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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Toxrill, the Corrosive
0.0%inclusion2 decks7.99K decks
Leonardo da Vinci
0.0%inclusion2 decks4.42K decks
Reaper King
0.0%inclusion2 decks7.36K decks
Chulane, Teller of Tales
0.0%inclusion1 decks8.64K decks
Francisco, Fowl Marauder // Malcolm, Keen-Eyed Navigator
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Shorikai, Genesis Engine
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Jackdaw
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Jared Carthalion
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0.0%inclusion1 decks24.5K decks
Vorosh, the Hunter
0.3%inclusion1 decks384 decks
Atraxa, Grand Unifier
0.0%inclusion1 decks16.2K decks
Aesi, Tyrant of Gyre Strait
0.0%inclusion1 decks14.2K decks
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Morophon, the Boundless
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High Synergy Cards
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46%synergy
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41%inclusion12 decks29 decks
41%synergy
Iron Myr
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34%synergy
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32%synergy
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31%synergy
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Top Cards
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Creatures
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18%synergy
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6%synergy
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Hullbreaker Horror
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Instants
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13%synergy
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Stifle
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-8%synergy
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-2%synergy
Utility Artifacts
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23%synergy
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22%synergy
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17%synergy
Simulacrum Synthesizer
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Realmbreaker, the Invasion Tree
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13%synergy
Spine of Ish Sah
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Genesis Chamber
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Sapphire Medallion
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Urza's Incubator
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-17%synergy
Enchantments
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3%synergy
Echoes of Eternity
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23%synergy
Cryptolith Rite
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20%synergy
Parallel Lives
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17%synergy
Mystic Remora
21%inclusion6 decks29 decks
4%synergy
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19%inclusion3 decks16 decks
11%synergy
Elven Chorus
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15%synergy
Thopter Spy Network
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14%synergy
Phyrexian Arena
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1%synergy
Arcane Adaptation
14%inclusion4 decks29 decks
13%synergy
Pemmin's Aura
14%inclusion4 decks29 decks
13%synergy
Freed from the Real
14%inclusion4 decks29 decks
12%synergy
Training Grounds
14%inclusion4 decks29 decks
11%synergy
Mechanized Production
14%inclusion4 decks29 decks
11%synergy
Leyline of Transformation
13%inclusion3 decks23 decks
12%synergy
Mind Over Matter
10%inclusion3 decks29 decks
10%synergy
Virtue of Knowledge
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9%synergy
Imprisoned in the Moon
10%inclusion3 decks29 decks
7%synergy
Planeswalkers
Tezzeret the Seeker
17%inclusion5 decks29 decks
15%synergy
Ugin, the Ineffable
14%inclusion4 decks29 decks
12%synergy
Tezzeret, Betrayer of Flesh
10%inclusion3 decks29 decks
9%synergy
Narset, Parter of Veils
10%inclusion3 decks29 decks
7%synergy
Utility Lands
Reliquary Tower
34%inclusion10 decks29 decks
4%synergy
Vault of Whispers
33%inclusion6 decks18 decks
29%synergy
Academy Ruins
31%inclusion9 decks29 decks
26%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
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21%synergy
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14%synergy
Boseiju, Who Endures
18%inclusion3 decks17 decks
-1%synergy
Yavimaya, Cradle of Growth
17%inclusion5 decks29 decks
8%synergy
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8%synergy
Tomb of the Spirit Dragon
14%inclusion4 decks29 decks
13%synergy
Temple of the False God
14%inclusion4 decks29 decks
5%synergy
Rogue's Passage
14%inclusion4 decks29 decks
-7%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
Otawara, Soaring City
10%inclusion3 decks29 decks
-6%synergy
Mana Artifacts
Sol Ring
86%inclusion25 decks29 decks
2%synergy
Arcane Signet
62%inclusion18 decks29 decks
-10%synergy
Chromatic Lantern
34%inclusion10 decks29 decks
26%synergy
Mox Opal
31%inclusion9 decks29 decks
27%synergy
Basalt Monolith
28%inclusion8 decks29 decks
25%synergy
Thran Dynamo
24%inclusion7 decks29 decks
19%synergy
Lotus Petal
24%inclusion7 decks29 decks
17%synergy
Thought Vessel
24%inclusion7 decks29 decks
7%synergy
Mox Amber
21%inclusion6 decks29 decks
16%synergy
Chromatic Orrery
14%inclusion4 decks29 decks
12%synergy
Liquimetal Torque
14%inclusion4 decks29 decks
11%synergy
Commander's Sphere
14%inclusion4 decks29 decks
1%synergy
Fellwar Stone
14%inclusion4 decks29 decks
-7%synergy
Crystal Skull, Isu Spyglass
12%inclusion3 decks25 decks
10%synergy
Myr Reservoir
10%inclusion3 decks29 decks
10%synergy
Machine God's Effigy
10%inclusion3 decks29 decks
9%synergy
Relic of Legends
10%inclusion3 decks29 decks
8%synergy
Gilded Lotus
10%inclusion3 decks29 decks
7%synergy
Lands
The World Tree
75%inclusion9 decks12 decks
46%synergy
Command Tower
69%inclusion20 decks29 decks
-5%synergy
Steam Vents
47%inclusion7 decks15 decks
9%synergy
Stomping Ground
46%inclusion6 decks13 decks
5%synergy
Watery Grave
44%inclusion8 decks18 decks
3%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
31%inclusion9 decks29 decks
-5%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
-12%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
Xander's Lounge
25%inclusion3 decks12 decks
1%synergy
Raugrin Triome
25%inclusion3 decks12 decks
1%synergy
Blood Crypt
25%inclusion3 decks12 decks
-12%synergy
Polluted Delta
24%inclusion7 decks29 decks
12%synergy
Path of Ancestry
24%inclusion7 decks29 decks
2%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
Raffine's Tower
21%inclusion3 decks14 decks
-3%synergy
Caves of Koilos
21%inclusion3 decks14 decks
-8%synergy
Misty Rainforest
21%inclusion6 decks29 decks
9%synergy
Silverbluff Bridge
20%inclusion3 decks15 decks
14%synergy
Adarkar Wastes
19%inclusion3 decks16 decks
-4%synergy
Yavimaya Coast
18%inclusion3 decks17 decks
-10%synergy
Spire of Industry
17%inclusion5 decks29 decks
14%synergy
Verdant Catacombs
17%inclusion5 decks29 decks
6%synergy
Flooded Strand
17%inclusion5 decks29 decks
6%synergy
Evolving Wilds
17%inclusion5 decks29 decks
-4%synergy
Underground River
17%inclusion3 decks18 decks
-6%synergy
Gemstone Caverns
14%inclusion4 decks29 decks
9%synergy
City of Brass
14%inclusion4 decks29 decks
6%synergy
Marsh Flats
14%inclusion4 decks29 decks
3%synergy
Scalding Tarn
14%inclusion4 decks29 decks
3%synergy
Windswept Heath
14%inclusion4 decks29 decks
3%synergy
Terramorphic Expanse
14%inclusion4 decks29 decks
-1%synergy
Myriad Landscape
14%inclusion4 decks29 decks
-3%synergy
Glimmervoid
10%inclusion3 decks29 decks
10%synergy
The Mycosynth Gardens
10%inclusion3 decks29 decks
9%synergy
Reflecting Pool
10%inclusion3 decks29 decks
5%synergy
Wooded Foothills
10%inclusion3 decks29 decks
0%synergy