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 decks15.4K decks
Urza, Lord High Artificer
0.0%inclusion2 decks17.6K decks
Leonardo da Vinci
0.0%inclusion2 decks4.46K decks
Reaper King
0.0%inclusion2 decks7.76K decks
Chulane, Teller of Tales
0.0%inclusion1 decks8.61K decks
Francisco, Fowl Marauder // Malcolm, Keen-Eyed Navigator
0.0%inclusion1 decks2.70K decks
Toxrill, the Corrosive
0.0%inclusion1 decks7.96K decks
Aragorn, the Uniter
0.0%inclusion1 decks20.2K decks
Shorikai, Genesis Engine
0.0%inclusion1 decks19.4K decks
Jackdaw
0.2%inclusion1 decks442 decks
Jared Carthalion
0.0%inclusion1 decks4.58K decks
Loot, the Pathfinder
0.0%inclusion1 decks4.80K decks
Sliver Overlord
0.0%inclusion1 decks9.18K decks
Omnath, Locus of All
0.0%inclusion1 decks13.4K decks
Ulalek, Fused Atrocity
0.0%inclusion1 decks25.1K decks
Vorosh, the Hunter
0.3%inclusion1 decks390 decks
Aesi, Tyrant of Gyre Strait
0.0%inclusion1 decks14.3K decks
Jhoira, Ageless Innovator
0.0%inclusion1 decks2.28K decks
High Synergy Cards
Unwinding Clock
45%inclusion13 decks29 decks
42%synergy
Foundry Inspector
45%inclusion13 decks29 decks
41%synergy
Mycosynth Lattice
41%inclusion12 decks29 decks
41%synergy
Gold Myr
41%inclusion7 decks17 decks
39%synergy
Iron Myr
41%inclusion7 decks17 decks
39%synergy
Great Furnace
41%inclusion7 decks17 decks
35%synergy
Copper Myr
33%inclusion6 decks18 decks
32%synergy
Seat of the Synod
38%inclusion11 decks29 decks
31%synergy
Vault of Whispers
35%inclusion6 decks17 decks
31%synergy
Emry, Lurker of the Loch
34%inclusion10 decks29 decks
30%synergy
Top Cards
Jhoira, Weatherlight Captain
35%inclusion6 decks17 decks
29%synergy
Myr Battlesphere
31%inclusion9 decks29 decks
29%synergy
Silver Myr
31%inclusion9 decks29 decks
29%synergy
Fabricate
31%inclusion9 decks29 decks
26%synergy
Urza, Prince of Kroog
29%inclusion5 decks17 decks
28%synergy
Leaden Myr
29%inclusion5 decks17 decks
28%synergy
Smothering Tithe
29%inclusion5 decks17 decks
8%synergy
Doubling Season
28%inclusion5 decks18 decks
18%synergy
Heroic Intervention
28%inclusion5 decks18 decks
-3%synergy
Clock of Omens
28%inclusion8 decks29 decks
27%synergy
Game Changers
Demonic Tutor
35%inclusion6 decks17 decks
16%synergy
The One Ring
34%inclusion10 decks29 decks
26%synergy
Cyclonic Rift
31%inclusion9 decks29 decks
9%synergy
Fierce Guardianship
28%inclusion8 decks29 decks
10%synergy
Vampiric Tutor
24%inclusion4 decks17 decks
9%synergy
Enlightened Tutor
24%inclusion4 decks17 decks
8%synergy
Aura Shards
20%inclusion3 decks15 decks
13%synergy
Mox Diamond
17%inclusion5 decks29 decks
13%synergy
Mana Vault
17%inclusion5 decks29 decks
11%synergy
Chrome Mox
17%inclusion5 decks29 decks
11%synergy
Creatures
Myr Retriever
28%inclusion8 decks29 decks
26%synergy
Urza, Lord High Artificer
28%inclusion8 decks29 decks
24%synergy
Etherium Sculptor
28%inclusion8 decks29 decks
22%synergy
Palladium Myr
24%inclusion7 decks29 decks
22%synergy
Ingenious Artillerist
24%inclusion4 decks17 decks
22%synergy
Magda, Brazen Outlaw
24%inclusion4 decks17 decks
21%synergy
Morophon, the Boundless
23%inclusion3 decks13 decks
9%synergy
Kinnan, Bonder Prodigy
22%inclusion4 decks18 decks
18%synergy
Alibou, Ancient Witness
21%inclusion3 decks14 decks
19%synergy
Myr Welder
21%inclusion6 decks29 decks
20%synergy
Myr Galvanizer
21%inclusion6 decks29 decks
20%synergy
Alloy Myr
21%inclusion6 decks29 decks
20%synergy
Shimmer Myr
21%inclusion6 decks29 decks
19%synergy
Steel Overseer
21%inclusion6 decks29 decks
19%synergy
Phyrexian Metamorph
21%inclusion6 decks29 decks
13%synergy
Myrsmith
18%inclusion3 decks17 decks
17%synergy
Krenko, Mob Boss
18%inclusion3 decks17 decks
16%synergy
Brudiclad, Telchor Engineer
18%inclusion3 decks17 decks
15%synergy
Xorn
18%inclusion3 decks17 decks
14%synergy
Reckless Fireweaver
18%inclusion3 decks17 decks
14%synergy
Myr Propagator
17%inclusion5 decks29 decks
17%synergy
Sai, Master Thopterist
17%inclusion5 decks29 decks
14%synergy
Rampaging Baloths
17%inclusion3 decks18 decks
10%synergy
Dryad of the Ilysian Grove
17%inclusion3 decks18 decks
8%synergy
Tireless Provisioner
17%inclusion3 decks18 decks
6%synergy
Birds of Paradise
17%inclusion3 decks18 decks
-11%synergy
Myr Kinsmith
14%inclusion4 decks29 decks
14%synergy
Vedalken Archmage
14%inclusion4 decks29 decks
13%synergy
Scrap Trawler
14%inclusion4 decks29 decks
12%synergy
Padeem, Consul of Innovation
14%inclusion4 decks29 decks
10%synergy
Ornithopter of Paradise
14%inclusion4 decks29 decks
9%synergy
Displacer Kitten
14%inclusion4 decks29 decks
9%synergy
Battered Golem
10%inclusion3 decks29 decks
10%synergy
Lodestone Myr
10%inclusion3 decks29 decks
10%synergy
Hovermyr
10%inclusion3 decks29 decks
10%synergy
Myr Enforcer
10%inclusion3 decks29 decks
10%synergy
Metalworker
10%inclusion3 decks29 decks
10%synergy
Mycosynth Golem
10%inclusion3 decks29 decks
10%synergy
Amoeboid Changeling
10%inclusion3 decks29 decks
10%synergy
Shrieking Drake
10%inclusion3 decks29 decks
10%synergy
Cybermen Squadron
10%inclusion3 decks29 decks
10%synergy
Universal Automaton
10%inclusion3 decks29 decks
10%synergy
Sharding Sphinx
10%inclusion3 decks29 decks
9%synergy
Blightsteel Colossus
10%inclusion3 decks29 decks
9%synergy
Whirler Rogue
10%inclusion3 decks29 decks
9%synergy
Deadeye Navigator
10%inclusion3 decks29 decks
8%synergy
The Reality Chip
10%inclusion3 decks29 decks
7%synergy
Peregrine Drake
10%inclusion3 decks29 decks
7%synergy
Academy Manufactor
10%inclusion3 decks29 decks
6%synergy
Spark Double
10%inclusion3 decks29 decks
4%synergy
Instants
Whir of Invention
24%inclusion7 decks29 decks
22%synergy
Dramatic Reversal
24%inclusion7 decks29 decks
20%synergy
Swords to Plowshares
24%inclusion4 decks17 decks
-38%synergy
Counterspell
21%inclusion6 decks29 decks
-21%synergy
Dispatch
18%inclusion3 decks17 decks
12%synergy
Path to Exile
18%inclusion3 decks17 decks
-30%synergy
Force of Will
17%inclusion5 decks29 decks
7%synergy
Negate
17%inclusion5 decks29 decks
-4%synergy
Tamiyo's Safekeeping
17%inclusion3 decks18 decks
11%synergy
Nexus of Fate
14%inclusion4 decks29 decks
12%synergy
Mystical Tutor
14%inclusion4 decks29 decks
2%synergy
Mana Drain
14%inclusion4 decks29 decks
-1%synergy
An Offer You Can't Refuse
14%inclusion4 decks29 decks
-11%synergy
Stifle
10%inclusion3 decks29 decks
10%synergy
Muddle the Mixture
10%inclusion3 decks29 decks
6%synergy
Mindbreak Trap
10%inclusion3 decks29 decks
5%synergy
Pact of Negation
10%inclusion3 decks29 decks
4%synergy
Force of Negation
10%inclusion3 decks29 decks
2%synergy
Rapid Hybridization
10%inclusion3 decks29 decks
1%synergy
Swan Song
10%inclusion3 decks29 decks
-7%synergy
Arcane Denial
10%inclusion3 decks29 decks
-10%synergy
Sorceries
Vandalblast
24%inclusion4 decks17 decks
8%synergy
Cultivate
22%inclusion4 decks18 decks
-20%synergy
Reckless Handling
18%inclusion3 decks17 decks
16%synergy
Grim Tutor
18%inclusion3 decks17 decks
14%synergy
March of Progress
10%inclusion3 decks29 decks
10%synergy
Rise and Shine
10%inclusion3 decks29 decks
9%synergy
Reshape
10%inclusion3 decks29 decks
9%synergy
Windfall
10%inclusion3 decks29 decks
-2%synergy
Utility Artifacts
Forsaken Monument
28%inclusion8 decks29 decks
26%synergy
Cloud Key
28%inclusion8 decks29 decks
26%synergy
Myr Turbine
24%inclusion7 decks29 decks
24%synergy
Staff of Domination
24%inclusion7 decks29 decks
23%synergy
Isochron Scepter
24%inclusion7 decks29 decks
22%synergy
Sculpting Steel
24%inclusion7 decks29 decks
22%synergy
Lightning Greaves
24%inclusion7 decks29 decks
-1%synergy
Realmbreaker, the Invasion Tree
21%inclusion6 decks29 decks
20%synergy
Mystic Forge
21%inclusion6 decks29 decks
18%synergy
Aetherflux Reservoir
21%inclusion6 decks29 decks
17%synergy
Sensei's Divining Top
21%inclusion6 decks29 decks
16%synergy
Ashnod's Altar
21%inclusion6 decks29 decks
14%synergy
Myr Matrix
17%inclusion5 decks29 decks
17%synergy
Simulacrum Synthesizer
15%inclusion4 decks26 decks
14%synergy
Spine of Ish Sah
14%inclusion4 decks29 decks
13%synergy
Encroaching Mycosynth
14%inclusion4 decks29 decks
13%synergy
Krark-Clan Ironworks
14%inclusion4 decks29 decks
13%synergy
Darksteel Forge
14%inclusion4 decks29 decks
13%synergy
Rings of Brighthearth
14%inclusion4 decks29 decks
13%synergy
Vanquisher's Banner
14%inclusion4 decks29 decks
10%synergy
Swiftfoot Boots
14%inclusion4 decks29 decks
-13%synergy
Genesis Chamber
10%inclusion3 decks29 decks
10%synergy
Semblance Anvil
10%inclusion3 decks29 decks
10%synergy
Howling Mine
10%inclusion3 decks29 decks
8%synergy
Sapphire Medallion
10%inclusion3 decks29 decks
7%synergy
Helm of the Host
10%inclusion3 decks29 decks
7%synergy
Urza's Incubator
10%inclusion3 decks29 decks
7%synergy
Phyrexian Altar
10%inclusion3 decks29 decks
7%synergy
Enchantments
Rhystic Study
24%inclusion7 decks29 decks
0%synergy
Cryptolith Rite
22%inclusion4 decks18 decks
18%synergy
Parallel Lives
22%inclusion4 decks18 decks
16%synergy
Mystic Remora
21%inclusion6 decks29 decks
5%synergy
Echoes of Eternity
19%inclusion5 decks26 decks
18%synergy
Anointed Procession
18%inclusion3 decks17 decks
10%synergy
Impact Tremors
18%inclusion3 decks17 decks
8%synergy
Thopter Spy Network
17%inclusion5 decks29 decks
14%synergy
Leyline of Transformation
17%inclusion4 decks24 decks
16%synergy
Elven Chorus
17%inclusion3 decks18 decks
14%synergy
Arcane Adaptation
14%inclusion4 decks29 decks
13%synergy
Training Grounds
14%inclusion4 decks29 decks
11%synergy
Mechanized Production
14%inclusion4 decks29 decks
11%synergy
March of the Machines
10%inclusion3 decks29 decks
10%synergy
Mind Over Matter
10%inclusion3 decks29 decks
10%synergy
Pemmin's Aura
10%inclusion3 decks29 decks
9%synergy
Freed from the Real
10%inclusion3 decks29 decks
8%synergy
Imprisoned in the Moon
10%inclusion3 decks29 decks
7%synergy
Planeswalkers
Tezzeret the Seeker
21%inclusion6 decks29 decks
19%synergy
Tezzeret, Betrayer of Flesh
14%inclusion4 decks29 decks
13%synergy
Ugin, the Ineffable
14%inclusion4 decks29 decks
12%synergy
Narset, Parter of Veils
10%inclusion3 decks29 decks
7%synergy
Utility Lands
Ancient Den
35%inclusion6 decks17 decks
30%synergy
Academy Ruins
31%inclusion9 decks29 decks
26%synergy
Reliquary Tower
31%inclusion9 decks29 decks
1%synergy
Darksteel Citadel
28%inclusion8 decks29 decks
24%synergy
Inventors' Fair
28%inclusion8 decks29 decks
24%synergy
Urza's Power Plant
24%inclusion7 decks29 decks
22%synergy
Urza's Mine
24%inclusion7 decks29 decks
22%synergy
Urza's Tower
24%inclusion7 decks29 decks
22%synergy
Buried Ruin
24%inclusion7 decks29 decks
19%synergy
Tree of Tales
22%inclusion4 decks18 decks
20%synergy
Urza's Saga
17%inclusion5 decks29 decks
10%synergy
Ancient Tomb
17%inclusion5 decks29 decks
8%synergy
Tomb of the Spirit Dragon
14%inclusion4 decks29 decks
13%synergy
Yavimaya, Cradle of Growth
14%inclusion4 decks29 decks
5%synergy
Temple of the False God
14%inclusion4 decks29 decks
5%synergy
Urza's Workshop
10%inclusion3 decks29 decks
10%synergy
Treasure Vault
10%inclusion3 decks29 decks
8%synergy
Minamo, School at Water's Edge
10%inclusion3 decks29 decks
6%synergy
Rogue's Passage
10%inclusion3 decks29 decks
-10%synergy
Mana Artifacts
Sol Ring
90%inclusion26 decks29 decks
6%synergy
Arcane Signet
66%inclusion19 decks29 decks
-7%synergy
Chromatic Lantern
38%inclusion11 decks29 decks
29%synergy
Basalt Monolith
28%inclusion8 decks29 decks
25%synergy
Mox Opal
28%inclusion8 decks29 decks
23%synergy
Thran Dynamo
24%inclusion7 decks29 decks
20%synergy
Thought Vessel
24%inclusion7 decks29 decks
7%synergy
Mox Amber
21%inclusion6 decks29 decks
16%synergy
Lotus Petal
21%inclusion6 decks29 decks
14%synergy
Chromatic Orrery
14%inclusion4 decks29 decks
12%synergy
Liquimetal Torque
14%inclusion4 decks29 decks
11%synergy
Commander's Sphere
14%inclusion4 decks29 decks
2%synergy
Fellwar Stone
14%inclusion4 decks29 decks
-7%synergy
Crystal Skull, Isu Spyglass
12%inclusion3 decks26 decks
10%synergy
Myr Reservoir
10%inclusion3 decks29 decks
10%synergy
Relic of Legends
10%inclusion3 decks29 decks
8%synergy
Gilded Lotus
10%inclusion3 decks29 decks
7%synergy
Lands
The World Tree
77%inclusion10 decks13 decks
49%synergy
Command Tower
72%inclusion21 decks29 decks
-2%synergy
Watery Grave
53%inclusion9 decks17 decks
11%synergy
Steam Vents
47%inclusion8 decks17 decks
9%synergy
Hallowed Fountain
47%inclusion8 decks17 decks
7%synergy
Temple Garden
47%inclusion7 decks15 decks
8%synergy
Stomping Ground
47%inclusion7 decks15 decks
5%synergy
Breeding Pool
44%inclusion8 decks18 decks
3%synergy
Sacred Foundry
43%inclusion6 decks14 decks
6%synergy
Exotic Orchard
38%inclusion11 decks29 decks
1%synergy
Overgrown Tomb
36%inclusion5 decks14 decks
-5%synergy
Godless Shrine
36%inclusion5 decks14 decks
-6%synergy
Blood Crypt
31%inclusion4 decks13 decks
-7%synergy
Shivan Reef
29%inclusion5 decks17 decks
0%synergy
Path of Ancestry
28%inclusion8 decks29 decks
5%synergy
Slagwoods Bridge
27%inclusion4 decks15 decks
24%synergy
Karplusan Forest
27%inclusion4 decks15 decks
7%synergy
Razortide Bridge
24%inclusion4 decks17 decks
17%synergy
Adarkar Wastes
24%inclusion4 decks17 decks
0%synergy
Xander's Lounge
23%inclusion3 decks13 decks
-1%synergy
Indatha Triome
23%inclusion3 decks13 decks
-5%synergy
Yavimaya Coast
22%inclusion4 decks18 decks
-5%synergy
Rustvale Bridge
21%inclusion3 decks14 decks
16%synergy
Raugrin Triome
21%inclusion3 decks14 decks
-3%synergy
Raffine's Tower
21%inclusion3 decks14 decks
-3%synergy
Zagoth Triome
21%inclusion3 decks14 decks
-6%synergy
Caves of Koilos
21%inclusion3 decks14 decks
-8%synergy
Polluted Delta
21%inclusion6 decks29 decks
9%synergy
Evolving Wilds
21%inclusion6 decks29 decks
0%synergy
Thornglint Bridge
20%inclusion3 decks15 decks
18%synergy
Spara's Headquarters
20%inclusion3 decks15 decks
-8%synergy
Frontier Bivouac
20%inclusion3 decks15 decks
-9%synergy
Ketria Triome
20%inclusion3 decks15 decks
-11%synergy
Silverbluff Bridge
18%inclusion3 decks17 decks
12%synergy
Underground River
18%inclusion3 decks17 decks
-5%synergy
Spire of Industry
17%inclusion5 decks29 decks
14%synergy
Misty Rainforest
17%inclusion5 decks29 decks
6%synergy
Terramorphic Expanse
17%inclusion5 decks29 decks
2%synergy
Reflecting Pool
14%inclusion4 decks29 decks
9%synergy
City of Brass
14%inclusion4 decks29 decks
6%synergy
Scalding Tarn
14%inclusion4 decks29 decks
3%synergy
Verdant Catacombs
14%inclusion4 decks29 decks
3%synergy
Flooded Strand
14%inclusion4 decks29 decks
2%synergy
Myriad Landscape
14%inclusion4 decks29 decks
-2%synergy
Glimmervoid
10%inclusion3 decks29 decks
10%synergy
The Mycosynth Gardens
10%inclusion3 decks29 decks
9%synergy
Gemstone Caverns
10%inclusion3 decks29 decks
5%synergy
Marsh Flats
10%inclusion3 decks29 decks
0%synergy
Wooded Foothills
10%inclusion3 decks29 decks
0%synergy
Windswept Heath
10%inclusion3 decks29 decks
-1%synergy