Intruder Alarm
Maskwood Nexus
Karn, the Great Creator

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
Creatures you control can tap to produce at least 3.

   Steps

How does this combo work?
1
Activate Karn's first loyalty ability by putting a loyalty counter on it, causing Maskwood Nexus to become a 4/4 artifact creature until end of turn.
2
Activate any number of mana-producing creatures you control by tapping them, adding at least 3.
3
Activate Maskwood Nexus by paying 3 and tapping it, creating a 2/2 Shapeshifter creature token.
4
When the Shapeshifter enters the battlefield, Intruder Alarm triggers, untapping all creatures.
5
Repeat from step 2.
6
If creatures you control can tap to produce at least 4, this combo nets infinite mana.

   Results

What do I get from this combo?
Infinite creature tokens
Infinite ETB
Infinite mana creatures you control can produce
Infinite untap of creatures
Urtet, Remnant of Memnarch
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Urza, Lord High Artificer
0.0%inclusion3 decks17.9K decks
Leonardo da Vinci
0.0%inclusion2 decks4.59K decks
Reaper King
0.0%inclusion2 decks8.02K decks
Chulane, Teller of Tales
0.0%inclusion1 decks8.76K decks
Francisco, Fowl Marauder // Malcolm, Keen-Eyed Navigator
0.0%inclusion1 decks2.71K decks
Toxrill, the Corrosive
0.0%inclusion1 decks8.03K decks
Aragorn, the Uniter
0.0%inclusion1 decks20.5K decks
Shorikai, Genesis Engine
0.0%inclusion1 decks19.6K decks
Jackdaw
0.2%inclusion1 decks463 decks
Jared Carthalion
0.0%inclusion1 decks4.64K decks
Loot, the Pathfinder
0.0%inclusion1 decks4.91K decks
Sliver Overlord
0.0%inclusion1 decks9.39K decks
Omnath, Locus of All
0.0%inclusion1 decks13.6K decks
Ulalek, Fused Atrocity
0.0%inclusion1 decks26K decks
Vorosh, the Hunter
0.3%inclusion1 decks398 decks
Aesi, Tyrant of Gyre Strait
0.0%inclusion1 decks14.6K decks
Jhoira, Ageless Innovator
0.0%inclusion1 decks2.30K decks
High Synergy Cards
Foundry Inspector
50%inclusion15 decks30 decks
46%synergy
Mycosynth Lattice
43%inclusion13 decks30 decks
43%synergy
Gold Myr
44%inclusion8 decks18 decks
42%synergy
Iron Myr
44%inclusion8 decks18 decks
42%synergy
Great Furnace
44%inclusion8 decks18 decks
39%synergy
Unwinding Clock
40%inclusion12 decks30 decks
38%synergy
Seat of the Synod
43%inclusion13 decks30 decks
37%synergy
Copper Myr
37%inclusion7 decks19 decks
36%synergy
Myr Battlesphere
37%inclusion11 decks30 decks
35%synergy
Vault of Whispers
39%inclusion7 decks18 decks
35%synergy
Top Cards
Leaden Myr
33%inclusion6 decks18 decks
32%synergy
Silver Myr
33%inclusion10 decks30 decks
31%synergy
Emry, Lurker of the Loch
33%inclusion10 decks30 decks
29%synergy
Jhoira, Weatherlight Captain
33%inclusion6 decks18 decks
28%synergy
Doubling Season
32%inclusion6 decks19 decks
22%synergy
Cloud Key
30%inclusion9 decks30 decks
28%synergy
Sculpting Steel
30%inclusion9 decks30 decks
28%synergy
Etherium Sculptor
30%inclusion9 decks30 decks
24%synergy
Urza, Prince of Kroog
28%inclusion5 decks18 decks
26%synergy
Smothering Tithe
28%inclusion5 decks18 decks
7%synergy
Game Changers
The One Ring
33%inclusion10 decks30 decks
25%synergy
Demonic Tutor
33%inclusion6 decks18 decks
14%synergy
Cyclonic Rift
33%inclusion10 decks30 decks
11%synergy
Vampiric Tutor
28%inclusion5 decks18 decks
13%synergy
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28%inclusion5 decks18 decks
13%synergy
Force of Will
20%inclusion6 decks30 decks
10%synergy
Aura Shards
19%inclusion3 decks16 decks
12%synergy
Mox Diamond
17%inclusion5 decks30 decks
12%synergy
Mana Vault
17%inclusion5 decks30 decks
11%synergy
Chrome Mox
17%inclusion5 decks30 decks
11%synergy
Creatures
Myr Retriever
27%inclusion8 decks30 decks
25%synergy
Palladium Myr
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25%synergy
Alibou, Ancient Witness
27%inclusion4 decks15 decks
24%synergy
Alloy Myr
23%inclusion7 decks30 decks
23%synergy
Shimmer Myr
23%inclusion7 decks30 decks
22%synergy
Steel Overseer
23%inclusion7 decks30 decks
22%synergy
Urza, Lord High Artificer
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20%synergy
Ingenious Artillerist
22%inclusion4 decks18 decks
20%synergy
Magda, Brazen Outlaw
22%inclusion4 decks18 decks
20%synergy
Brudiclad, Telchor Engineer
22%inclusion4 decks18 decks
19%synergy
Morophon, the Boundless
21%inclusion3 decks14 decks
7%synergy
Kinnan, Bonder Prodigy
21%inclusion4 decks19 decks
17%synergy
Myr Propagator
20%inclusion6 decks30 decks
20%synergy
Myr Welder
20%inclusion6 decks30 decks
20%synergy
Myr Galvanizer
20%inclusion6 decks30 decks
20%synergy
Urza, Chief Artificer
20%inclusion3 decks15 decks
19%synergy
Scrap Trawler
20%inclusion6 decks30 decks
18%synergy
Sai, Master Thopterist
20%inclusion6 decks30 decks
16%synergy
Knighted Myr
17%inclusion3 decks18 decks
16%synergy
Myrsmith
17%inclusion3 decks18 decks
16%synergy
Krenko, Mob Boss
17%inclusion3 decks18 decks
15%synergy
Xorn
17%inclusion3 decks18 decks
13%synergy
Reckless Fireweaver
17%inclusion3 decks18 decks
13%synergy
Ornithopter of Paradise
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12%synergy
Phyrexian Metamorph
17%inclusion5 decks30 decks
9%synergy
Rampaging Baloths
16%inclusion3 decks19 decks
9%synergy
Dryad of the Ilysian Grove
16%inclusion3 decks19 decks
8%synergy
Tireless Provisioner
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5%synergy
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-12%synergy
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Metalworker
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13%synergy
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13%synergy
Shrieking Drake
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13%synergy
Padeem, Consul of Innovation
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10%synergy
Displacer Kitten
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8%synergy
Glaring Fleshraker
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9%synergy
Battered Golem
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10%synergy
Hovermyr
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10%synergy
Darksteel Myr
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10%synergy
Myr Enforcer
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10%synergy
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9%synergy
Myr Convert
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9%synergy
Cybermen Squadron
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9%synergy
Universal Automaton
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9%synergy
Bloodline Pretender
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9%synergy
Sharding Sphinx
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9%synergy
Vedalken Archmage
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9%synergy
Metallic Mimic
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9%synergy
Blightsteel Colossus
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9%synergy
Instants
Dramatic Reversal
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22%synergy
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9%synergy
Heroic Intervention
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Swords to Plowshares
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Counterspell
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-22%synergy
Whir of Invention
17%inclusion5 decks30 decks
14%synergy
Dispatch
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11%synergy
Mana Drain
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2%synergy
Teferi's Protection
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0%synergy
Negate
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-4%synergy
Path to Exile
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-31%synergy
Tamiyo's Safekeeping
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10%synergy
Nexus of Fate
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12%synergy
Mystical Tutor
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1%synergy
An Offer You Can't Refuse
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-11%synergy
Stifle
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9%synergy
Muddle the Mixture
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6%synergy
Mindbreak Trap
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5%synergy
Pact of Negation
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3%synergy
Force of Negation
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2%synergy
Rapid Hybridization
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1%synergy
Swan Song
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-8%synergy
Arcane Denial
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-10%synergy
Sorceries
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21%synergy
Cultivate
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-21%synergy
Reckless Handling
17%inclusion3 decks18 decks
15%synergy
Grim Tutor
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13%synergy
Vandalblast
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1%synergy
March of Progress
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9%synergy
Rise and Shine
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9%synergy
Windfall
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-2%synergy
Utility Artifacts
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26%synergy
Clock of Omens
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26%synergy
Staff of Domination
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25%synergy
Forsaken Monument
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Ashnod's Altar
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20%synergy
Krark-Clan Ironworks
23%inclusion7 decks30 decks
22%synergy
Isochron Scepter
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21%synergy
Sensei's Divining Top
23%inclusion7 decks30 decks
19%synergy
Myr Matrix
20%inclusion6 decks30 decks
20%synergy
Realmbreaker, the Invasion Tree
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20%synergy
Mystic Forge
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17%synergy
Aetherflux Reservoir
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17%synergy
Lightning Greaves
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-5%synergy
Time Sieve
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14%synergy
Simulacrum Synthesizer
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12%synergy
Spine of Ish Sah
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13%synergy
Darksteel Forge
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12%synergy
Rings of Brighthearth
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12%synergy
Helm of the Host
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10%synergy
Vanquisher's Banner
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10%synergy
Genesis Chamber
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9%synergy
Semblance Anvil
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9%synergy
Encroaching Mycosynth
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9%synergy
Manifold Key
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9%synergy
Thousand-Year Elixir
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8%synergy
Howling Mine
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8%synergy
Sapphire Medallion
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7%synergy
Phyrexian Altar
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6%synergy
Urza's Incubator
10%inclusion3 decks30 decks
6%synergy
Panharmonicon
10%inclusion3 decks30 decks
6%synergy
Swiftfoot Boots
10%inclusion3 decks30 decks
-17%synergy
Enchantments
Cryptolith Rite
26%inclusion5 decks19 decks
22%synergy
Mystic Remora
23%inclusion7 decks30 decks
7%synergy
Rhystic Study
23%inclusion7 decks30 decks
0%synergy
Parallel Lives
21%inclusion4 decks19 decks
15%synergy
Echoes of Eternity
21%inclusion6 decks29 decks
20%synergy
Mechanized Production
17%inclusion5 decks30 decks
14%synergy
Thopter Spy Network
17%inclusion5 decks30 decks
13%synergy
Anointed Procession
17%inclusion3 decks18 decks
9%synergy
Impact Tremors
17%inclusion3 decks18 decks
7%synergy
Leyline of Transformation
15%inclusion4 decks27 decks
14%synergy
Arcane Adaptation
13%inclusion4 decks30 decks
12%synergy
Training Grounds
13%inclusion4 decks30 decks
10%synergy
March of the Machines
10%inclusion3 decks30 decks
10%synergy
Mind Over Matter
10%inclusion3 decks30 decks
10%synergy
Freed from the Real
10%inclusion3 decks30 decks
8%synergy
Planeswalkers
Ugin, the Ineffable
20%inclusion6 decks30 decks
18%synergy
Tezzeret the Seeker
17%inclusion5 decks30 decks
15%synergy
Tezzeret, Betrayer of Flesh
13%inclusion4 decks30 decks
12%synergy
Narset, Parter of Veils
10%inclusion3 decks30 decks
6%synergy
Utility Lands
Ancient Den
39%inclusion7 decks18 decks
33%synergy
Darksteel Citadel
30%inclusion9 decks30 decks
26%synergy
Academy Ruins
30%inclusion9 decks30 decks
25%synergy
Urza's Power Plant
27%inclusion8 decks30 decks
25%synergy
Urza's Mine
27%inclusion8 decks30 decks
25%synergy
Urza's Tower
27%inclusion8 decks30 decks
25%synergy
Reliquary Tower
27%inclusion8 decks30 decks
-3%synergy
Tree of Tales
26%inclusion5 decks19 decks
24%synergy
Inventors' Fair
23%inclusion7 decks30 decks
20%synergy
Buried Ruin
23%inclusion7 decks30 decks
19%synergy
Urza's Saga
20%inclusion6 decks30 decks
13%synergy
Ancient Tomb
17%inclusion5 decks30 decks
7%synergy
Shrine of the Forsaken Gods
13%inclusion4 decks30 decks
12%synergy
Treasure Vault
13%inclusion4 decks30 decks
11%synergy
Yavimaya, Cradle of Growth
13%inclusion4 decks30 decks
5%synergy
Temple of the False God
13%inclusion4 decks30 decks
4%synergy
Archway of Innovation
10%inclusion3 decks29 decks
7%synergy
Urza's Workshop
10%inclusion3 decks30 decks
9%synergy
Tomb of the Spirit Dragon
10%inclusion3 decks30 decks
9%synergy
Cascading Cataracts
10%inclusion3 decks30 decks
9%synergy
Mana Artifacts
Sol Ring
83%inclusion25 decks30 decks
0%synergy
Arcane Signet
63%inclusion19 decks30 decks
-9%synergy
Chromatic Lantern
37%inclusion11 decks30 decks
28%synergy
Basalt Monolith
27%inclusion8 decks30 decks
24%synergy
Mox Opal
27%inclusion8 decks30 decks
22%synergy
Thran Dynamo
23%inclusion7 decks30 decks
19%synergy
Thought Vessel
23%inclusion7 decks30 decks
6%synergy
Timeless Lotus
21%inclusion3 decks14 decks
11%synergy
Mox Amber
20%inclusion6 decks30 decks
15%synergy
Lotus Petal
20%inclusion6 decks30 decks
13%synergy
Liquimetal Torque
17%inclusion5 decks30 decks
14%synergy
Chromatic Orrery
13%inclusion4 decks30 decks
12%synergy
Commander's Sphere
13%inclusion4 decks30 decks
1%synergy
Fellwar Stone
13%inclusion4 decks30 decks
-7%synergy
Crystal Skull, Isu Spyglass
10%inclusion3 decks29 decks
9%synergy
Myr Reservoir
10%inclusion3 decks30 decks
10%synergy
Relic of Legends
10%inclusion3 decks30 decks
8%synergy
Gilded Lotus
10%inclusion3 decks30 decks
7%synergy
Decanter of Endless Water
10%inclusion3 decks30 decks
6%synergy
Lands
The World Tree
71%inclusion10 decks14 decks
44%synergy
Command Tower
70%inclusion21 decks30 decks
-4%synergy
Watery Grave
44%inclusion8 decks18 decks
3%synergy
Exotic Orchard
40%inclusion12 decks30 decks
3%synergy
Steam Vents
39%inclusion7 decks18 decks
1%synergy
Hallowed Fountain
39%inclusion7 decks18 decks
-1%synergy
Temple Garden
38%inclusion6 decks16 decks
-2%synergy
Stomping Ground
38%inclusion6 decks16 decks
-4%synergy
Breeding Pool
37%inclusion7 decks19 decks
-5%synergy
Razortide Bridge
33%inclusion6 decks18 decks
27%synergy
Sacred Foundry
33%inclusion5 decks15 decks
-3%synergy
Overgrown Tomb
33%inclusion5 decks15 decks
-8%synergy
Slagwoods Bridge
31%inclusion5 decks16 decks
29%synergy
Shivan Reef
28%inclusion5 decks18 decks
-2%synergy
Goldmire Bridge
27%inclusion4 decks15 decks
23%synergy
Rustvale Bridge
27%inclusion4 decks15 decks
21%synergy
Raugrin Triome
27%inclusion4 decks15 decks
3%synergy
Godless Shrine
27%inclusion4 decks15 decks
-15%synergy
Thornglint Bridge
25%inclusion4 decks16 decks
23%synergy
Karplusan Forest
25%inclusion4 decks16 decks
5%synergy
Ketria Triome
25%inclusion4 decks16 decks
-5%synergy
Path of Ancestry
23%inclusion7 decks30 decks
1%synergy
Mistvault Bridge
22%inclusion4 decks18 decks
18%synergy
Silverbluff Bridge
22%inclusion4 decks18 decks
16%synergy
Adarkar Wastes
22%inclusion4 decks18 decks
-1%synergy
Drossforge Bridge
21%inclusion3 decks14 decks
18%synergy
Xander's Lounge
21%inclusion3 decks14 decks
-2%synergy
Indatha Triome
21%inclusion3 decks14 decks
-6%synergy
Blood Crypt
21%inclusion3 decks14 decks
-17%synergy
Yavimaya Coast
21%inclusion4 decks19 decks
-6%synergy
Darkmoss Bridge
20%inclusion3 decks15 decks
17%synergy
Polluted Delta
20%inclusion6 decks30 decks
8%synergy
Evolving Wilds
20%inclusion6 decks30 decks
-1%synergy
Raffine's Tower
20%inclusion3 decks15 decks
-4%synergy
Zagoth Triome
20%inclusion3 decks15 decks
-8%synergy
Caves of Koilos
20%inclusion3 decks15 decks
-9%synergy
Spara's Headquarters
19%inclusion3 decks16 decks
-9%synergy
Frontier Bivouac
19%inclusion3 decks16 decks
-10%synergy
Misty Rainforest
17%inclusion5 decks30 decks
5%synergy
Terramorphic Expanse
17%inclusion5 decks30 decks
2%synergy
Underground River
17%inclusion3 decks18 decks
-6%synergy
Tanglepool Bridge
16%inclusion3 decks19 decks
13%synergy
Spire of Industry
13%inclusion4 decks30 decks
10%synergy
Reflecting Pool
13%inclusion4 decks30 decks
8%synergy
City of Brass
13%inclusion4 decks30 decks
6%synergy
Scalding Tarn
13%inclusion4 decks30 decks
3%synergy
Verdant Catacombs
13%inclusion4 decks30 decks
2%synergy
Flooded Strand
13%inclusion4 decks30 decks
2%synergy
Power Depot
10%inclusion3 decks30 decks
9%synergy
The Mycosynth Gardens
10%inclusion3 decks30 decks
8%synergy