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
0.0%inclusion6 decks15.1K decks
Urza, Lord High Artificer
0.0%inclusion2 decks17.2K decks
Leonardo da Vinci
0.0%inclusion2 decks4.32K decks
Reaper King
0.0%inclusion2 decks7.27K decks
Chulane, Teller of Tales
0.0%inclusion1 decks8.43K decks
Francisco, Fowl Marauder // Malcolm, Keen-Eyed Navigator
0.0%inclusion1 decks2.72K decks
Toxrill, the Corrosive
0.0%inclusion1 decks7.83K decks
Shorikai, Genesis Engine
0.0%inclusion1 decks19.3K decks
Jackdaw
0.2%inclusion1 decks416 decks
Jared Carthalion
0.0%inclusion1 decks4.50K decks
Loot, the Pathfinder
0.0%inclusion1 decks4.63K decks
Sliver Overlord
0.0%inclusion1 decks8.89K decks
Ulalek, Fused Atrocity
0.0%inclusion1 decks24K decks
Vorosh, the Hunter
0.3%inclusion1 decks375 decks
Atraxa, Grand Unifier
0.0%inclusion1 decks15.9K decks
Aesi, Tyrant of Gyre Strait
0.0%inclusion1 decks13.9K decks
Jhoira, Ageless Innovator
0.0%inclusion1 decks2.26K decks
Morophon, the Boundless
0.0%inclusion1 decks12.8K decks
High Synergy Cards
Unwinding Clock
46%inclusion13 decks28 decks
44%synergy
Foundry Inspector
46%inclusion13 decks28 decks
42%synergy
Mycosynth Lattice
43%inclusion12 decks28 decks
42%synergy
Great Furnace
47%inclusion7 decks15 decks
41%synergy
Iron Myr
40%inclusion6 decks15 decks
37%synergy
Gold Myr
38%inclusion6 decks16 decks
35%synergy
Jhoira, Weatherlight Captain
40%inclusion6 decks15 decks
34%synergy
Seat of the Synod
39%inclusion11 decks28 decks
33%synergy
Ancient Den
38%inclusion6 decks16 decks
32%synergy
Vault of Whispers
35%inclusion6 decks17 decks
31%synergy
Top Cards
Myr Battlesphere
32%inclusion9 decks28 decks
30%synergy
Fabricate
32%inclusion9 decks28 decks
27%synergy
Cyclonic Rift
32%inclusion9 decks28 decks
9%synergy
Urza, Prince of Kroog
31%inclusion5 decks16 decks
29%synergy
Copper Myr
29%inclusion5 decks17 decks
28%synergy
Doubling Season
29%inclusion5 decks17 decks
20%synergy
Heroic Intervention
29%inclusion5 decks17 decks
-1%synergy
Clock of Omens
29%inclusion8 decks28 decks
28%synergy
Forsaken Monument
29%inclusion8 decks28 decks
27%synergy
Myr Retriever
29%inclusion8 decks28 decks
27%synergy
Game Changers
The One Ring
36%inclusion10 decks28 decks
27%synergy
Demonic Tutor
35%inclusion6 decks17 decks
16%synergy
Smothering Tithe
31%inclusion5 decks16 decks
10%synergy
Fierce Guardianship
29%inclusion8 decks28 decks
11%synergy
Enlightened Tutor
25%inclusion4 decks16 decks
9%synergy
Aura Shards
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14%synergy
Force of Will
21%inclusion6 decks28 decks
11%synergy
Mox Diamond
18%inclusion5 decks28 decks
13%synergy
Mana Vault
18%inclusion5 decks28 decks
12%synergy
Chrome Mox
18%inclusion5 decks28 decks
12%synergy
Creatures
Silver Myr
29%inclusion8 decks28 decks
26%synergy
Urza, Lord High Artificer
29%inclusion8 decks28 decks
25%synergy
Emry, Lurker of the Loch
29%inclusion8 decks28 decks
24%synergy
Etherium Sculptor
29%inclusion8 decks28 decks
23%synergy
Alibou, Ancient Witness
25%inclusion3 decks12 decks
22%synergy
Morophon, the Boundless
25%inclusion3 decks12 decks
11%synergy
Leaden Myr
24%inclusion4 decks17 decks
22%synergy
Kinnan, Bonder Prodigy
24%inclusion4 decks17 decks
19%synergy
Myr Welder
21%inclusion6 decks28 decks
21%synergy
Myr Galvanizer
21%inclusion6 decks28 decks
21%synergy
Shimmer Myr
21%inclusion6 decks28 decks
20%synergy
Steel Overseer
21%inclusion6 decks28 decks
20%synergy
Palladium Myr
21%inclusion6 decks28 decks
20%synergy
Phyrexian Metamorph
21%inclusion6 decks28 decks
14%synergy
Ingenious Artillerist
20%inclusion3 decks15 decks
18%synergy
Magda, Brazen Outlaw
20%inclusion3 decks15 decks
18%synergy
Brudiclad, Telchor Engineer
20%inclusion3 decks15 decks
17%synergy
Myrsmith
19%inclusion3 decks16 decks
18%synergy
Myr Propagator
18%inclusion5 decks28 decks
18%synergy
Sai, Master Thopterist
18%inclusion5 decks28 decks
14%synergy
Gemhide Sliver
18%inclusion3 decks17 decks
16%synergy
Dryad of the Ilysian Grove
18%inclusion3 decks17 decks
9%synergy
Birds of Paradise
18%inclusion3 decks17 decks
-10%synergy
Myr Kinsmith
14%inclusion4 decks28 decks
14%synergy
Alloy Myr
14%inclusion4 decks28 decks
14%synergy
Vedalken Archmage
14%inclusion4 decks28 decks
13%synergy
Scrap Trawler
14%inclusion4 decks28 decks
13%synergy
Padeem, Consul of Innovation
14%inclusion4 decks28 decks
11%synergy
Ornithopter of Paradise
14%inclusion4 decks28 decks
10%synergy
Displacer Kitten
14%inclusion4 decks28 decks
9%synergy
Lodestone Myr
11%inclusion3 decks28 decks
11%synergy
Hovermyr
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11%synergy
Myr Enforcer
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10%synergy
Metalworker
11%inclusion3 decks28 decks
10%synergy
Mycosynth Golem
11%inclusion3 decks28 decks
10%synergy
Amoeboid Changeling
11%inclusion3 decks28 decks
10%synergy
Cybermen Squadron
11%inclusion3 decks28 decks
10%synergy
Universal Automaton
11%inclusion3 decks28 decks
10%synergy
Sharding Sphinx
11%inclusion3 decks28 decks
10%synergy
Blightsteel Colossus
11%inclusion3 decks28 decks
9%synergy
Whirler Rogue
11%inclusion3 decks28 decks
9%synergy
The Reality Chip
11%inclusion3 decks28 decks
7%synergy
Spark Double
11%inclusion3 decks28 decks
4%synergy
Thassa's Oracle
11%inclusion3 decks28 decks
4%synergy
Faerie Mastermind
11%inclusion3 decks28 decks
4%synergy
Hullbreaker Horror
11%inclusion3 decks28 decks
3%synergy
Solemn Simulacrum
11%inclusion3 decks28 decks
-2%synergy
Instants
Dramatic Reversal
25%inclusion7 decks28 decks
21%synergy
Swords to Plowshares
25%inclusion4 decks16 decks
-37%synergy
Vampiric Tutor
24%inclusion4 decks17 decks
8%synergy
Whir of Invention
21%inclusion6 decks28 decks
19%synergy
Counterspell
21%inclusion6 decks28 decks
-20%synergy
Dispatch
19%inclusion3 decks16 decks
13%synergy
Path to Exile
19%inclusion3 decks16 decks
-28%synergy
Negate
18%inclusion5 decks28 decks
-3%synergy
Nexus of Fate
14%inclusion4 decks28 decks
13%synergy
Mindbreak Trap
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9%synergy
Mystical Tutor
14%inclusion4 decks28 decks
2%synergy
Mana Drain
14%inclusion4 decks28 decks
0%synergy
An Offer You Can't Refuse
14%inclusion4 decks28 decks
-10%synergy
Stifle
11%inclusion3 decks28 decks
10%synergy
Muddle the Mixture
11%inclusion3 decks28 decks
6%synergy
Pact of Negation
11%inclusion3 decks28 decks
4%synergy
Force of Negation
11%inclusion3 decks28 decks
2%synergy
Rapid Hybridization
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1%synergy
Swan Song
11%inclusion3 decks28 decks
-7%synergy
Arcane Denial
11%inclusion3 decks28 decks
-10%synergy
Sorceries
Vandalblast
27%inclusion4 decks15 decks
11%synergy
Cultivate
24%inclusion4 decks17 decks
-19%synergy
Grim Tutor
18%inclusion3 decks17 decks
14%synergy
March of Progress
11%inclusion3 decks28 decks
10%synergy
Reshape
11%inclusion3 decks28 decks
10%synergy
Windfall
11%inclusion3 decks28 decks
-1%synergy
Utility Artifacts
Cloud Key
29%inclusion8 decks28 decks
27%synergy
Myr Turbine
25%inclusion7 decks28 decks
25%synergy
Staff of Domination
25%inclusion7 decks28 decks
24%synergy
Isochron Scepter
25%inclusion7 decks28 decks
23%synergy
Sculpting Steel
25%inclusion7 decks28 decks
23%synergy
Sensei's Divining Top
25%inclusion7 decks28 decks
20%synergy
Mystic Forge
21%inclusion6 decks28 decks
18%synergy
Aetherflux Reservoir
21%inclusion6 decks28 decks
18%synergy
Ashnod's Altar
21%inclusion6 decks28 decks
15%synergy
Lightning Greaves
21%inclusion6 decks28 decks
-3%synergy
Myr Matrix
18%inclusion5 decks28 decks
18%synergy
Simulacrum Synthesizer
17%inclusion4 decks24 decks
15%synergy
Realmbreaker, the Invasion Tree
14%inclusion4 decks28 decks
14%synergy
Spine of Ish Sah
14%inclusion4 decks28 decks
14%synergy
Encroaching Mycosynth
14%inclusion4 decks28 decks
13%synergy
Krark-Clan Ironworks
14%inclusion4 decks28 decks
13%synergy
Darksteel Forge
14%inclusion4 decks28 decks
13%synergy
Rings of Brighthearth
14%inclusion4 decks28 decks
13%synergy
Genesis Chamber
11%inclusion3 decks28 decks
10%synergy
Semblance Anvil
11%inclusion3 decks28 decks
10%synergy
Lithoform Engine
11%inclusion3 decks28 decks
10%synergy
Howling Mine
11%inclusion3 decks28 decks
9%synergy
Sapphire Medallion
11%inclusion3 decks28 decks
8%synergy
Helm of the Host
11%inclusion3 decks28 decks
8%synergy
Urza's Incubator
11%inclusion3 decks28 decks
7%synergy
Vanquisher's Banner
11%inclusion3 decks28 decks
7%synergy
Phyrexian Altar
11%inclusion3 decks28 decks
7%synergy
Swiftfoot Boots
11%inclusion3 decks28 decks
-17%synergy
Enchantments
Rhystic Study
25%inclusion7 decks28 decks
1%synergy
Cryptolith Rite
24%inclusion4 decks17 decks
20%synergy
Parallel Lives
24%inclusion4 decks17 decks
17%synergy
Mystic Remora
21%inclusion6 decks28 decks
5%synergy
Echoes of Eternity
21%inclusion5 decks24 decks
20%synergy
Anointed Procession
19%inclusion3 decks16 decks
11%synergy
Thopter Spy Network
18%inclusion5 decks28 decks
14%synergy
Elven Chorus
18%inclusion3 decks17 decks
15%synergy
Arcane Adaptation
14%inclusion4 decks28 decks
13%synergy
Training Grounds
14%inclusion4 decks28 decks
11%synergy
Mechanized Production
14%inclusion4 decks28 decks
11%synergy
Leyline of Transformation
14%inclusion3 decks22 decks
13%synergy
Mind Over Matter
11%inclusion3 decks28 decks
10%synergy
Pemmin's Aura
11%inclusion3 decks28 decks
9%synergy
Virtue of Knowledge
11%inclusion3 decks28 decks
9%synergy
Freed from the Real
11%inclusion3 decks28 decks
9%synergy
Imprisoned in the Moon
11%inclusion3 decks28 decks
7%synergy
Planeswalkers
Tezzeret the Seeker
18%inclusion5 decks28 decks
16%synergy
Ugin, the Ineffable
14%inclusion4 decks28 decks
13%synergy
Tezzeret, Betrayer of Flesh
11%inclusion3 decks28 decks
10%synergy
Narset, Parter of Veils
11%inclusion3 decks28 decks
7%synergy
Utility Lands
Academy Ruins
32%inclusion9 decks28 decks
27%synergy
Reliquary Tower
32%inclusion9 decks28 decks
2%synergy
Darksteel Citadel
29%inclusion8 decks28 decks
25%synergy
Inventors' Fair
29%inclusion8 decks28 decks
25%synergy
Urza's Power Plant
25%inclusion7 decks28 decks
23%synergy
Urza's Mine
25%inclusion7 decks28 decks
23%synergy
Urza's Tower
25%inclusion7 decks28 decks
23%synergy
Buried Ruin
25%inclusion7 decks28 decks
20%synergy
Tree of Tales
24%inclusion4 decks17 decks
21%synergy
Urza's Saga
21%inclusion6 decks28 decks
14%synergy
Yavimaya, Cradle of Growth
18%inclusion5 decks28 decks
9%synergy
Ancient Tomb
18%inclusion5 decks28 decks
8%synergy
Boseiju, Who Endures
18%inclusion3 decks17 decks
-1%synergy
Tomb of the Spirit Dragon
14%inclusion4 decks28 decks
13%synergy
Temple of the False God
14%inclusion4 decks28 decks
5%synergy
Urza's Workshop
11%inclusion3 decks28 decks
10%synergy
Treasure Vault
11%inclusion3 decks28 decks
8%synergy
Minamo, School at Water's Edge
11%inclusion3 decks28 decks
6%synergy
Otawara, Soaring City
11%inclusion3 decks28 decks
-6%synergy
Rogue's Passage
11%inclusion3 decks28 decks
-10%synergy
Mana Artifacts
Sol Ring
86%inclusion24 decks28 decks
2%synergy
Arcane Signet
61%inclusion17 decks28 decks
-12%synergy
Chromatic Lantern
36%inclusion10 decks28 decks
27%synergy
Basalt Monolith
29%inclusion8 decks28 decks
26%synergy
Mox Opal
29%inclusion8 decks28 decks
24%synergy
Thran Dynamo
25%inclusion7 decks28 decks
20%synergy
Mox Amber
21%inclusion6 decks28 decks
17%synergy
Lotus Petal
21%inclusion6 decks28 decks
14%synergy
Thought Vessel
21%inclusion6 decks28 decks
4%synergy
Chromatic Orrery
14%inclusion4 decks28 decks
13%synergy
Liquimetal Torque
14%inclusion4 decks28 decks
12%synergy
Commander's Sphere
14%inclusion4 decks28 decks
2%synergy
Fellwar Stone
14%inclusion4 decks28 decks
-6%synergy
Crystal Skull, Isu Spyglass
13%inclusion3 decks24 decks
11%synergy
Myr Reservoir
11%inclusion3 decks28 decks
11%synergy
Gilded Lotus
11%inclusion3 decks28 decks
8%synergy
Lands
The World Tree
75%inclusion9 decks12 decks
46%synergy
Command Tower
68%inclusion19 decks28 decks
-6%synergy
Watery Grave
47%inclusion8 decks17 decks
6%synergy
Steam Vents
47%inclusion7 decks15 decks
9%synergy
Stomping Ground
46%inclusion6 decks13 decks
5%synergy
Hallowed Fountain
44%inclusion7 decks16 decks
4%synergy
Temple Garden
43%inclusion6 decks14 decks
4%synergy
Sacred Foundry
42%inclusion5 decks12 decks
5%synergy
Breeding Pool
41%inclusion7 decks17 decks
0%synergy
Exotic Orchard
32%inclusion9 decks28 decks
-4%synergy
Slagwoods Bridge
31%inclusion4 decks13 decks
28%synergy
Indatha Triome
31%inclusion4 decks13 decks
3%synergy
Zagoth Triome
29%inclusion4 decks14 decks
1%synergy
Spara's Headquarters
29%inclusion4 decks14 decks
0%synergy
Overgrown Tomb
29%inclusion4 decks14 decks
-12%synergy
Godless Shrine
29%inclusion4 decks14 decks
-13%synergy
Shivan Reef
27%inclusion4 decks15 decks
-3%synergy
Rustvale Bridge
25%inclusion3 decks12 decks
19%synergy
Razortide Bridge
25%inclusion4 decks16 decks
18%synergy
Polluted Delta
25%inclusion7 decks28 decks
13%synergy
Path of Ancestry
25%inclusion7 decks28 decks
3%synergy
Xander's Lounge
25%inclusion3 decks12 decks
1%synergy
Raugrin Triome
25%inclusion3 decks12 decks
0%synergy
Blood Crypt
25%inclusion3 decks12 decks
-12%synergy
Karplusan Forest
23%inclusion3 decks13 decks
3%synergy
Ketria Triome
23%inclusion3 decks13 decks
-8%synergy
Thornglint Bridge
21%inclusion3 decks14 decks
20%synergy
Misty Rainforest
21%inclusion6 decks28 decks
10%synergy
Raffine's Tower
21%inclusion3 decks14 decks
-3%synergy
Caves of Koilos
21%inclusion3 decks14 decks
-8%synergy
Silverbluff Bridge
20%inclusion3 decks15 decks
14%synergy
Adarkar Wastes
19%inclusion3 decks16 decks
-5%synergy
Spire of Industry
18%inclusion5 decks28 decks
15%synergy
Verdant Catacombs
18%inclusion5 decks28 decks
7%synergy
Flooded Strand
18%inclusion5 decks28 decks
6%synergy
Evolving Wilds
18%inclusion5 decks28 decks
-3%synergy
Underground River
18%inclusion3 decks17 decks
-5%synergy
Yavimaya Coast
18%inclusion3 decks17 decks
-10%synergy
Gemstone Caverns
14%inclusion4 decks28 decks
9%synergy
City of Brass
14%inclusion4 decks28 decks
7%synergy
Marsh Flats
14%inclusion4 decks28 decks
4%synergy
Scalding Tarn
14%inclusion4 decks28 decks
3%synergy
Windswept Heath
14%inclusion4 decks28 decks
3%synergy
Terramorphic Expanse
14%inclusion4 decks28 decks
-1%synergy
Myriad Landscape
14%inclusion4 decks28 decks
-2%synergy
Glimmervoid
11%inclusion3 decks28 decks
10%synergy
The Mycosynth Gardens
11%inclusion3 decks28 decks
9%synergy
Reflecting Pool
11%inclusion3 decks28 decks
6%synergy
Wooded Foothills
11%inclusion3 decks28 decks
0%synergy