Satoru Umezawa
Intruder Alarm

   Prerequisites

What do I need to start this combo?
Satoru Umezawa and Intruder Alarm on the battlefield.
You control another creature that can attack this turn and that cannot be blocked by an opponent. You have a creature card in hand.
Creatures you control can tap to produce at least 2.

   Steps

How does this combo work?
1
Declare any other creature as an attacker.
2
When that creature isn't blocked, activate any number of creatures you control by tapping them, adding at least 2.
3
Activate a creature card's ninjutsu ability by paying 2 and returning the unblocked attacker to your hand, putting the creature card from your hand onto the battlefield tapped and attacking.
4
When the creature enters the battlefield, Intruder Alarm triggers, untapping all creatures.
5
Repeat from step 2.

   Results

What do I get from this combo?
Infinite LTB
Infinite ETB
Infinite mana creatures you control can produce
Infinite untap of creatures
Infinite untap of creatures you control
Splinter, Radical Rat
0.1%inclusion3 decks3.72K decks
Heroes in a Half Shell
0.1%inclusion2 decks2.72K decks
Top Commanders
Satoru Umezawa
0.4%inclusion50 decks13.5K decks
Yuriko, the Tiger's Shadow
0.1%inclusion18 decks30.7K decks
Goro-Goro and Satoru
0.1%inclusion5 decks8.38K decks
Sisay, Weatherlight Captain
0.0%inclusion3 decks17.1K decks
Satoru, the Infiltrator
0.1%inclusion3 decks2.33K decks
Jin Sakai, Ghost of Tsushima
0.0%inclusion2 decks12K decks
Taeko, the Patient Avalanche
0.1%inclusion1 decks862 decks
Breya, Etherium Shaper
0.0%inclusion1 decks20.6K decks
Cazur, Ruthless Stalker // Ukkima, Stalking Shadow
0.0%inclusion1 decks4.67K decks
Kefka, Court Mage
0.0%inclusion1 decks23.9K decks
Vela the Night-Clad
0.1%inclusion1 decks808 decks
Phenax, God of Deception
0.0%inclusion1 decks8.51K decks
Alora, Merry Thief // Agent of the Iron Throne
17%inclusion1 decks6 decks
Jodah, the Unifier
0.0%inclusion1 decks29.5K decks
Rona, Herald of Invasion
0.0%inclusion1 decks2.56K decks
Obeka, Brute Chronologist
0.0%inclusion1 decks7.89K decks
New Cards
Dark Leo & Shredder
100%inclusion4 decks4 decks
98%synergy
Mikey & Don, Party Planners
100%inclusion1 decks1 decks
99%synergy
Mikey & Leo, Chaos & Order
100%inclusion1 decks1 decks
98%synergy
New Generation's Technique
100%inclusion1 decks1 decks
99%synergy
Raphael, Tough Turtle
100%inclusion1 decks1 decks
99%synergy
High Synergy Cards
Silver-Fur Master
74%inclusion77 decks104 decks
72%synergy
Thousand-Faced Shadow
62%inclusion64 decks104 decks
60%synergy
Chulane, Teller of Tales
57%inclusion4 decks7 decks
52%synergy
Fallen Shinobi
54%inclusion56 decks104 decks
50%synergy
Prosperous Thief
51%inclusion53 decks104 decks
50%synergy
Changeling Outcast
53%inclusion55 decks104 decks
49%synergy
Silent-Blade Oni
47%inclusion49 decks104 decks
45%synergy
Kaito Shizuki
45%inclusion47 decks104 decks
44%synergy
Slither Blade
45%inclusion47 decks104 decks
43%synergy
Spring-Leaf Avenger
40%inclusion4 decks10 decks
40%synergy
Top Cards
Counterspell
56%inclusion58 decks104 decks
14%synergy
Path to Exile
50%inclusion8 decks16 decks
3%synergy
Baleful Strix
41%inclusion43 decks104 decks
28%synergy
Ornithopter
40%inclusion42 decks104 decks
39%synergy
Satoru, the Infiltrator
38%inclusion40 decks104 decks
36%synergy
Moon-Circuit Hacker
38%inclusion39 decks104 decks
37%synergy
Nashi, Moon Sage's Scion
38%inclusion39 decks104 decks
36%synergy
Dovin's Veto
38%inclusion6 decks16 decks
19%synergy
Negate
38%inclusion39 decks104 decks
17%synergy
Anguished Unmaking
38%inclusion6 decks16 decks
13%synergy
Game Changers
Smothering Tithe
50%inclusion8 decks16 decks
29%synergy
Teferi's Protection
31%inclusion5 decks16 decks
15%synergy
Farewell
25%inclusion4 decks16 decks
13%synergy
Rhystic Study
25%inclusion26 decks104 decks
2%synergy
Cyclonic Rift
23%inclusion24 decks104 decks
2%synergy
Fierce Guardianship
19%inclusion20 decks104 decks
2%synergy
Consecrated Sphinx
7.7%inclusion8 decks104 decks
3%synergy
Opposition Agent
7.7%inclusion8 decks104 decks
3%synergy
Mana Vault
6.7%inclusion7 decks104 decks
1%synergy
Thassa's Oracle
6.7%inclusion7 decks104 decks
1%synergy
Creatures
Karai, Future of the Foot
75%inclusion3 decks4 decks
73%synergy
Prehistoric Pet
50%inclusion2 decks4 decks
50%synergy
Jodah, the Unifier
43%inclusion3 decks7 decks
39%synergy
Atraxa, Grand Unifier
43%inclusion3 decks7 decks
39%synergy
Etali, Primal Conqueror
43%inclusion3 decks7 decks
35%synergy
Yuffie, Materia Hunter
38%inclusion3 decks8 decks
37%synergy
Triton Shorestalker
37%inclusion38 decks104 decks
35%synergy
Mistblade Shinobi
36%inclusion37 decks104 decks
35%synergy
Ink-Eyes, Servant of Oni
36%inclusion37 decks104 decks
34%synergy
Ingenious Infiltrator
36%inclusion37 decks104 decks
33%synergy
Tetsuko Umezawa, Fugitive
35%inclusion36 decks104 decks
33%synergy
Michelangelo, On the Scene
33%inclusion1 decks3 decks
33%synergy
Michelangelo, the Heart
33%inclusion1 decks3 decks
33%synergy
Leonardo, the Balance
33%inclusion1 decks3 decks
32%synergy
Yuriko, the Tiger's Shadow
33%inclusion34 decks104 decks
31%synergy
Medomai the Ageless
31%inclusion5 decks16 decks
30%synergy
Kappa Tech-Wrecker
30%inclusion3 decks10 decks
30%synergy
Ghalta, Stampede Tyrant
30%inclusion3 decks10 decks
27%synergy
Birds of Paradise
30%inclusion3 decks10 decks
2%synergy
Tormented Soul
28%inclusion29 decks104 decks
27%synergy
Blightsteel Colossus
28%inclusion29 decks104 decks
26%synergy
Throat Slitter
27%inclusion28 decks104 decks
26%synergy
Invisible Stalker
27%inclusion28 decks104 decks
26%synergy
Peregrine Drake
27%inclusion28 decks104 decks
24%synergy
Phoenix Chick
27%inclusion4 decks15 decks
26%synergy
Elturel Survivors
27%inclusion4 decks15 decks
26%synergy
Goro-Goro, Disciple of Ryusei
27%inclusion4 decks15 decks
26%synergy
Ilharg, the Raze-Boar
27%inclusion4 decks15 decks
25%synergy
Ninja of the Deep Hours
26%inclusion27 decks104 decks
25%synergy
Mist-Cloaked Herald
26%inclusion27 decks104 decks
25%synergy
Splinter, Aging Champion
25%inclusion1 decks4 decks
25%synergy
Foot Elite
25%inclusion1 decks4 decks
24%synergy
Leonardo, Cutting Edge
25%inclusion1 decks4 decks
24%synergy
Turncoat Kunoichi
25%inclusion1 decks4 decks
24%synergy
Lita, Little Orphan Amphibian
25%inclusion1 decks4 decks
24%synergy
Splinter, Radical Rat
25%inclusion1 decks4 decks
23%synergy
Dokuchi Silencer
24%inclusion25 decks104 decks
24%synergy
Higure, the Still Wind
24%inclusion25 decks104 decks
23%synergy
Gingerbrute
24%inclusion25 decks104 decks
23%synergy
Biting-Palm Ninja
22%inclusion23 decks104 decks
22%synergy
Hullbreaker Horror
22%inclusion23 decks104 decks
14%synergy
Moonsnare Specialist
20%inclusion21 decks104 decks
20%synergy
Sakashima's Student
20%inclusion21 decks104 decks
19%synergy
Grazilaxx, Illithid Scholar
20%inclusion21 decks104 decks
18%synergy
Genasi Enforcers
20%inclusion3 decks15 decks
20%synergy
Raphael, Tag Team Tough
20%inclusion1 decks5 decks
20%synergy
Tiamat's Fanatics
20%inclusion3 decks15 decks
20%synergy
Reinforced Ronin
20%inclusion3 decks15 decks
19%synergy
Raphael, the Muscle
20%inclusion1 decks5 decks
19%synergy
Coercive Recruiter
20%inclusion3 decks15 decks
19%synergy
Instants
Swords to Plowshares
38%inclusion6 decks16 decks
-23%synergy
An Offer You Can't Refuse
34%inclusion35 decks104 decks
9%synergy
Dark Ritual
30%inclusion31 decks104 decks
5%synergy
Terminate
27%inclusion4 decks15 decks
8%synergy
Chaos Warp
27%inclusion4 decks15 decks
-3%synergy
Brainstorm
26%inclusion27 decks104 decks
8%synergy
The Last Ronin's Technique
25%inclusion1 decks4 decks
24%synergy
Despark
25%inclusion4 decks16 decks
12%synergy
Void Rend
25%inclusion4 decks16 decks
10%synergy
Arcane Denial
24%inclusion25 decks104 decks
4%synergy
Deadly Rollick
17%inclusion18 decks104 decks
3%synergy
Infernal Grasp
14%inclusion15 decks104 decks
7%synergy
Mana Drain
14%inclusion15 decks104 decks
0%synergy
Turtles Forever
13%inclusion1 decks8 decks
12%synergy
Go for the Throat
12%inclusion12 decks104 decks
5%synergy
Pongify
12%inclusion12 decks104 decks
0%synergy
Swan Song
12%inclusion12 decks104 decks
-6%synergy
Mystical Tutor
11%inclusion11 decks104 decks
-1%synergy
Vampiric Tutor
11%inclusion11 decks104 decks
-4%synergy
Rapid Hybridization
10%inclusion10 decks104 decks
0%synergy
Frantic Search
10%inclusion10 decks104 decks
-5%synergy
Murder
8.7%inclusion9 decks104 decks
5%synergy
Aetherize
8.7%inclusion9 decks104 decks
2%synergy
Malakir Rebirth
8.7%inclusion9 decks104 decks
0%synergy
Opt
8.7%inclusion9 decks104 decks
-1%synergy
Spell Pierce
7.7%inclusion8 decks104 decks
5%synergy
Force of Will
7.7%inclusion8 decks104 decks
-2%synergy
Flare of Denial
6.8%inclusion7 decks103 decks
5%synergy
Sink into Stupor
6.8%inclusion7 decks103 decks
-3%synergy
Mana Leak
6.7%inclusion7 decks104 decks
5%synergy
Dismember
6.7%inclusion7 decks104 decks
4%synergy
Dramatic Reversal
6.7%inclusion7 decks104 decks
2%synergy
Drown in the Loch
6.7%inclusion7 decks104 decks
2%synergy
Snap
6.7%inclusion7 decks104 decks
-1%synergy
Fell the Profane
5.8%inclusion6 decks103 decks
-3%synergy
Tale's End
5.8%inclusion6 decks104 decks
5%synergy
Commandeer
5.8%inclusion6 decks104 decks
4%synergy
Lim-Dûl's Vault
5.8%inclusion6 decks104 decks
3%synergy
Snuff Out
5.8%inclusion6 decks104 decks
2%synergy
Ghostly Flicker
5.8%inclusion6 decks104 decks
1%synergy
Spider-Sense
5.5%inclusion3 decks55 decks
4%synergy
Sorceries
Blasphemous Act
33%inclusion5 decks15 decks
0%synergy
Three Visits
30%inclusion3 decks10 decks
6%synergy
Kodama's Reach
30%inclusion3 decks10 decks
3%synergy
Nature's Lore
30%inclusion3 decks10 decks
-1%synergy
Rampant Growth
30%inclusion3 decks10 decks
-3%synergy
Cultivate
30%inclusion3 decks10 decks
-12%synergy
Leonardo's Technique
25%inclusion1 decks4 decks
25%synergy
Feed the Swarm
20%inclusion21 decks104 decks
4%synergy
Donatello's Technique
20%inclusion3 decks15 decks
19%synergy
Demonic Tutor
19%inclusion20 decks104 decks
0%synergy
Toxic Deluge
16%inclusion17 decks104 decks
-2%synergy
Ponder
15%inclusion16 decks104 decks
4%synergy
Reanimate
14%inclusion15 decks104 decks
-5%synergy
Enter the Enigma
14%inclusion13 decks91 decks
12%synergy
Damnation
10%inclusion10 decks104 decks
3%synergy
Preordain
10%inclusion10 decks104 decks
1%synergy
Splinter's Technique
10%inclusion2 decks21 decks
8%synergy
Victimize
7.7%inclusion8 decks104 decks
-5%synergy
Ringsight
6.7%inclusion7 decks104 decks
4%synergy
Diabolic Tutor
6.7%inclusion7 decks104 decks
1%synergy
Shredder's Technique
5.9%inclusion1 decks17 decks
5%synergy
Scheming Symmetry
5.8%inclusion6 decks104 decks
4%synergy
Raise the Palisade
5.8%inclusion6 decks104 decks
3%synergy
Utility Artifacts
Lightning Greaves
37%inclusion38 decks104 decks
12%synergy
Swiftfoot Boots
37%inclusion38 decks104 decks
10%synergy
Bident of Thassa
31%inclusion32 decks104 decks
25%synergy
Hammer of Purphoros
27%inclusion4 decks15 decks
26%synergy
Whispersilk Cloak
19%inclusion20 decks104 decks
16%synergy
Sensei's Divining Top
15%inclusion16 decks104 decks
11%synergy
Maskwood Nexus
7.7%inclusion8 decks104 decks
5%synergy
Blade of Selves
6.7%inclusion7 decks104 decks
5%synergy
Sapphire Medallion
6.7%inclusion7 decks104 decks
4%synergy
Jet Medallion
6.7%inclusion7 decks104 decks
3%synergy
Bolas's Citadel
6.7%inclusion7 decks104 decks
-1%synergy
Brotherhood Regalia
6.3%inclusion6 decks96 decks
4%synergy
Wayfarer's Bauble
5.8%inclusion6 decks104 decks
-1%synergy
Smoke Bomb
5.2%inclusion5 decks96 decks
5%synergy
Assassin Gauntlet
5.2%inclusion5 decks96 decks
5%synergy
Enchantments
Endless Foot Assault
50%inclusion2 decks4 decks
48%synergy
Ghostly Prison
31%inclusion5 decks16 decks
20%synergy
Daring Piracy
27%inclusion4 decks15 decks
26%synergy
Leader's Talent
25%inclusion1 decks4 decks
24%synergy
Reconnaissance
25%inclusion4 decks16 decks
22%synergy
Smoke Shroud
21%inclusion22 decks104 decks
21%synergy
Propaganda
20%inclusion21 decks104 decks
6%synergy
Warstorm Surge
20%inclusion3 decks15 decks
16%synergy
Impact Tremors
20%inclusion3 decks15 decks
10%synergy
Cunning Evasion
19%inclusion20 decks104 decks
19%synergy
Reconnaissance Mission
19%inclusion20 decks104 decks
16%synergy
Aqueous Form
16%inclusion17 decks104 decks
12%synergy
Rogue Class
15%inclusion16 decks104 decks
14%synergy
Mystic Remora
12%inclusion12 decks104 decks
-4%synergy
Coastal Piracy
10%inclusion10 decks104 decks
7%synergy
Kindred Discovery
10%inclusion10 decks104 decks
3%synergy
Phyrexian Arena
10%inclusion10 decks104 decks
-6%synergy
Ninja Teen
10%inclusion2 decks21 decks
9%synergy
Rooftop Bypass
9.4%inclusion9 decks96 decks
8%synergy
Waterbender Ascension
8.8%inclusion3 decks34 decks
7%synergy
Cover of Darkness
8.7%inclusion9 decks104 decks
7%synergy
Gossip's Talent
7.4%inclusion7 decks95 decks
7%synergy
Imprisoned in the Moon
5.8%inclusion6 decks104 decks
2%synergy
Black Market Connections
5.8%inclusion6 decks104 decks
-6%synergy
Impostor Syndrome
5.4%inclusion3 decks56 decks
4%synergy
Planeswalkers
Kaito, Dancing Shadow
32%inclusion33 decks104 decks
31%synergy
Kaito, Cunning Infiltrator
28%inclusion25 decks88 decks
28%synergy
Kaito, Bane of Nightmares
26%inclusion24 decks91 decks
25%synergy
Ashiok, Dream Render
6.7%inclusion7 decks104 decks
4%synergy
Utility Lands
Rogue's Passage
53%inclusion55 decks104 decks
33%synergy
Reliquary Tower
49%inclusion51 decks104 decks
19%synergy
Boseiju, Who Endures
30%inclusion3 decks10 decks
11%synergy
Access Tunnel
23%inclusion24 decks104 decks
21%synergy
Bojuka Bog
23%inclusion24 decks104 decks
-7%synergy
Creeping Tar Pit
18%inclusion19 decks104 decks
16%synergy
Otawara, Soaring City
11%inclusion11 decks104 decks
-6%synergy
Secret Tunnel
8.6%inclusion3 decks35 decks
6%synergy
Takenuma, Abandoned Mire
7.7%inclusion8 decks104 decks
-1%synergy
Urborg, Tomb of Yawgmoth
6.7%inclusion7 decks104 decks
-2%synergy
Halimar Depths
5.8%inclusion6 decks104 decks
3%synergy
Mystic Sanctuary
5.8%inclusion6 decks104 decks
-5%synergy
Three Tree City
5.3%inclusion5 decks95 decks
0%synergy
Mana Artifacts
Sol Ring
91%inclusion95 decks104 decks
8%synergy
Arcane Signet
88%inclusion92 decks104 decks
16%synergy
Dimir Signet
46%inclusion48 decks104 decks
22%synergy
Thought Vessel
43%inclusion45 decks104 decks
26%synergy
Talisman of Dominance
38%inclusion40 decks104 decks
6%synergy
Izzet Signet
33%inclusion5 decks15 decks
10%synergy
Rakdos Signet
33%inclusion5 decks15 decks
9%synergy
Talisman of Creativity
27%inclusion4 decks15 decks
-1%synergy
Commander's Sphere
24%inclusion25 decks104 decks
13%synergy
Fellwar Stone
23%inclusion24 decks104 decks
3%synergy
Mind Stone
13%inclusion13 decks104 decks
-2%synergy
Lotus Petal
8.7%inclusion9 decks104 decks
2%synergy
Dimir Keyrune
7.7%inclusion8 decks104 decks
7%synergy
Patchwork Banner
7.4%inclusion7 decks95 decks
3%synergy
Decanter of Endless Water
6.7%inclusion7 decks104 decks
3%synergy
Chromatic Lantern
6.7%inclusion7 decks104 decks
-2%synergy
Relic of Legends
5.8%inclusion6 decks104 decks
3%synergy
Bender's Waterskin
5.1%inclusion3 decks59 decks
2%synergy
Lands
Command Tower
81%inclusion84 decks104 decks
7%synergy
Spara's Headquarters
71%inclusion5 decks7 decks
45%synergy
Indatha Triome
57%inclusion4 decks7 decks
30%synergy
Jetmir's Garden
57%inclusion4 decks7 decks
29%synergy
Ketria Triome
57%inclusion4 decks7 decks
27%synergy
Temple Garden
57%inclusion4 decks7 decks
18%synergy
Stomping Ground
57%inclusion4 decks7 decks
16%synergy
Sunken Hollow
53%inclusion55 decks104 decks
19%synergy
Arcane Sanctum
44%inclusion7 decks16 decks
17%synergy
Ziatora's Proving Ground
43%inclusion3 decks7 decks
17%synergy
Drowned Catacomb
42%inclusion44 decks104 decks
13%synergy
Zagoth Triome
40%inclusion4 decks10 decks
13%synergy
Crumbling Necropolis
40%inclusion6 decks15 decks
13%synergy
Smoldering Marsh
40%inclusion6 decks15 decks
6%synergy
Sulfur Falls
40%inclusion6 decks15 decks
5%synergy
Overgrown Tomb
40%inclusion4 decks10 decks
-1%synergy
Breeding Pool
40%inclusion4 decks10 decks
-2%synergy
Darkwater Catacombs
38%inclusion39 decks104 decks
23%synergy
Savai Triome
38%inclusion3 decks8 decks
14%synergy
Raugrin Triome
38%inclusion3 decks8 decks
14%synergy
Raffine's Tower
38%inclusion6 decks16 decks
14%synergy
Exotic Orchard
36%inclusion37 decks104 decks
-1%synergy
Choked Estuary
35%inclusion36 decks104 decks
20%synergy
Underground River
35%inclusion36 decks104 decks
12%synergy
Watery Grave
35%inclusion36 decks104 decks
-7%synergy
Foreboding Ruins
33%inclusion5 decks15 decks
18%synergy
Xander's Lounge
33%inclusion5 decks15 decks
10%synergy
Blood Crypt
33%inclusion5 decks15 decks
-5%synergy
Prairie Stream
31%inclusion5 decks16 decks
-2%synergy
Godless Shrine
31%inclusion5 decks16 decks
-10%synergy
Dimir Aqueduct
31%inclusion32 decks104 decks
17%synergy
Shipwreck Marsh
31%inclusion32 decks104 decks
13%synergy
Rejuvenating Springs
30%inclusion3 decks10 decks
4%synergy
Tainted Isle
29%inclusion30 decks104 decks
18%synergy
Evolving Wilds
27%inclusion28 decks104 decks
6%synergy
Frostboil Snarl
27%inclusion4 decks15 decks
13%synergy
Shivan Reef
27%inclusion4 decks15 decks
-3%synergy
Steam Vents
27%inclusion4 decks15 decks
-12%synergy
Polluted Delta
25%inclusion26 decks104 decks
13%synergy
Shattered Sanctum
25%inclusion4 decks16 decks
10%synergy
Adarkar Wastes
25%inclusion4 decks16 decks
1%synergy
Glacial Fortress
25%inclusion4 decks16 decks
-8%synergy
Isolated Chapel
25%inclusion4 decks16 decks
-9%synergy
Hallowed Fountain
25%inclusion4 decks16 decks
-15%synergy
Path of Ancestry
22%inclusion23 decks104 decks
0%synergy
Temple of Deceit
21%inclusion22 decks104 decks
7%synergy
Blackcleave Cliffs
20%inclusion3 decks15 decks
14%synergy
Temple of Malice
20%inclusion3 decks15 decks
7%synergy
Stormcarved Coast
20%inclusion3 decks15 decks
1%synergy
Sulfurous Springs
20%inclusion3 decks15 decks
-4%synergy