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 decks3.23K decks
Top Commanders
Satoru Umezawa
0.4%inclusion48 decks13.4K decks
Yuriko, the Tiger's Shadow
0.1%inclusion19 decks30.5K decks
Goro-Goro and Satoru
0.1%inclusion6 decks8.36K decks
Sisay, Weatherlight Captain
0.0%inclusion3 decks16.9K decks
Satoru, the Infiltrator
0.1%inclusion3 decks2.48K decks
Jin Sakai, Ghost of Tsushima
0.0%inclusion2 decks11.3K decks
Taeko, the Patient Avalanche
0.1%inclusion1 decks856 decks
Breya, Etherium Shaper
0.0%inclusion1 decks20.3K decks
Cazur, Ruthless Stalker // Ukkima, Stalking Shadow
0.0%inclusion1 decks4.66K decks
Kefka, Court Mage
0.0%inclusion1 decks22.8K decks
Vela the Night-Clad
0.1%inclusion1 decks793 decks
Phenax, God of Deception
0.0%inclusion1 decks8.40K decks
Alora, Merry Thief // Agent of the Iron Throne
17%inclusion1 decks6 decks
Jodah, the Unifier
0.0%inclusion1 decks29.1K decks
Rona, Herald of Invasion
0.0%inclusion1 decks2.54K decks
Obeka, Brute Chronologist
0.0%inclusion1 decks7.87K decks
Sefris of the Hidden Ways
0.0%inclusion1 decks11.3K decks
New Cards
Dark Leo & Shredder
100%inclusion3 decks3 decks
98%synergy
Karai, Future of the Foot
67%inclusion2 decks3 decks
65%synergy
Prehistoric Pet
67%inclusion2 decks3 decks
66%synergy
Leonardo, the Balance
50%inclusion1 decks2 decks
49%synergy
Michelangelo, On the Scene
50%inclusion1 decks2 decks
50%synergy
High Synergy Cards
Silver-Fur Master
74%inclusion76 decks103 decks
71%synergy
Chulane, Teller of Tales
67%inclusion4 decks6 decks
62%synergy
Thousand-Faced Shadow
60%inclusion62 decks103 decks
59%synergy
Fallen Shinobi
54%inclusion56 decks103 decks
51%synergy
Changeling Outcast
52%inclusion54 decks103 decks
48%synergy
Prosperous Thief
50%inclusion51 decks103 decks
48%synergy
Silent-Blade Oni
48%inclusion49 decks103 decks
45%synergy
Spring-Leaf Avenger
44%inclusion4 decks9 decks
44%synergy
Kaito Shizuki
45%inclusion46 decks103 decks
44%synergy
Slither Blade
44%inclusion45 decks103 decks
42%synergy
Top Cards
Counterspell
57%inclusion59 decks103 decks
16%synergy
Path to Exile
53%inclusion8 decks15 decks
6%synergy
Baleful Strix
42%inclusion43 decks103 decks
29%synergy
Dovin's Veto
40%inclusion6 decks15 decks
22%synergy
Anguished Unmaking
40%inclusion6 decks15 decks
16%synergy
Blasphemous Act
40%inclusion6 decks15 decks
7%synergy
Ornithopter
40%inclusion41 decks103 decks
38%synergy
Negate
40%inclusion41 decks103 decks
19%synergy
Satoru, the Infiltrator
38%inclusion39 decks103 decks
36%synergy
Moon-Circuit Hacker
37%inclusion38 decks103 decks
36%synergy
Game Changers
Smothering Tithe
47%inclusion7 decks15 decks
26%synergy
Teferi's Protection
27%inclusion4 decks15 decks
10%synergy
Rhystic Study
25%inclusion26 decks103 decks
2%synergy
Cyclonic Rift
23%inclusion24 decks103 decks
2%synergy
Farewell
20%inclusion3 decks15 decks
8%synergy
Fierce Guardianship
19%inclusion20 decks103 decks
2%synergy
Consecrated Sphinx
7.8%inclusion8 decks103 decks
4%synergy
Opposition Agent
7.8%inclusion8 decks103 decks
3%synergy
Thassa's Oracle
6.8%inclusion7 decks103 decks
1%synergy
Notion Thief
5.8%inclusion6 decks103 decks
0%synergy
Creatures
Michelangelo, the Heart
50%inclusion1 decks2 decks
50%synergy
Jodah, the Unifier
50%inclusion3 decks6 decks
46%synergy
Atraxa, Grand Unifier
50%inclusion3 decks6 decks
46%synergy
Etali, Primal Conqueror
50%inclusion3 decks6 decks
42%synergy
Nashi, Moon Sage's Scion
37%inclusion38 decks103 decks
35%synergy
Ingenious Infiltrator
37%inclusion38 decks103 decks
35%synergy
Mistblade Shinobi
36%inclusion37 decks103 decks
35%synergy
Ink-Eyes, Servant of Oni
35%inclusion36 decks103 decks
34%synergy
Triton Shorestalker
35%inclusion36 decks103 decks
33%synergy
Tetsuko Umezawa, Fugitive
34%inclusion35 decks103 decks
32%synergy
Splinter, Aging Champion
33%inclusion1 decks3 decks
33%synergy
Phoenix Chick
33%inclusion5 decks15 decks
33%synergy
Foot Elite
33%inclusion1 decks3 decks
33%synergy
Leonardo, Cutting Edge
33%inclusion1 decks3 decks
33%synergy
Medomai the Ageless
33%inclusion5 decks15 decks
32%synergy
Turncoat Kunoichi
33%inclusion1 decks3 decks
32%synergy
Lita, Little Orphan Amphibian
33%inclusion1 decks3 decks
32%synergy
Ghalta, Stampede Tyrant
33%inclusion3 decks9 decks
30%synergy
Yuriko, the Tiger's Shadow
31%inclusion32 decks103 decks
30%synergy
Blightsteel Colossus
28%inclusion29 decks103 decks
27%synergy
Tormented Soul
27%inclusion28 decks103 decks
26%synergy
Invisible Stalker
27%inclusion28 decks103 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
Krenko, Mob Boss
27%inclusion4 decks15 decks
25%synergy
Lagomos, Hand of Hatred
27%inclusion4 decks15 decks
24%synergy
Throat Slitter
26%inclusion27 decks103 decks
25%synergy
Ninja of the Deep Hours
26%inclusion27 decks103 decks
25%synergy
Mist-Cloaked Herald
25%inclusion26 decks103 decks
24%synergy
Peregrine Drake
25%inclusion26 decks103 decks
22%synergy
Raphael, Tag Team Tough
25%inclusion1 decks4 decks
25%synergy
Raphael, the Muscle
25%inclusion1 decks4 decks
24%synergy
Dokuchi Silencer
24%inclusion25 decks103 decks
24%synergy
Biting-Palm Ninja
23%inclusion24 decks103 decks
23%synergy
Gingerbrute
23%inclusion24 decks103 decks
22%synergy
Higure, the Still Wind
22%inclusion23 decks103 decks
22%synergy
Hullbreaker Horror
22%inclusion23 decks103 decks
14%synergy
Moonsnare Specialist
21%inclusion22 decks103 decks
21%synergy
Grazilaxx, Illithid Scholar
20%inclusion21 decks103 decks
19%synergy
Genasi Enforcers
20%inclusion3 decks15 decks
20%synergy
Tiamat's Fanatics
20%inclusion3 decks15 decks
20%synergy
Reinforced Ronin
20%inclusion3 decks15 decks
19%synergy
Reya Dawnbringer
20%inclusion3 decks15 decks
19%synergy
Coercive Recruiter
20%inclusion3 decks15 decks
19%synergy
Saheeli, the Sun's Brilliance
20%inclusion3 decks15 decks
19%synergy
Urabrask the Hidden
20%inclusion3 decks15 decks
18%synergy
Delina, Wild Mage
20%inclusion3 decks15 decks
18%synergy
Kiki-Jiki, Mirror Breaker
20%inclusion3 decks15 decks
17%synergy
Loyal Apprentice
20%inclusion3 decks15 decks
16%synergy
Instants
An Offer You Can't Refuse
34%inclusion35 decks103 decks
9%synergy
The Last Ronin's Technique
33%inclusion1 decks3 decks
33%synergy
Swords to Plowshares
33%inclusion5 decks15 decks
-28%synergy
Dark Ritual
31%inclusion32 decks103 decks
6%synergy
Brainstorm
27%inclusion28 decks103 decks
9%synergy
Despark
27%inclusion4 decks15 decks
13%synergy
Void Rend
27%inclusion4 decks15 decks
12%synergy
Terminate
27%inclusion4 decks15 decks
7%synergy
Chaos Warp
27%inclusion4 decks15 decks
-3%synergy
Arcane Denial
24%inclusion25 decks103 decks
4%synergy
Deadly Rollick
17%inclusion18 decks103 decks
4%synergy
Mana Drain
16%inclusion16 decks103 decks
1%synergy
Infernal Grasp
15%inclusion15 decks103 decks
7%synergy
Turtles Forever
14%inclusion1 decks7 decks
14%synergy
Go for the Throat
12%inclusion12 decks103 decks
5%synergy
Pongify
12%inclusion12 decks103 decks
0%synergy
Swan Song
12%inclusion12 decks103 decks
-6%synergy
Mystical Tutor
11%inclusion11 decks103 decks
-1%synergy
Vampiric Tutor
11%inclusion11 decks103 decks
-4%synergy
Malakir Rebirth
10%inclusion10 decks103 decks
2%synergy
Rapid Hybridization
10%inclusion10 decks103 decks
1%synergy
Opt
10%inclusion10 decks103 decks
1%synergy
Frantic Search
10%inclusion10 decks103 decks
-5%synergy
Aetherize
8.7%inclusion9 decks103 decks
2%synergy
Spell Pierce
7.8%inclusion8 decks103 decks
5%synergy
Murder
7.8%inclusion8 decks103 decks
4%synergy
Force of Will
7.8%inclusion8 decks103 decks
-2%synergy
Mana Leak
6.8%inclusion7 decks103 decks
5%synergy
Dismember
6.8%inclusion7 decks103 decks
4%synergy
Dramatic Reversal
6.8%inclusion7 decks103 decks
2%synergy
Drown in the Loch
6.8%inclusion7 decks103 decks
2%synergy
Fell the Profane
5.9%inclusion6 decks101 decks
-3%synergy
Sink into Stupor
5.9%inclusion6 decks101 decks
-4%synergy
Tale's End
5.8%inclusion6 decks103 decks
5%synergy
Commandeer
5.8%inclusion6 decks103 decks
4%synergy
Lim-Dûl's Vault
5.8%inclusion6 decks103 decks
3%synergy
Snuff Out
5.8%inclusion6 decks103 decks
2%synergy
Dig Through Time
5.8%inclusion6 decks103 decks
2%synergy
Ghostly Flicker
5.8%inclusion6 decks103 decks
1%synergy
Snap
5.8%inclusion6 decks103 decks
-2%synergy
Spider-Sense
5.7%inclusion3 decks53 decks
4%synergy
Kitsune's Technique
5.3%inclusion1 decks19 decks
5%synergy
Sorceries
Leonardo's Technique
33%inclusion1 decks3 decks
33%synergy
Three Visits
33%inclusion3 decks9 decks
9%synergy
Kodama's Reach
33%inclusion3 decks9 decks
7%synergy
Rampant Growth
33%inclusion3 decks9 decks
0%synergy
Cultivate
33%inclusion3 decks9 decks
-9%synergy
Feed the Swarm
20%inclusion21 decks103 decks
4%synergy
Vandalblast
20%inclusion3 decks15 decks
5%synergy
Faithless Looting
20%inclusion3 decks15 decks
4%synergy
Demonic Tutor
19%inclusion20 decks103 decks
0%synergy
Toxic Deluge
17%inclusion17 decks103 decks
-1%synergy
Ponder
16%inclusion16 decks103 decks
4%synergy
Reanimate
15%inclusion15 decks103 decks
-5%synergy
Enter the Enigma
13%inclusion12 decks89 decks
11%synergy
Preordain
11%inclusion11 decks103 decks
2%synergy
Damnation
10%inclusion10 decks103 decks
3%synergy
Victimize
7.8%inclusion8 decks103 decks
-5%synergy
Donatello's Technique
7.7%inclusion1 decks13 decks
7%synergy
Scheming Symmetry
6.8%inclusion7 decks103 decks
5%synergy
Ringsight
6.8%inclusion7 decks103 decks
4%synergy
Diabolic Tutor
6.8%inclusion7 decks103 decks
1%synergy
Raise the Palisade
5.8%inclusion6 decks103 decks
3%synergy
Splinter's Technique
5.3%inclusion1 decks19 decks
4%synergy
Utility Artifacts
Lightning Greaves
37%inclusion38 decks103 decks
12%synergy
Swiftfoot Boots
36%inclusion37 decks103 decks
9%synergy
Bident of Thassa
30%inclusion31 decks103 decks
24%synergy
Hammer of Purphoros
27%inclusion4 decks15 decks
26%synergy
Urabrask's Forge
20%inclusion3 decks15 decks
19%synergy
Whispersilk Cloak
19%inclusion20 decks103 decks
16%synergy
Sensei's Divining Top
16%inclusion16 decks103 decks
11%synergy
Blade of Selves
7.8%inclusion8 decks103 decks
6%synergy
Maskwood Nexus
7.8%inclusion8 decks103 decks
5%synergy
Sapphire Medallion
6.8%inclusion7 decks103 decks
4%synergy
Jet Medallion
6.8%inclusion7 decks103 decks
3%synergy
Wayfarer's Bauble
6.8%inclusion7 decks103 decks
-1%synergy
Bolas's Citadel
6.8%inclusion7 decks103 decks
-1%synergy
Brotherhood Regalia
6.4%inclusion6 decks94 decks
4%synergy
Wishclaw Talisman
5.8%inclusion6 decks103 decks
1%synergy
Smoke Bomb
5.3%inclusion5 decks94 decks
5%synergy
Assassin Gauntlet
5.3%inclusion5 decks94 decks
5%synergy
Enchantments
Leader's Talent
33%inclusion1 decks3 decks
33%synergy
Endless Foot Assault
33%inclusion1 decks3 decks
31%synergy
Ghostly Prison
33%inclusion5 decks15 decks
22%synergy
Daring Piracy
27%inclusion4 decks15 decks
26%synergy
Reconnaissance
27%inclusion4 decks15 decks
23%synergy
Smoke Shroud
22%inclusion23 decks103 decks
22%synergy
Propaganda
20%inclusion21 decks103 decks
6%synergy
Warstorm Surge
20%inclusion3 decks15 decks
16%synergy
Impact Tremors
20%inclusion3 decks15 decks
10%synergy
Reconnaissance Mission
19%inclusion20 decks103 decks
16%synergy
Cunning Evasion
18%inclusion19 decks103 decks
18%synergy
Aqueous Form
17%inclusion18 decks103 decks
14%synergy
Rogue Class
17%inclusion17 decks103 decks
15%synergy
Mystic Remora
12%inclusion12 decks103 decks
-4%synergy
Phyrexian Arena
11%inclusion11 decks103 decks
-5%synergy
Ninja Teen
11%inclusion2 decks19 decks
10%synergy
Kindred Discovery
10%inclusion10 decks103 decks
3%synergy
Rooftop Bypass
10%inclusion9 decks94 decks
9%synergy
Waterbender Ascension
9.4%inclusion3 decks32 decks
7%synergy
Coastal Piracy
8.7%inclusion9 decks103 decks
7%synergy
Cover of Darkness
7.8%inclusion8 decks103 decks
6%synergy
Gossip's Talent
7.5%inclusion7 decks93 decks
7%synergy
Imprisoned in the Moon
5.8%inclusion6 decks103 decks
2%synergy
Black Market Connections
5.8%inclusion6 decks103 decks
-6%synergy
Planeswalkers
Kaito, Dancing Shadow
33%inclusion34 decks103 decks
32%synergy
Kaito, Cunning Infiltrator
28%inclusion24 decks86 decks
27%synergy
Kaito, Bane of Nightmares
27%inclusion24 decks89 decks
26%synergy
Ashiok, Dream Render
6.8%inclusion7 decks103 decks
4%synergy
Utility Lands
Rogue's Passage
53%inclusion55 decks103 decks
33%synergy
Reliquary Tower
49%inclusion50 decks103 decks
19%synergy
Bojuka Bog
25%inclusion26 decks103 decks
-4%synergy
Access Tunnel
22%inclusion23 decks103 decks
20%synergy
Creeping Tar Pit
18%inclusion19 decks103 decks
16%synergy
Otawara, Soaring City
10%inclusion10 decks103 decks
-7%synergy
Secret Tunnel
9.1%inclusion3 decks33 decks
7%synergy
Takenuma, Abandoned Mire
8.7%inclusion9 decks103 decks
0%synergy
Urborg, Tomb of Yawgmoth
6.8%inclusion7 decks103 decks
-2%synergy
Halimar Depths
5.8%inclusion6 decks103 decks
3%synergy
Mystic Sanctuary
5.8%inclusion6 decks103 decks
-5%synergy
Three Tree City
5.4%inclusion5 decks93 decks
0%synergy
Mana Artifacts
Sol Ring
92%inclusion95 decks103 decks
9%synergy
Arcane Signet
88%inclusion91 decks103 decks
16%synergy
Dimir Signet
46%inclusion47 decks103 decks
22%synergy
Thought Vessel
44%inclusion45 decks103 decks
26%synergy
Talisman of Dominance
40%inclusion41 decks103 decks
8%synergy
Izzet Signet
33%inclusion5 decks15 decks
10%synergy
Rakdos Signet
33%inclusion5 decks15 decks
9%synergy
Talisman of Creativity
33%inclusion5 decks15 decks
6%synergy
Commander's Sphere
24%inclusion25 decks103 decks
13%synergy
Fellwar Stone
23%inclusion24 decks103 decks
3%synergy
Mind Stone
14%inclusion14 decks103 decks
-1%synergy
Dimir Keyrune
7.8%inclusion8 decks103 decks
7%synergy
Lotus Petal
7.8%inclusion8 decks103 decks
1%synergy
Patchwork Banner
7.5%inclusion7 decks93 decks
3%synergy
Decanter of Endless Water
6.8%inclusion7 decks103 decks
3%synergy
Chromatic Lantern
6.8%inclusion7 decks103 decks
-2%synergy
Relic of Legends
5.8%inclusion6 decks103 decks
3%synergy
Mana Vault
5.8%inclusion6 decks103 decks
0%synergy
Bender's Waterskin
5.3%inclusion3 decks57 decks
2%synergy
Lands
Command Tower
82%inclusion84 decks103 decks
7%synergy
Spara's Headquarters
67%inclusion4 decks6 decks
40%synergy
Indatha Triome
67%inclusion4 decks6 decks
40%synergy
Jetmir's Garden
67%inclusion4 decks6 decks
39%synergy
Ketria Triome
67%inclusion4 decks6 decks
37%synergy
Sunken Hollow
53%inclusion55 decks103 decks
20%synergy
Ziatora's Proving Ground
50%inclusion3 decks6 decks
24%synergy
Temple Garden
50%inclusion3 decks6 decks
11%synergy
Stomping Ground
50%inclusion3 decks6 decks
9%synergy
Arcane Sanctum
47%inclusion7 decks15 decks
19%synergy
Crumbling Necropolis
47%inclusion7 decks15 decks
19%synergy
Smoldering Marsh
47%inclusion7 decks15 decks
13%synergy
Sulfur Falls
47%inclusion7 decks15 decks
11%synergy
Zagoth Triome
44%inclusion4 decks9 decks
17%synergy
Savai Triome
43%inclusion3 decks7 decks
19%synergy
Raugrin Triome
43%inclusion3 decks7 decks
19%synergy
Drowned Catacomb
43%inclusion44 decks103 decks
14%synergy
Raffine's Tower
40%inclusion6 decks15 decks
16%synergy
Blood Crypt
40%inclusion6 decks15 decks
2%synergy
Darkwater Catacombs
38%inclusion39 decks103 decks
23%synergy
Exotic Orchard
36%inclusion37 decks103 decks
-1%synergy
Choked Estuary
35%inclusion36 decks103 decks
20%synergy
Underground River
35%inclusion36 decks103 decks
12%synergy
Watery Grave
35%inclusion36 decks103 decks
-7%synergy
Foreboding Ruins
33%inclusion5 decks15 decks
18%synergy
Xander's Lounge
33%inclusion5 decks15 decks
10%synergy
Shivan Reef
33%inclusion5 decks15 decks
4%synergy
Prairie Stream
33%inclusion5 decks15 decks
0%synergy
Steam Vents
33%inclusion5 decks15 decks
-5%synergy
Overgrown Tomb
33%inclusion3 decks9 decks
-8%synergy
Godless Shrine
33%inclusion5 decks15 decks
-8%synergy
Breeding Pool
33%inclusion3 decks9 decks
-9%synergy
Dimir Aqueduct
31%inclusion32 decks103 decks
17%synergy
Shipwreck Marsh
31%inclusion32 decks103 decks
13%synergy
Tainted Isle
29%inclusion30 decks103 decks
18%synergy
Blackcleave Cliffs
27%inclusion4 decks15 decks
20%synergy
Frostboil Snarl
27%inclusion4 decks15 decks
13%synergy
Shattered Sanctum
27%inclusion4 decks15 decks
12%synergy
Sulfurous Springs
27%inclusion4 decks15 decks
3%synergy
Adarkar Wastes
27%inclusion4 decks15 decks
3%synergy
Glacial Fortress
27%inclusion4 decks15 decks
-6%synergy
Isolated Chapel
27%inclusion4 decks15 decks
-7%synergy
Dragonskull Summit
27%inclusion4 decks15 decks
-8%synergy
Hallowed Fountain
27%inclusion4 decks15 decks
-13%synergy
Evolving Wilds
26%inclusion27 decks103 decks
6%synergy
Polluted Delta
24%inclusion25 decks103 decks
12%synergy
Path of Ancestry
24%inclusion25 decks103 decks
2%synergy
Temple of Deceit
21%inclusion22 decks103 decks
7%synergy
Temple of Malice
20%inclusion3 decks15 decks
7%synergy
Fetid Heath
20%inclusion3 decks15 decks
6%synergy