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 all creatures
Urtet, Remnant of Memnarch
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Leonardo da Vinci
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Reaper King
0.0%inclusion2 decks7.20K decks
Chulane, Teller of Tales
0.0%inclusion1 decks8.56K decks
Francisco, Fowl Marauder // Malcolm, Keen-Eyed Navigator
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Jackdaw
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Jared Carthalion
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High Synergy Cards
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53%inclusion16 decks30 decks
51%synergy
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56%inclusion9 decks16 decks
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50%inclusion15 decks30 decks
46%synergy
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44%synergy
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43%inclusion13 decks30 decks
43%synergy
Ancient Den
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42%synergy
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39%inclusion7 decks18 decks
38%synergy
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38%synergy
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Top Cards
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32%synergy
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30%synergy
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28%synergy
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Clock of Omens
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Cloud Key
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Game Changers
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Creatures
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24%synergy
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28%synergy
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23%synergy
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22%synergy
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9%synergy
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20%synergy
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Alloy Myr
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20%synergy
Urza, Chief Artificer
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19%synergy
Ingenious Artillerist
19%inclusion3 decks16 decks
17%synergy
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17%synergy
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18%inclusion3 decks17 decks
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13%synergy
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18%synergy
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Sorceries
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March of Progress
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Reshape
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Windfall
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Utility Artifacts
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Spine of Ish Sah
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The Key to the Vault
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11%synergy
Semblance Anvil
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Mindcrank
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Sapphire Medallion
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Urza's Incubator
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Swiftfoot Boots
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-17%synergy
Enchantments
Cryptolith Rite
28%inclusion5 decks18 decks
24%synergy
Doubling Season
28%inclusion5 decks18 decks
18%synergy
Echoes of Eternity
25%inclusion6 decks24 decks
24%synergy
Elven Chorus
22%inclusion4 decks18 decks
19%synergy
Parallel Lives
22%inclusion4 decks18 decks
16%synergy
Mystic Remora
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4%synergy
Anointed Procession
18%inclusion3 decks17 decks
10%synergy
Pemmin's Aura
17%inclusion5 decks30 decks
15%synergy
Thopter Spy Network
17%inclusion5 decks30 decks
13%synergy
Phyrexian Arena
16%inclusion3 decks19 decks
0%synergy
Leyline of Transformation
14%inclusion3 decks22 decks
13%synergy
Freed from the Real
13%inclusion4 decks30 decks
11%synergy
Training Grounds
13%inclusion4 decks30 decks
10%synergy
Mechanized Production
13%inclusion4 decks30 decks
10%synergy
Mind Over Matter
10%inclusion3 decks30 decks
10%synergy
Arcane Adaptation
10%inclusion3 decks30 decks
9%synergy
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8%synergy
Virtue of Knowledge
10%inclusion3 decks30 decks
8%synergy
Imprisoned in the Moon
10%inclusion3 decks30 decks
6%synergy
Planeswalkers
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17%inclusion5 decks30 decks
14%synergy
Ugin, the Ineffable
13%inclusion4 decks30 decks
12%synergy
Tezzeret, Betrayer of Flesh
10%inclusion3 decks30 decks
9%synergy
Narset, Parter of Veils
10%inclusion3 decks30 decks
6%synergy
Utility Lands
Seat of the Synod
43%inclusion13 decks30 decks
37%synergy
Reliquary Tower
37%inclusion11 decks30 decks
7%synergy
Tree of Tales
33%inclusion6 decks18 decks
31%synergy
Academy Ruins
33%inclusion10 decks30 decks
28%synergy
Darksteel Citadel
30%inclusion9 decks30 decks
26%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
Inventors' Fair
27%inclusion8 decks30 decks
23%synergy
Buried Ruin
27%inclusion8 decks30 decks
22%synergy
Urza's Saga
20%inclusion6 decks30 decks
13%synergy
Tomb of the Spirit Dragon
17%inclusion5 decks30 decks
16%synergy
Yavimaya, Cradle of Growth
17%inclusion5 decks30 decks
8%synergy
Temple of the False God
17%inclusion5 decks30 decks
7%synergy
Ancient Tomb
17%inclusion5 decks30 decks
7%synergy
Boseiju, Who Endures
17%inclusion3 decks18 decks
-2%synergy
Rogue's Passage
13%inclusion4 decks30 decks
-7%synergy
Urza's Workshop
10%inclusion3 decks30 decks
9%synergy
Cascading Cataracts
10%inclusion3 decks30 decks
9%synergy
Shrine of the Forsaken Gods
10%inclusion3 decks30 decks
9%synergy
Treasure Vault
10%inclusion3 decks30 decks
7%synergy
Rivendell
10%inclusion3 decks30 decks
7%synergy
Minamo, School at Water's Edge
10%inclusion3 decks30 decks
5%synergy
Otawara, Soaring City
10%inclusion3 decks30 decks
-6%synergy
Mana Artifacts
Sol Ring
83%inclusion25 decks30 decks
0%synergy
Arcane Signet
60%inclusion18 decks30 decks
-12%synergy
Chromatic Lantern
37%inclusion11 decks30 decks
28%synergy
Mox Opal
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26%synergy
Basalt Monolith
27%inclusion8 decks30 decks
24%synergy
Thran Dynamo
23%inclusion7 decks30 decks
19%synergy
Lotus Petal
23%inclusion7 decks30 decks
16%synergy
Thought Vessel
23%inclusion7 decks30 decks
6%synergy
Mox Amber
20%inclusion6 decks30 decks
15%synergy
Fellwar Stone
17%inclusion5 decks30 decks
-4%synergy
Myr Reservoir
13%inclusion4 decks30 decks
13%synergy
Machine God's Effigy
13%inclusion4 decks30 decks
12%synergy
Chromatic Orrery
13%inclusion4 decks30 decks
12%synergy
Liquimetal Torque
13%inclusion4 decks30 decks
11%synergy
Commander's Sphere
13%inclusion4 decks30 decks
1%synergy
Crystal Skull, Isu Spyglass
13%inclusion3 decks24 decks
11%synergy
Relic of Legends
10%inclusion3 decks30 decks
8%synergy
Gilded Lotus
10%inclusion3 decks30 decks
7%synergy
Lands
The World Tree
77%inclusion10 decks13 decks
48%synergy
Command Tower
70%inclusion21 decks30 decks
-4%synergy
Steam Vents
44%inclusion7 decks16 decks
6%synergy
Stomping Ground
43%inclusion6 decks14 decks
2%synergy
Watery Grave
42%inclusion8 decks19 decks
1%synergy
Hallowed Fountain
41%inclusion7 decks17 decks
2%synergy
Temple Garden
40%inclusion6 decks15 decks
1%synergy
Breeding Pool
39%inclusion7 decks18 decks
-2%synergy
Sacred Foundry
38%inclusion5 decks13 decks
2%synergy
Slagwoods Bridge
36%inclusion5 decks14 decks
33%synergy
Zagoth Triome
33%inclusion5 decks15 decks
5%synergy
Exotic Orchard
33%inclusion10 decks30 decks
-3%synergy
Rustvale Bridge
31%inclusion4 decks13 decks
25%synergy
Xander's Lounge
31%inclusion4 decks13 decks
6%synergy
Raugrin Triome
31%inclusion4 decks13 decks
6%synergy
Path of Ancestry
30%inclusion9 decks30 decks
8%synergy
Razortide Bridge
29%inclusion5 decks17 decks
23%synergy
Indatha Triome
29%inclusion4 decks14 decks
1%synergy
Ketria Triome
29%inclusion4 decks14 decks
-2%synergy
Thornglint Bridge
27%inclusion4 decks15 decks
25%synergy
Raffine's Tower
27%inclusion4 decks15 decks
2%synergy
Spara's Headquarters
27%inclusion4 decks15 decks
-2%synergy
Overgrown Tomb
27%inclusion4 decks15 decks
-14%synergy
Godless Shrine
27%inclusion4 decks15 decks
-14%synergy
Silverbluff Bridge
25%inclusion4 decks16 decks
19%synergy
Shivan Reef
25%inclusion4 decks16 decks
-4%synergy
Polluted Delta
23%inclusion7 decks30 decks
11%synergy
Drossforge Bridge
23%inclusion3 decks13 decks
20%synergy
Savai Triome
23%inclusion3 decks13 decks
-2%synergy
Blood Crypt
23%inclusion3 decks13 decks
-14%synergy
Karplusan Forest
21%inclusion3 decks14 decks
2%synergy
Spire of Industry
20%inclusion6 decks30 decks
17%synergy
Darkmoss Bridge
20%inclusion3 decks15 decks
17%synergy
Goldmire Bridge
20%inclusion3 decks15 decks
16%synergy
Misty Rainforest
20%inclusion6 decks30 decks
8%synergy
Caves of Koilos
20%inclusion3 decks15 decks
-9%synergy
Adarkar Wastes
18%inclusion3 decks17 decks
-5%synergy
Tanglepool Bridge
17%inclusion3 decks18 decks
14%synergy
Verdant Catacombs
17%inclusion5 decks30 decks
6%synergy
Flooded Strand
17%inclusion5 decks30 decks
5%synergy
Evolving Wilds
17%inclusion5 decks30 decks
-4%synergy
Yavimaya Coast
17%inclusion3 decks18 decks
-11%synergy
Mistvault Bridge
16%inclusion3 decks19 decks
12%synergy
Underground River
16%inclusion3 decks19 decks
-7%synergy
Glimmervoid
13%inclusion4 decks30 decks
13%synergy
Power Depot
13%inclusion4 decks30 decks
13%synergy
Gemstone Caverns
13%inclusion4 decks30 decks
8%synergy
City of Brass
13%inclusion4 decks30 decks
6%synergy
Marsh Flats
13%inclusion4 decks30 decks
3%synergy
Scalding Tarn
13%inclusion4 decks30 decks
2%synergy