Satoru Umezawa
Great Whale
Covert Technician

   Prerequisites

What do I need to start this combo?
Great Whale in hand.
Satoru Umezawa and Covert Technician on the battlefield.
Covert Technician does not have summoning sickness and cannot be blocked by an opponent. You control up to seven lands that can tap to produce at least 3.

   Steps

How does this combo work?
1
Declare Covert Technician as an attacker.
2
When it isn't blocked, activate up to seven lands you control by tapping them, adding at least 3.
3
Activate Great Whale's ninjutsu ability by paying 2 and returning Covert Technician from the battlefield to your hand, putting Great Whale onto the battlefield from your hand tapped and attacking.
4
When Great Whale enters the battlefield, it triggers, untapping up to seven lands.
5
Activate Covert Technician's ninjutsu ability by paying 1 and returning Great Whale from the battlefield to your hand, putting Covert Technician onto the battlefield from your hand tapped and attacking.
6
Repeat from step 2.
7
If you control up to seven lands that can tap to produce at least 4, this combo nets infinite mana.

   Results

What do I get from this combo?
Infinite ETB
Infinite LTB
Infinite mana lands you control can produce
Infinite untap of lands you control
Splinter, Radical Rat
0.0%inclusion1 decks3.74K decks
Top Commanders
Satoru Umezawa
0.6%inclusion75 decks13.5K decks
Yuriko, the Tiger's Shadow
0.1%inclusion27 decks30.7K decks
Satoru, the Infiltrator
0.2%inclusion4 decks2.32K decks
Noctis, Heir Apparent
0.0%inclusion1 decks3.28K decks
Ramos, Dragon Engine
0.0%inclusion1 decks11.5K decks
Jin Sakai, Ghost of Tsushima
0.0%inclusion1 decks12K decks
Cazur, Ruthless Stalker // Ukkima, Stalking Shadow
0.0%inclusion1 decks4.67K decks
Taeko, the Patient Avalanche
0.1%inclusion1 decks863 decks
Kyodai, Soul of Kamigawa
0.0%inclusion1 decks2.44K decks
New Cards
Dark Leo & Shredder
100%inclusion2 decks2 decks
98%synergy
Fix What's Broken
100%inclusion1 decks1 decks
99%synergy
Forum of Amity
100%inclusion1 decks1 decks
98%synergy
Joined Researchers
100%inclusion1 decks1 decks
99%synergy
Karai, Future of the Foot
100%inclusion1 decks1 decks
98%synergy
High Synergy Cards
Silver-Fur Master
95%inclusion107 decks113 decks
92%synergy
Thousand-Faced Shadow
92%inclusion104 decks113 decks
91%synergy
Moon-Circuit Hacker
87%inclusion98 decks113 decks
86%synergy
Changeling Outcast
76%inclusion86 decks113 decks
72%synergy
Peregrine Drake
74%inclusion84 decks113 decks
71%synergy
Ingenious Infiltrator
66%inclusion75 decks113 decks
64%synergy
Ornithopter
59%inclusion67 decks113 decks
57%synergy
Prosperous Thief
58%inclusion66 decks113 decks
57%synergy
Slither Blade
58%inclusion65 decks113 decks
56%synergy
Palinchron
52%inclusion59 decks113 decks
52%synergy
Top Cards
Swords to Plowshares
80%inclusion4 decks5 decks
19%synergy
Counterspell
60%inclusion68 decks113 decks
18%synergy
Silent-Blade Oni
54%inclusion61 decks113 decks
52%synergy
Yuriko, the Tiger's Shadow
52%inclusion59 decks113 decks
51%synergy
Fallen Shinobi
52%inclusion59 decks113 decks
49%synergy
Sakashima's Student
51%inclusion58 decks113 decks
50%synergy
Mistblade Shinobi
50%inclusion57 decks113 decks
49%synergy
Gingerbrute
47%inclusion53 decks113 decks
46%synergy
Skullsnatcher
46%inclusion52 decks113 decks
45%synergy
Baleful Strix
45%inclusion51 decks113 decks
32%synergy
Game Changers
Rhystic Study
43%inclusion49 decks113 decks
20%synergy
Demonic Tutor
36%inclusion41 decks113 decks
17%synergy
Vampiric Tutor
35%inclusion39 decks113 decks
20%synergy
Cyclonic Rift
34%inclusion38 decks113 decks
12%synergy
Fierce Guardianship
33%inclusion37 decks113 decks
15%synergy
Thassa's Oracle
30%inclusion34 decks113 decks
24%synergy
Mystical Tutor
27%inclusion31 decks113 decks
16%synergy
Force of Will
22%inclusion25 decks113 decks
12%synergy
Imperial Seal
16%inclusion18 decks113 decks
11%synergy
Mox Diamond
15%inclusion17 decks113 decks
11%synergy
Creatures
Prehistoric Pet
50%inclusion1 decks2 decks
50%synergy
Don & Leo, Problem Solvers
50%inclusion1 decks2 decks
49%synergy
Turncoat Kunoichi
50%inclusion1 decks2 decks
49%synergy
Splinter, Radical Rat
50%inclusion1 decks2 decks
48%synergy
Spectral Sailor
44%inclusion50 decks113 decks
43%synergy
Rune-Scarred Demon
43%inclusion49 decks113 decks
41%synergy
Dauthi Voidwalker
43%inclusion49 decks113 decks
37%synergy
Dokuchi Silencer
42%inclusion48 decks113 decks
42%synergy
Ninja of the Deep Hours
42%inclusion48 decks113 decks
41%synergy
Nezumi Prowler
41%inclusion46 decks113 decks
40%synergy
Moonsnare Specialist
37%inclusion42 decks113 decks
37%synergy
Faerie Seer
37%inclusion42 decks113 decks
36%synergy
Nashi, Moon Sage's Scion
36%inclusion41 decks113 decks
35%synergy
Blightsteel Colossus
35%inclusion40 decks113 decks
34%synergy
Satoru, the Infiltrator
35%inclusion40 decks113 decks
33%synergy
Triton Shorestalker
35%inclusion39 decks113 decks
33%synergy
Biting-Palm Ninja
33%inclusion37 decks113 decks
32%synergy
Ink-Eyes, Servant of Oni
33%inclusion37 decks113 decks
32%synergy
Tormented Soul
32%inclusion36 decks113 decks
31%synergy
Higure, the Still Wind
29%inclusion33 decks113 decks
29%synergy
Mist-Syndicate Naga
29%inclusion33 decks113 decks
29%synergy
Mist-Cloaked Herald
29%inclusion33 decks113 decks
28%synergy
Tetsuko Umezawa, Fugitive
29%inclusion33 decks113 decks
27%synergy
Phyrexian Metamorph
28%inclusion32 decks113 decks
21%synergy
Agent of Treachery
27%inclusion30 decks113 decks
25%synergy
Gudul Lurker
26%inclusion29 decks113 decks
25%synergy
Leonardo, Sewer Samurai
25%inclusion1 decks4 decks
25%synergy
Hullbreaker Horror
25%inclusion28 decks113 decks
17%synergy
Ingenious Prodigy
24%inclusion27 decks113 decks
23%synergy
Invisible Stalker
24%inclusion27 decks113 decks
23%synergy
Jin-Gitaxias, Core Augur
24%inclusion27 decks113 decks
22%synergy
Mukotai Ambusher
23%inclusion26 decks113 decks
23%synergy
Dimir Infiltrator
23%inclusion26 decks113 decks
22%synergy
Jin-Gitaxias, Progress Tyrant
22%inclusion25 decks113 decks
20%synergy
Ancient Silver Dragon
22%inclusion25 decks113 decks
20%synergy
Toxrill, the Corrosive
22%inclusion25 decks113 decks
20%synergy
Grazilaxx, Illithid Scholar
21%inclusion24 decks113 decks
19%synergy
Cloud of Faeries
21%inclusion24 decks113 decks
19%synergy
Archon of Cruelty
21%inclusion24 decks113 decks
19%synergy
Thieves' Guild Enforcer
20%inclusion23 decks113 decks
20%synergy
Throat Slitter
20%inclusion23 decks113 decks
20%synergy
Void Winnower
20%inclusion23 decks113 decks
19%synergy
Mindleech Mass
19%inclusion22 decks113 decks
19%synergy
Walker of Secret Ways
19%inclusion21 decks113 decks
18%synergy
Phantasmal Image
19%inclusion21 decks113 decks
16%synergy
Siren Stormtamer
19%inclusion21 decks113 decks
16%synergy
Faerie Mastermind
19%inclusion21 decks113 decks
12%synergy
Orcish Bowmasters
19%inclusion21 decks113 decks
10%synergy
Azra Smokeshaper
18%inclusion20 decks113 decks
18%synergy
Cauldron Familiar
17%inclusion19 decks113 decks
16%synergy
Instants
Path to Exile
60%inclusion3 decks5 decks
13%synergy
Dark Ritual
42%inclusion47 decks113 decks
17%synergy
Brainstorm
37%inclusion42 decks113 decks
19%synergy
Negate
37%inclusion42 decks113 decks
16%synergy
Deadly Rollick
29%inclusion33 decks113 decks
15%synergy
An Offer You Can't Refuse
29%inclusion33 decks113 decks
4%synergy
March of Swirling Mist
28%inclusion32 decks113 decks
26%synergy
Demonic Consultation
28%inclusion32 decks113 decks
25%synergy
Force of Negation
26%inclusion29 decks113 decks
18%synergy
Swan Song
26%inclusion29 decks113 decks
8%synergy
Arcane Denial
22%inclusion25 decks113 decks
2%synergy
Dispel
21%inclusion24 decks113 decks
18%synergy
Pact of Negation
21%inclusion24 decks113 decks
15%synergy
Flusterstorm
21%inclusion24 decks113 decks
14%synergy
Mental Misstep
20%inclusion23 decks113 decks
15%synergy
Spell Pierce
19%inclusion22 decks113 decks
16%synergy
Fell the Profane
19%inclusion21 decks108 decks
11%synergy
Chain of Vapor
19%inclusion21 decks113 decks
15%synergy
Sink into Stupor
18%inclusion19 decks108 decks
7%synergy
Mindbreak Trap
17%inclusion19 decks113 decks
12%synergy
Opt
15%inclusion17 decks113 decks
6%synergy
Tainted Pact
14%inclusion16 decks113 decks
11%synergy
Saw in Half
14%inclusion16 decks113 decks
10%synergy
Pongify
14%inclusion16 decks113 decks
3%synergy
Mana Drain
14%inclusion16 decks113 decks
0%synergy
Lim-Dûl's Vault
13%inclusion15 decks113 decks
10%synergy
Waterlogged Teachings
13%inclusion14 decks108 decks
8%synergy
Dismember
12%inclusion14 decks113 decks
9%synergy
Snap
12%inclusion13 decks113 decks
4%synergy
High Tide
11%inclusion12 decks113 decks
7%synergy
Go for the Throat
11%inclusion12 decks113 decks
4%synergy
Flare of Denial
10%inclusion11 decks111 decks
8%synergy
You Are Already Dead
8.8%inclusion10 decks113 decks
8%synergy
Miscast
8.8%inclusion10 decks113 decks
7%synergy
Murder
8.8%inclusion10 decks113 decks
5%synergy
Rapid Hybridization
8.0%inclusion9 decks113 decks
-1%synergy
Withering Torment
7.2%inclusion7 decks97 decks
-1%synergy
Familiar's Ruse
7.1%inclusion8 decks113 decks
7%synergy
Mana Leak
7.1%inclusion8 decks113 decks
5%synergy
Resculpt
7.1%inclusion8 decks113 decks
4%synergy
Drown in the Loch
7.1%inclusion8 decks113 decks
2%synergy
Malakir Rebirth
7.1%inclusion8 decks113 decks
-1%synergy
Spider-Sense
6.5%inclusion3 decks46 decks
5%synergy
Jwari Disruption
6.2%inclusion7 decks113 decks
5%synergy
Misdirection
6.2%inclusion7 decks113 decks
4%synergy
Dig Through Time
6.2%inclusion7 decks113 decks
2%synergy
Infernal Grasp
6.2%inclusion7 decks113 decks
-1%synergy
Frantic Search
6.2%inclusion7 decks113 decks
-9%synergy
Strix Serenade
5.6%inclusion6 decks108 decks
2%synergy
Overkill
5.5%inclusion3 decks55 decks
3%synergy
Sorceries
Leonardo's Technique
50%inclusion1 decks2 decks
50%synergy
Ponder
21%inclusion24 decks113 decks
10%synergy
Toxic Deluge
21%inclusion24 decks113 decks
3%synergy
Feed the Swarm
20%inclusion23 decks113 decks
5%synergy
Reanimate
14%inclusion16 decks113 decks
-5%synergy
Diabolic Tutor
12%inclusion14 decks113 decks
7%synergy
Grim Tutor
12%inclusion13 decks113 decks
8%synergy
Kaito's Pursuit
10%inclusion11 decks113 decks
10%synergy
Temporal Trespass
10%inclusion11 decks113 decks
9%synergy
Enter the Enigma
8.3%inclusion8 decks96 decks
6%synergy
Splinter's Technique
8.0%inclusion2 decks25 decks
7%synergy
Preordain
8.0%inclusion9 decks113 decks
-1%synergy
Ringsight
7.1%inclusion8 decks113 decks
4%synergy
Doomsday
6.2%inclusion7 decks113 decks
6%synergy
Gitaxian Probe
6.2%inclusion7 decks113 decks
1%synergy
Sea Gate Restoration
5.3%inclusion6 decks113 decks
1%synergy
Victimize
5.3%inclusion6 decks113 decks
-7%synergy
Utility Artifacts
Lightning Greaves
44%inclusion50 decks113 decks
20%synergy
Swiftfoot Boots
27%inclusion31 decks113 decks
0%synergy
Wishclaw Talisman
22%inclusion25 decks113 decks
17%synergy
Grafdigger's Cage
19%inclusion22 decks113 decks
19%synergy
Sensei's Divining Top
18%inclusion20 decks113 decks
13%synergy
Cursed Totem
17%inclusion19 decks113 decks
16%synergy
Bident of Thassa
15%inclusion17 decks113 decks
9%synergy
Altar of the Brood
12%inclusion13 decks113 decks
10%synergy
Whispersilk Cloak
12%inclusion13 decks113 decks
8%synergy
The One Ring
12%inclusion13 decks113 decks
3%synergy
Scroll Rack
10%inclusion11 decks113 decks
9%synergy
The Darkness Crystal
8.5%inclusion5 decks59 decks
5%synergy
Brotherhood Regalia
8.4%inclusion9 decks107 decks
6%synergy
Dowsing Dagger
8.0%inclusion9 decks113 decks
7%synergy
Sapphire Medallion
8.0%inclusion9 decks113 decks
5%synergy
Ninja's Blades
7.3%inclusion4 decks55 decks
7%synergy
Vorpal Sword
5.3%inclusion6 decks113 decks
4%synergy
Jet Medallion
5.3%inclusion6 decks113 decks
2%synergy
Sword of the Animist
5.3%inclusion6 decks113 decks
1%synergy
Wayfarer's Bauble
5.3%inclusion6 decks113 decks
-2%synergy
Enchantments
Mystic Remora
38%inclusion43 decks113 decks
22%synergy
Smoke Shroud
22%inclusion25 decks113 decks
22%synergy
Propaganda
18%inclusion20 decks113 decks
4%synergy
Reconnaissance Mission
16%inclusion18 decks113 decks
12%synergy
Cunning Evasion
15%inclusion17 decks113 decks
15%synergy
Aqueous Form
15%inclusion17 decks113 decks
11%synergy
Cover of Darkness
10%inclusion11 decks113 decks
8%synergy
Rogue Class
8.0%inclusion9 decks113 decks
7%synergy
Coastal Piracy
7.1%inclusion8 decks113 decks
5%synergy
Imprisoned in the Moon
6.2%inclusion7 decks113 decks
2%synergy
Arcane Adaptation
5.3%inclusion6 decks113 decks
4%synergy
Training Grounds
5.3%inclusion6 decks113 decks
2%synergy
Exquisite Blood
5.3%inclusion6 decks113 decks
0%synergy
Sanguine Bond
5.3%inclusion6 decks113 decks
0%synergy
Planeswalkers
Kaito Shizuki
35%inclusion39 decks113 decks
33%synergy
Kaito, Bane of Nightmares
32%inclusion31 decks98 decks
30%synergy
Kaito, Dancing Shadow
29%inclusion33 decks113 decks
28%synergy
Kaito, Cunning Infiltrator
20%inclusion18 decks88 decks
20%synergy
Utility Lands
Rogue's Passage
39%inclusion44 decks113 decks
19%synergy
Reliquary Tower
39%inclusion44 decks113 decks
9%synergy
Otawara, Soaring City
38%inclusion43 decks113 decks
22%synergy
Urborg, Tomb of Yawgmoth
25%inclusion28 decks113 decks
16%synergy
Bojuka Bog
22%inclusion25 decks113 decks
-8%synergy
Creeping Tar Pit
20%inclusion23 decks113 decks
18%synergy
Urza's Saga
19%inclusion22 decks113 decks
13%synergy
Takenuma, Abandoned Mire
19%inclusion22 decks113 decks
11%synergy
Ancient Tomb
19%inclusion21 decks113 decks
9%synergy
Emergence Zone
17%inclusion19 decks113 decks
14%synergy
Access Tunnel
14%inclusion16 decks113 decks
12%synergy
Mystic Sanctuary
14%inclusion16 decks113 decks
4%synergy
Cephalid Coliseum
13%inclusion15 decks113 decks
10%synergy
Shizo, Death's Storehouse
13%inclusion15 decks113 decks
9%synergy
Cabal Pit
12%inclusion13 decks113 decks
11%synergy
Minamo, School at Water's Edge
12%inclusion13 decks113 decks
7%synergy
Temple of the False God
11%inclusion12 decks113 decks
2%synergy
Halimar Depths
8.8%inclusion10 decks113 decks
6%synergy
Command Beacon
8.8%inclusion10 decks113 decks
4%synergy
Blinkmoth Nexus
8.0%inclusion9 decks113 decks
7%synergy
Everglades
5.3%inclusion6 decks113 decks
5%synergy
Restless Reef
5.3%inclusion6 decks113 decks
3%synergy
Cabal Coffers
5.3%inclusion6 decks113 decks
-4%synergy
Mana Artifacts
Sol Ring
95%inclusion107 decks113 decks
11%synergy
Arcane Signet
83%inclusion94 decks113 decks
11%synergy
Azorius Signet
60%inclusion3 decks5 decks
39%synergy
Talisman of Dominance
58%inclusion65 decks113 decks
25%synergy
Dimir Signet
44%inclusion50 decks113 decks
20%synergy
Thought Vessel
40%inclusion45 decks113 decks
23%synergy
Fellwar Stone
30%inclusion34 decks113 decks
10%synergy
Lotus Petal
27%inclusion30 decks113 decks
20%synergy
Mox Opal
16%inclusion18 decks113 decks
12%synergy
Chrome Mox
14%inclusion16 decks113 decks
8%synergy
Commander's Sphere
12%inclusion14 decks113 decks
1%synergy
Mind Stone
12%inclusion14 decks113 decks
-2%synergy
Mox Amber
12%inclusion13 decks113 decks
7%synergy
Sky Diamond
8.8%inclusion10 decks113 decks
5%synergy
Dimir Keyrune
6.2%inclusion7 decks113 decks
5%synergy
Mana Crypt
6.2%inclusion7 decks113 decks
5%synergy
Decanter of Endless Water
6.2%inclusion7 decks113 decks
2%synergy
Mana Vault
6.2%inclusion7 decks113 decks
0%synergy
Charcoal Diamond
5.3%inclusion6 decks113 decks
1%synergy
Lands
Command Tower
79%inclusion89 decks113 decks
5%synergy
Watery Grave
55%inclusion62 decks113 decks
13%synergy
Sunken Hollow
51%inclusion58 decks113 decks
18%synergy
Morphic Pool
45%inclusion51 decks113 decks
21%synergy
Drowned Catacomb
45%inclusion51 decks113 decks
16%synergy
Polluted Delta
44%inclusion50 decks113 decks
32%synergy
Dimir Aqueduct
39%inclusion44 decks113 decks
25%synergy
Exotic Orchard
39%inclusion44 decks113 decks
2%synergy
Underground River
36%inclusion41 decks113 decks
14%synergy
Choked Estuary
35%inclusion40 decks113 decks
20%synergy
Shipwreck Marsh
35%inclusion39 decks113 decks
17%synergy
Darkslick Shores
28%inclusion32 decks113 decks
24%synergy
Clearwater Pathway
28%inclusion32 decks113 decks
21%synergy
Dismal Backwater
27%inclusion31 decks113 decks
21%synergy
Darkwater Catacombs
27%inclusion31 decks113 decks
13%synergy
Tainted Isle
26%inclusion29 decks113 decks
15%synergy
Temple of Deceit
26%inclusion29 decks113 decks
12%synergy
Misty Rainforest
25%inclusion28 decks113 decks
13%synergy
Flooded Strand
23%inclusion26 decks113 decks
12%synergy
Underground Sea
23%inclusion26 decks113 decks
8%synergy
Bloodstained Mire
22%inclusion25 decks113 decks
11%synergy
Gemstone Caverns
21%inclusion24 decks113 decks
16%synergy
City of Brass
21%inclusion24 decks113 decks
14%synergy
Verdant Catacombs
21%inclusion24 decks113 decks
10%synergy
Marsh Flats
20%inclusion23 decks113 decks
10%synergy
Path of Ancestry
19%inclusion22 decks113 decks
-3%synergy
Scalding Tarn
19%inclusion21 decks113 decks
8%synergy
Mana Confluence
18%inclusion20 decks113 decks
11%synergy
Gloomlake Verge
16%inclusion16 decks97 decks
7%synergy
Fetid Pools
16%inclusion18 decks113 decks
9%synergy
Cavern of Souls
16%inclusion18 decks113 decks
9%synergy
Undercity Sewers
15%inclusion17 decks113 decks
4%synergy
Sunken Ruins
13%inclusion15 decks113 decks
8%synergy
Contaminated Aquifer
12%inclusion14 decks113 decks
9%synergy
Evolving Wilds
12%inclusion13 decks113 decks
-9%synergy
Secluded Courtyard
10%inclusion11 decks113 decks
5%synergy
Reflecting Pool
10%inclusion11 decks113 decks
5%synergy
Dimir Guildgate
8.8%inclusion10 decks113 decks
5%synergy
Uncharted Haven
6.2%inclusion7 decks113 decks
6%synergy
Waterfront District
6.2%inclusion7 decks113 decks
5%synergy
River of Tears
6.2%inclusion7 decks113 decks
4%synergy
Thriving Isle
6.2%inclusion7 decks113 decks
3%synergy
Prismatic Vista
6.2%inclusion7 decks113 decks
1%synergy
Fabled Passage
6.2%inclusion7 decks113 decks
-4%synergy
Terramorphic Expanse
6.2%inclusion7 decks113 decks
-9%synergy
Treno, Dark City
5.5%inclusion3 decks55 decks
3%synergy
Soured Springs
5.3%inclusion6 decks113 decks
4%synergy
Submerged Boneyard
5.3%inclusion6 decks113 decks
4%synergy
Jwar Isle Refuge
5.3%inclusion6 decks113 decks
4%synergy
Escape Tunnel
5.3%inclusion6 decks113 decks
4%synergy