Call
18%inclusion7 decks38 decks
10%synergy
Assassin's Trophy
18%inclusion7 decks38 decks
-12%synergy
Beast Within
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-15%synergy
Mutational Advantage
16%inclusion6 decks38 decks
12%synergy
Putrefy
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0%synergy
Vraska's Fall
13%inclusion5 decks38 decks
12%synergy
Growth Spiral
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-7%synergy
Sprout Swarm
11%inclusion4 decks38 decks
10%synergy
Reject Imperfection
11%inclusion4 decks38 decks
10%synergy
Infectious Bite
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9%synergy
Experimental Augury
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8%synergy
Repulsive Mutation
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8%synergy
Double Major
11%inclusion4 decks38 decks
8%synergy
Second Harvest
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6%synergy
Tear Asunder
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3%synergy
Mana Drain
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-4%synergy
Heroic Intervention
11%inclusion4 decks38 decks
-20%synergy
Gift of the Viper
8.3%inclusion3 decks36 decks
6%synergy
Fungal Rebirth
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7%synergy
Grim Affliction
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7%synergy
Druid's Deliverance
7.9%inclusion3 decks38 decks
7%synergy
See Double
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7%synergy
Perplexing Test
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6%synergy
Sultai Charm
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5%synergy
Dramatic Reversal
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4%synergy
Abrupt Decay
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-1%synergy
Harrow
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-1%synergy
Arcane Denial
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-12%synergy
Dark Ritual
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-17%synergy
Sorceries
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-13%synergy
Repudiate // Replicate
26%inclusion10 decks38 decks
26%synergy
Tezzeret's Gambit
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23%synergy
Nature's Lore
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-5%synergy
Rampant Growth
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-9%synergy
Quasiduplicate
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20%synergy
Unnatural Restoration
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19%synergy
Irenicus's Vile Duplication
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18%synergy
Croaking Counterpart
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17%synergy
Rite of Replication
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15%synergy
Drown in Ichor
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14%synergy
Thirsting Roots
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12%synergy
Quantum Misalignment
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12%synergy
Doppelgang
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11%synergy
Three Visits
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-11%synergy
Mirage Mockery
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10%synergy
Rally the Galadhrim
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10%synergy
Replication Technique
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10%synergy
Contentious Plan
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9%synergy
Convert to Slime
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9%synergy
Rootcast Apprenticeship
9.1%inclusion3 decks33 decks
8%synergy
For the Common Good
9.1%inclusion3 decks33 decks
7%synergy
Infectious Inquiry
7.9%inclusion3 decks38 decks
7%synergy
Squirming Emergence
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6%synergy
Overrun
7.9%inclusion3 decks38 decks
6%synergy
Bala Ged Recovery
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0%synergy
Toxic Deluge
7.9%inclusion3 decks38 decks
-10%synergy
Kodama's Reach
7.9%inclusion3 decks38 decks
-19%synergy
Utility Artifacts
Thornbite Staff
24%inclusion9 decks38 decks
23%synergy
Animation Module
18%inclusion7 decks38 decks
18%synergy
Ashnod's Altar
16%inclusion6 decks38 decks
9%synergy
Lightning Greaves
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-9%synergy
Insight Engine
14%inclusion3 decks22 decks
12%synergy
Ghost Lantern
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10%synergy
Thousand-Year Elixir
11%inclusion4 decks38 decks
9%synergy
Helm of the Host
11%inclusion4 decks38 decks
7%synergy
Idol of Oblivion
11%inclusion4 decks38 decks
6%synergy
Serrated Arrows
7.9%inclusion3 decks38 decks
8%synergy
Magistrate's Scepter
7.9%inclusion3 decks38 decks
8%synergy
Magewright's Stone
7.9%inclusion3 decks38 decks
7%synergy
Mimic Vat
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7%synergy
Mirror Box
7.9%inclusion3 decks38 decks
7%synergy
Combine Chrysalis
7.9%inclusion3 decks38 decks
7%synergy
The Great Henge
7.9%inclusion3 decks38 decks
-2%synergy
Skullclamp
7.9%inclusion3 decks38 decks
-3%synergy
Enchantments
Inexorable Tide
26%inclusion10 decks38 decks
23%synergy
Freed from the Real
24%inclusion9 decks38 decks
22%synergy
Innkeeper's Talent
21%inclusion7 decks33 decks
17%synergy
Primal Vigor
18%inclusion7 decks38 decks
16%synergy
Binding the Old Gods
18%inclusion7 decks38 decks
13%synergy
The Huntsman's Redemption
16%inclusion6 decks38 decks
15%synergy
City of Death
16%inclusion6 decks38 decks
15%synergy
Parallel Lives
16%inclusion6 decks38 decks
9%synergy
Moldervine Reclamation
16%inclusion6 decks38 decks
9%synergy
Hardened Scales
16%inclusion6 decks38 decks
6%synergy
Mystic Remora
16%inclusion6 decks38 decks
0%synergy
Blink
13%inclusion5 decks38 decks
13%synergy
Life and Limb
13%inclusion5 decks38 decks
13%synergy
Promise of Aclazotz
13%inclusion5 decks38 decks
13%synergy
The First Iroan Games
13%inclusion5 decks38 decks
13%synergy
Sadistic Glee
11%inclusion4 decks38 decks
10%synergy
Genesis of the Daleks
11%inclusion4 decks38 decks
10%synergy
Song of Eärendil
11%inclusion4 decks38 decks
10%synergy
The Eldest Reborn
11%inclusion4 decks38 decks
9%synergy
Black Market
11%inclusion4 decks38 decks
6%synergy
Insidious Roots
11%inclusion4 decks38 decks
5%synergy
Black Market Connections
11%inclusion4 decks38 decks
-2%synergy
Saproling Burst
7.9%inclusion3 decks38 decks
8%synergy
Death in Heaven
7.9%inclusion3 decks38 decks
8%synergy
The Trickster-God's Heist
7.9%inclusion3 decks38 decks
7%synergy
Song of Freyalise
7.9%inclusion3 decks38 decks
7%synergy
Kiora Bests the Sea God
7.9%inclusion3 decks38 decks
7%synergy
Pemmin's Aura
7.9%inclusion3 decks38 decks
7%synergy
Extravagant Replication
7.9%inclusion3 decks38 decks
6%synergy
As Foretold
7.9%inclusion3 decks38 decks
6%synergy
Concordant Crossroads
7.9%inclusion3 decks38 decks
6%synergy
Ominous Seas
7.9%inclusion3 decks38 decks
6%synergy
Bred for the Hunt
7.9%inclusion3 decks38 decks
5%synergy
Simic Ascendancy
7.9%inclusion3 decks38 decks
2%synergy
Battles
Invasion of Zendikar
7.9%inclusion3 decks38 decks
7%synergy
Planeswalkers
Vraska, Betrayal's Sting
24%inclusion9 decks38 decks
21%synergy
Garruk, Cursed Huntsman
18%inclusion7 decks38 decks
16%synergy
Arlinn, Voice of the Pack
11%inclusion4 decks38 decks
10%synergy
Kiora, Master of the Depths
7.9%inclusion3 decks38 decks
7%synergy
Nissa, Voice of Zendikar
7.9%inclusion3 decks38 decks
7%synergy
Vraska, Relic Seeker
7.9%inclusion3 decks38 decks
7%synergy
Tevesh Szat, Doom of Fools
7.9%inclusion3 decks38 decks
7%synergy
Liliana, Dreadhorde General
7.9%inclusion3 decks38 decks
4%synergy
Utility Lands
Karn's Bastion
37%inclusion14 decks38 decks
32%synergy
Bojuka Bog
32%inclusion12 decks38 decks
2%synergy
Nesting Grounds
29%inclusion11 decks38 decks
27%synergy
Dark Depths
26%inclusion10 decks38 decks
25%synergy
Reliquary Tower
26%inclusion10 decks38 decks
-3%synergy
Llanowar Reborn
21%inclusion8 decks38 decks
19%synergy
Minamo, School at Water's Edge
21%inclusion8 decks38 decks
17%synergy
Oran-Rief, the Vastwood
18%inclusion7 decks38 decks
14%synergy
Evendo, Waking Haven
14%inclusion3 decks22 decks
9%synergy
Novijen, Heart of Progress
13%inclusion5 decks38 decks
12%synergy
Yavimaya, Cradle of Growth
13%inclusion5 decks38 decks
4%synergy
Urborg, Tomb of Yawgmoth
13%inclusion5 decks38 decks
4%synergy
Mage-Ring Network
11%inclusion4 decks38 decks
10%synergy
Dreadship Reef
11%inclusion4 decks38 decks
10%synergy
Boseiju, Who Endures
11%inclusion4 decks38 decks
-8%synergy
Blast Zone
7.9%inclusion3 decks38 decks
7%synergy
Otawara, Soaring City
7.9%inclusion3 decks38 decks
-8%synergy
Mana Artifacts
Arcane Signet
76%inclusion29 decks38 decks
4%synergy
Sol Ring
63%inclusion24 decks38 decks
-20%synergy
Everflowing Chalice
53%inclusion20 decks38 decks
48%synergy
Astral Cornucopia
32%inclusion12 decks38 decks
30%synergy
Replicating Ring
18%inclusion7 decks38 decks
17%synergy
Patriar's Seal
11%inclusion4 decks38 decks
9%synergy
Simic Signet
11%inclusion4 decks38 decks
0%synergy
Talisman of Curiosity
11%inclusion4 decks38 decks
-2%synergy
Fellwar Stone
11%inclusion4 decks38 decks
-10%synergy
Pentad Prism
7.9%inclusion3 decks38 decks
8%synergy
Midnight Clock
7.9%inclusion3 decks38 decks
3%synergy
Golgari Signet
7.9%inclusion3 decks38 decks
-2%synergy
Talisman of Resilience
7.9%inclusion3 decks38 decks
-5%synergy
Lands
Command Tower
97%inclusion37 decks38 decks
23%synergy
Opulent Palace
55%inclusion21 decks38 decks
27%synergy
Sunken Hollow
53%inclusion20 decks38 decks
19%synergy
Woodland Cemetery
45%inclusion17 decks38 decks
12%synergy
Watery Grave
45%inclusion17 decks38 decks
3%synergy
Breeding Pool
39%inclusion15 decks38 decks
-3%synergy
Hinterland Harbor
37%inclusion14 decks38 decks
3%synergy
Exotic Orchard
37%inclusion14 decks38 decks
0%synergy
Overgrown Tomb
37%inclusion14 decks38 decks
-4%synergy
Simic Growth Chamber
32%inclusion12 decks38 decks
15%synergy
Evolving Wilds
32%inclusion12 decks38 decks
11%synergy
Zagoth Triome
32%inclusion12 decks38 decks
4%synergy
Foreboding Landscape
31%inclusion11 decks36 decks
22%synergy
Vivid Grove
29%inclusion11 decks38 decks
28%synergy
Temple of Deceit
29%inclusion11 decks38 decks
15%synergy
Temple of Mystery
29%inclusion11 decks38 decks
13%synergy
Undergrowth Stadium
29%inclusion11 decks38 decks
5%synergy
Temple of Malady
26%inclusion10 decks38 decks
11%synergy
Path of Ancestry
26%inclusion10 decks38 decks
4%synergy
Rejuvenating Springs
26%inclusion10 decks38 decks
0%synergy
Drowned Catacomb
26%inclusion10 decks38 decks
-3%synergy
Vivid Creek
24%inclusion9 decks38 decks
23%synergy
Dimir Aqueduct
24%inclusion9 decks38 decks
10%synergy
Dreamroot Cascade
24%inclusion9 decks38 decks
2%synergy
Vivid Marsh
21%inclusion8 decks38 decks
21%synergy
Golgari Rot Farm
21%inclusion8 decks38 decks
4%synergy
Llanowar Wastes
21%inclusion8 decks38 decks
-6%synergy
Verdant Catacombs
18%inclusion7 decks38 decks
8%synergy
Terramorphic Expanse
18%inclusion7 decks38 decks
4%synergy
Yavimaya Coast
18%inclusion7 decks38 decks
-9%synergy
Deathcap Glade
16%inclusion6 decks38 decks
3%synergy
Darkwater Catacombs
16%inclusion6 decks38 decks
1%synergy
Dismal Backwater
13%inclusion5 decks38 decks
7%synergy
Thornwood Falls
13%inclusion5 decks38 decks
6%synergy
Misty Rainforest
13%inclusion5 decks38 decks
2%synergy
Polluted Delta
13%inclusion5 decks38 decks
1%synergy
Shipwreck Marsh
13%inclusion5 decks38 decks
-5%synergy
Morphic Pool
13%inclusion5 decks38 decks
-11%synergy
Littjara Mirrorlake
11%inclusion4 decks38 decks
10%synergy
Overflowing Basin
11%inclusion4 decks38 decks
2%synergy
Viridescent Bog
11%inclusion4 decks38 decks
2%synergy
Jungle Hollow
11%inclusion4 decks38 decks
2%synergy
Tainted Wood
11%inclusion4 decks38 decks
-3%synergy
Choked Estuary
11%inclusion4 decks38 decks
-5%synergy
Flooded Grove
11%inclusion4 decks38 decks
-5%synergy
Tendo Ice Bridge
7.9%inclusion3 decks38 decks
8%synergy
Reflecting Pool
7.9%inclusion3 decks38 decks
3%synergy
Fetid Pools
7.9%inclusion3 decks38 decks
1%synergy
Fabled Passage
7.9%inclusion3 decks38 decks
-2%synergy
Hedge Maze
7.9%inclusion3 decks38 decks
-3%synergy