Satoru Umezawa + Great Whale + Prosperous Thief

Satoru Umezawa
Great Whale
Prosperous Thief

Requires
Satoru Umezawa must be on the battlefield. Great Whale must be in hand. Prosperous Thief must be on the battlefield. Prosperous Thief 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
  1. Declare Prosperous Thief 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 Prosperous Thief 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 Prosperous Thief's ninjutsu ability by paying 1 and returning Great Whale from the battlefield to your hand, putting Prosperous Thief 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
Infinite ETB. Infinite LTB. Infinite mana lands you control can produce. Infinite untap of lands you control.

Satoru Umezawa
2.84% of 10585 decks 301 decks
Yuriko, the Tiger's Shadow
0.18% of 23538 decks 42 decks
Goro-Goro and Satoru
0.04% of 7365 decks 3 decks
Satoru, the Infiltrator
0.15% of 1356 decks 2 decks
Cazur, Ruthless Stalker // Ukkima, Stalking Shadow
0.05% of 3814 decks 2 decks
Kyodai, Soul of Kamigawa
0.05% of 1869 decks 1 decks
Inalla, Archmage Ritualist
0.01% of 7352 decks 1 decks
New Cards
Sire of Seven Deaths
75% of 4 decks +71% synergy
Taeko, the Patient Avalanche
73% of 11 decks +71% synergy
Kaito, Cunning Infiltrator
72% of 18 decks +69% synergy
Gloomlake Verge
64% of 53 decks +46% synergy
Kaito, Bane of Nightmares
58% of 67 decks +54% synergy
High Synergy Cards
Silver-Fur Master
97% of 352 decks +94% synergy
Thousand-Faced Shadow
93% of 352 decks +92% synergy
Changeling Outcast
84% of 352 decks +79% synergy
Ornithopter
75% of 352 decks +73% synergy
Slither Blade
73% of 352 decks +71% synergy
Moon-Circuit Hacker
64% of 352 decks +63% synergy
Ingenious Infiltrator
64% of 352 decks +61% synergy
Satoru, the Infiltrator
65% of 158 decks +61% synergy
Yuriko, the Tiger's Shadow
61% of 352 decks +60% synergy
Peregrine Drake
63% of 352 decks +59% synergy
Top Cards
Baleful Strix
70% of 352 decks +57% synergy
Counterspell
65% of 352 decks +22% synergy
Silent-Blade Oni
62% of 352 decks +59% synergy
Triton Shorestalker
61% of 352 decks +59% synergy
Fallen Shinobi
60% of 352 decks +56% synergy
Lightning Greaves
54% of 352 decks +29% synergy
Gingerbrute
53% of 352 decks +52% synergy
Mist-Cloaked Herald
52% of 352 decks +51% synergy
Blightsteel Colossus
51% of 352 decks +50% synergy
Kaito Shizuki
51% of 352 decks +50% synergy
Creatures
Terror of the Peaks
60% of 5 decks +55% synergy
Rune-Scarred Demon
51% of 352 decks +49% synergy
Tormented Soul
51% of 352 decks +50% synergy
Sakashima's Student
49% of 352 decks +48% synergy
Ancient Silver Dragon
47% of 337 decks +44% synergy
Faerie Seer
46% of 352 decks +44% synergy
Nashi, Moon Sage's Scion
42% of 352 decks +40% synergy
Dimir Infiltrator
42% of 352 decks +40% synergy
Ninja of the Deep Hours
41% of 352 decks +40% synergy
Palinchron
41% of 352 decks +40% synergy
Invisible Stalker
41% of 352 decks +39% synergy
Mistblade Shinobi
40% of 352 decks +39% synergy
Archon of Cruelty
40% of 352 decks +38% synergy
Grazilaxx, Illithid Scholar
39% of 352 decks +37% synergy
Jin-Gitaxias, Core Augur
39% of 352 decks +36% synergy
Gudul Lurker
38% of 352 decks +37% synergy
Dauthi Voidwalker
36% of 352 decks +28% synergy
Silent Hallcreeper
36% of 42 decks +29% synergy
Siren Stormtamer
34% of 352 decks +31% synergy
Dour Port-Mage
34% of 80 decks +28% synergy
Unstoppable Slasher
33% of 42 decks +28% synergy
Ink-Eyes, Servant of Oni
33% of 352 decks +32% synergy
Nezahal, Primal Tide
30% of 352 decks +27% synergy
Spectral Sailor
29% of 352 decks +27% synergy
Toxrill, the Corrosive
29% of 352 decks +26% synergy
Tetsuko Umezawa, Fugitive
29% of 352 decks +26% synergy
Mindleech Mass
28% of 352 decks +27% synergy
Higure, the Still Wind
26% of 352 decks +26% synergy
Valgavoth, Terror Eater
25% of 67 decks +20% synergy
Jin-Gitaxias, Progress Tyrant
25% of 352 decks +22% synergy
Sheoldred, Whispering One
25% of 352 decks +20% synergy
Ingenious Prodigy
25% of 226 decks +23% synergy
Lord of the Void
23% of 352 decks +22% synergy
Moonsnare Specialist
23% of 352 decks +22% synergy
Skullsnatcher
22% of 352 decks +21% synergy
Void Winnower
20% of 352 decks +19% synergy
Orochi Soul-Reaver
20% of 125 decks +18% synergy
Thassa's Oracle
20% of 352 decks +13% synergy
Callidus Assassin
20% of 323 decks +18% synergy
Dokuchi Silencer
19% of 352 decks +18% synergy
Agent of Treachery
19% of 352 decks +17% synergy
Covert Technician
18% of 352 decks +18% synergy
Consecrated Sphinx
18% of 352 decks +14% synergy
Hullbreaker Horror
18% of 352 decks +11% synergy
Wrexial, the Risen Deep
18% of 352 decks +16% synergy
Biting-Palm Ninja
17% of 352 decks +16% synergy
Ornithopter of Paradise
17% of 352 decks +12% synergy
Archpriest of Shadows
16% of 268 decks +15% synergy
Phyrexian Metamorph
16% of 352 decks +9% synergy
Throat Slitter
15% of 352 decks +14% synergy
Instants
Brainstorm
47% of 352 decks +26% synergy
Cyclonic Rift
44% of 352 decks +17% synergy
Negate
42% of 352 decks +19% synergy
Dark Ritual
41% of 352 decks +19% synergy
An Offer You Can't Refuse
33% of 344 decks +12% synergy
Vampiric Tutor
33% of 352 decks +15% synergy
Fierce Guardianship
32% of 352 decks +14% synergy
Swan Song
30% of 352 decks +13% synergy
Get Out
26% of 23 decks +22% synergy
Deadly Rollick
26% of 352 decks +15% synergy
Force of Negation
25% of 352 decks +16% synergy
Mana Drain
24% of 352 decks +9% synergy
Arcane Denial
24% of 352 decks +5% synergy
Mystical Tutor
24% of 352 decks +9% synergy
Withering Torment
23% of 39 decks +4% synergy
Pongify
23% of 352 decks +11% synergy
Fell the Profane
21% of 112 decks +10% synergy
Force of Will
21% of 352 decks +10% synergy
Sink into Stupor
20% of 112 decks +7% synergy
Flare of Denial
19% of 119 decks +16% synergy
Spell Pierce
19% of 352 decks +16% synergy
Infernal Grasp
19% of 352 decks +11% synergy
March of Swirling Mist
18% of 352 decks +15% synergy
Demonic Consultation
17% of 352 decks +13% synergy
Don't Make a Sound
16% of 19 decks +10% synergy
Lim-Dûl's Vault
14% of 352 decks +10% synergy
High Tide
14% of 352 decks +10% synergy
Pact of Negation
14% of 352 decks +6% synergy
Dispel
13% of 352 decks +9% synergy
Rapid Hybridization
13% of 352 decks +3% synergy
Waterlogged Teachings
12% of 112 decks +6% synergy
Flusterstorm
12% of 352 decks +5% synergy
Mental Misstep
11% of 352 decks +5% synergy
Go for the Throat
11% of 352 decks +4% synergy
Malakir Rebirth
11% of 352 decks +3% synergy
Strix Serenade
11% of 112 decks +4% synergy
Miscast
10% of 352 decks +8% synergy
Reality Shift
10% of 352 decks +1% synergy
Snap
10% of 352 decks +3% synergy
Misdirection
9% of 352 decks +7% synergy
Opt
8% of 352 decks -2% synergy
Familiar's Ruse
8% of 352 decks +7% synergy
Murder
8% of 352 decks +4% synergy
Countersquall
7% of 352 decks +5% synergy
Dismember
7% of 352 decks +5% synergy
Chain of Vapor
7% of 352 decks +3% synergy
Resculpt
7% of 352 decks +2% synergy
Frantic Search
7% of 352 decks -5% synergy
Baleful Mastery
7% of 352 decks +4% synergy
Tainted Pact
7% of 352 decks +3% synergy
Sorceries
Vandalblast
60% of 5 decks +44% synergy
Enter the Enigma
48% of 31 decks +40% synergy
Feed the Swarm
38% of 352 decks +20% synergy
Demonic Tutor
37% of 352 decks +15% synergy
Toxic Deluge
30% of 352 decks +13% synergy
Ponder
26% of 352 decks +13% synergy
Diabolic Tutor
19% of 352 decks +13% synergy
Preordain
17% of 352 decks +6% synergy
Reanimate
15% of 352 decks -1% synergy
Imperial Seal
14% of 352 decks +8% synergy
Damnation
13% of 352 decks +5% synergy
Ringsight
11% of 252 decks +6% synergy
Gitaxian Probe
10% of 352 decks +4% synergy
Grim Tutor
9% of 352 decks +4% synergy
Kaito's Pursuit
8% of 352 decks +8% synergy
Profane Tutor
7% of 352 decks +4% synergy
Windfall
7% of 352 decks -6% synergy
Diabolic Intent
6% of 352 decks -2% synergy
Scheming Symmetry
6% of 352 decks +4% synergy
Sea Gate Restoration
5% of 352 decks +0% synergy
Utility Artifacts
Swiftfoot Boots
40% of 352 decks +12% synergy
Bident of Thassa
26% of 352 decks +20% synergy
Whispersilk Cloak
20% of 352 decks +16% synergy
Sensei's Divining Top
15% of 352 decks +10% synergy
Dowsing Dagger
12% of 352 decks +11% synergy
Wishclaw Talisman
11% of 352 decks +5% synergy
Brotherhood Regalia
10% of 97 decks +6% synergy
Wayfarer's Bauble
9% of 352 decks -1% synergy
Grafdigger's Cage
9% of 352 decks +8% synergy
Sword of the Animist
9% of 352 decks +4% synergy
Altar of the Brood
8% of 352 decks +7% synergy
Assassin Gauntlet
8% of 88 decks +6% synergy
Cursed Totem
7% of 352 decks +7% synergy
The One Ring
7% of 271 decks -2% synergy
Mithril Coat
5% of 244 decks -1% synergy
Key to the City
5% of 352 decks +4% synergy
Scroll Rack
5% of 352 decks +4% synergy
Enchantments
Rhystic Study
42% of 352 decks +14% synergy
Mystic Remora
31% of 352 decks +13% synergy
Reconnaissance Mission
29% of 352 decks +24% synergy
Cunning Evasion
26% of 352 decks +25% synergy
Smoke Shroud
19% of 352 decks +18% synergy
Rogue Class
14% of 352 decks +12% synergy
Aqueous Form
14% of 352 decks +10% synergy
Propaganda
13% of 352 decks +1% synergy
Phyrexian Arena
9% of 352 decks -6% synergy
Bitterblossom
9% of 352 decks +4% synergy
Leyline of Transformation
8% of 53 decks +5% synergy
Coastal Piracy
7% of 352 decks +5% synergy
Black Market Connections
7% of 337 decks -4% synergy
Rooftop Bypass
6% of 98 decks +3% synergy
Gossip's Talent
6% of 83 decks +4% synergy
Planeswalkers
Kaito, Dancing Shadow
32% of 301 decks +30% synergy
Utility Lands
Rogue's Passage
55% of 352 decks +35% synergy
Reliquary Tower
49% of 352 decks +20% synergy
Otawara, Soaring City
36% of 352 decks +19% synergy
Bojuka Bog
33% of 352 decks +2% synergy
Creeping Tar Pit
27% of 352 decks +24% synergy
Takenuma, Abandoned Mire
27% of 352 decks +17% synergy
Shizo, Death's Storehouse
23% of 352 decks +18% synergy
Urborg, Tomb of Yawgmoth
22% of 352 decks +12% synergy
Access Tunnel
18% of 352 decks +16% synergy
Mystic Sanctuary
17% of 352 decks +5% synergy
Ancient Tomb
16% of 352 decks +6% synergy
The Black Gate
14% of 242 decks +11% synergy
Cabal Coffers
12% of 352 decks +2% synergy
Temple of the False God
11% of 352 decks +2% synergy
Blinkmoth Nexus
11% of 352 decks +10% synergy
Urza's Saga
11% of 352 decks +4% synergy
Command Beacon
10% of 352 decks +6% synergy
Halimar Depths
10% of 352 decks +7% synergy
Rivendell
9% of 252 decks +3% synergy
Emergence Zone
8% of 352 decks +5% synergy
Minas Morgul, Dark Fortress
8% of 210 decks +5% synergy
Restless Reef
7% of 187 decks +3% synergy
Castle Vantress
5% of 352 decks +1% synergy
Mana Artifacts
Sol Ring
94% of 352 decks +10% synergy
Arcane Signet
90% of 352 decks +18% synergy
Dimir Signet
61% of 352 decks +31% synergy
Talisman of Dominance
60% of 352 decks +29% synergy
Fellwar Stone
37% of 352 decks +16% synergy
Thought Vessel
36% of 352 decks +19% synergy
Mind Stone
21% of 352 decks +3% synergy
Commander's Sphere
20% of 352 decks +4% synergy
Lotus Petal
18% of 352 decks +11% synergy
Mana Crypt
15% of 352 decks +6% synergy
Chrome Mox
14% of 352 decks +8% synergy
Mox Amber
11% of 352 decks +6% synergy
Jeweled Lotus
10% of 352 decks +5% synergy
Mox Diamond
9% of 352 decks +4% synergy
Dimir Keyrune
9% of 352 decks +7% synergy
Decanter of Endless Water
8% of 337 decks +3% synergy
Mox Opal
8% of 352 decks +4% synergy
Mana Vault
7% of 352 decks +0% synergy
Sky Diamond
5% of 352 decks +0% synergy
Lands
Command Tower
88% of 352 decks +14% synergy
Sunken Hollow
66% of 352 decks +31% synergy
Crumbling Necropolis
60% of 5 decks +29% synergy
Watery Grave
56% of 352 decks +15% synergy
Drowned Catacomb
51% of 352 decks +26% synergy
Morphic Pool
50% of 352 decks +24% synergy
Shipwreck Marsh
47% of 352 decks +28% synergy
Dimir Aqueduct
42% of 352 decks +25% synergy
Exotic Orchard
41% of 352 decks +5% synergy
Underground River
39% of 352 decks +20% synergy
Choked Estuary
38% of 352 decks +22% synergy
Tainted Isle
36% of 352 decks +25% synergy
Darkwater Catacombs
35% of 352 decks +20% synergy
Polluted Delta
34% of 352 decks +23% synergy
Clearwater Pathway
31% of 352 decks +21% synergy
Temple of Deceit
30% of 352 decks +13% synergy
Undercity Sewers
22% of 175 decks +8% synergy
Dismal Backwater
18% of 352 decks +12% synergy
Sunken Ruins
18% of 352 decks +13% synergy
Darkslick Shores
18% of 352 decks +13% synergy
Underground Sea
18% of 352 decks +4% synergy
Misty Rainforest
15% of 352 decks +3% synergy
Path of Ancestry
15% of 352 decks -6% synergy
Marsh Flats
15% of 352 decks +4% synergy
Evolving Wilds
15% of 352 decks -6% synergy
Fetid Pools
14% of 352 decks +9% synergy
Flooded Strand
14% of 352 decks +3% synergy
Verdant Catacombs
14% of 352 decks +3% synergy
Bloodstained Mire
13% of 352 decks +2% synergy
Scalding Tarn
12% of 352 decks +2% synergy
Prismatic Vista
12% of 352 decks +7% synergy
Gemstone Caverns
12% of 352 decks +7% synergy
City of Brass
12% of 352 decks +4% synergy
Myriad Landscape
12% of 352 decks -8% synergy
Reflecting Pool
9% of 352 decks +4% synergy
Ice Tunnel
9% of 352 decks +6% synergy
Fabled Passage
9% of 352 decks -1% synergy
Escape Tunnel
8% of 166 decks +6% synergy
Terramorphic Expanse
8% of 352 decks -7% synergy
Mana Confluence
8% of 352 decks +1% synergy
Contaminated Aquifer
8% of 330 decks +5% synergy
Cavern of Souls
6% of 352 decks -1% synergy
Plaza of Heroes
6% of 330 decks +3% synergy
River of Tears
6% of 352 decks +2% synergy
Secluded Courtyard
5% of 352 decks +1% synergy
Soured Springs
5% of 158 decks +3% synergy