Unctus, Grand Metatect
The Watcher in the Water
Opposition

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
It is an opponent's turn.

   Steps

How does this combo work?
1
During an opponent's turn, activate Opposition by tapping a blue creature you control except Unctus.
2
The creature triggers, causing you to loot.
3
The Watcher's first ability triggers, creating a 1/1 Tentacle creature token.
4
Resolve the Opposition ability.
5
Repeat.

   Results

What do I get from this combo?
Infinite self-discard triggers
Near-infinite ETB
Infinite draw triggers
Infinite looting
Near-infinite tapped creature tokens
The Watcher in the Water
1.8%inclusion62 decks3.42K decks
Unctus, Grand Metatect
3.3%inclusion34 decks1.02K decks
Hylda of the Icy Crown
0.1%inclusion7 decks11.8K decks
Tui and La, Moon and Ocean
1.6%inclusion7 decks434 decks
Aboshan, Cephalid Emperor
0.9%inclusion3 decks330 decks
Rhoda, Geist Avenger // Timin, Youthful Geist
0.1%inclusion1 decks1.22K decks
Doc Ock, Sinister Scientist
2.3%inclusion1 decks44 decks
Kels, Fight Fixer
0.1%inclusion1 decks904 decks
Ioreth of the Healing House
0.4%inclusion1 decks247 decks
Kwain, Itinerant Meddler
0.0%inclusion1 decks6.54K decks
Archelos, Lagoon Mystic
0.0%inclusion1 decks4.14K decks
Gran-Gran
0.2%inclusion1 decks525 decks
New Cards
Emeritus of Ideation
17%inclusion1 decks6 decks
15%synergy
Pensive Professor
17%inclusion1 decks6 decks
16%synergy
Krang, the All-Powerful
12%inclusion2 decks17 decks
11%synergy
Baxter, Fly in the Ointment
5.9%inclusion1 decks17 decks
5%synergy
High Synergy Cards
Court Street Denizen
78%inclusion7 decks9 decks
77%synergy
Nadir Kraken
63%inclusion75 decks120 decks
61%synergy
Teferi's Ageless Insight
59%inclusion71 decks120 decks
55%synergy
Chasm Skulker
54%inclusion65 decks120 decks
50%synergy
Psychosis Crawler
53%inclusion63 decks120 decks
50%synergy
Sapphire Medallion
53%inclusion63 decks120 decks
49%synergy
Ominous Seas
52%inclusion62 decks120 decks
49%synergy
Sharae of Numbing Depths
44%inclusion4 decks9 decks
44%synergy
Approach of the Second Sun
44%inclusion4 decks9 decks
41%synergy
Ashnod's Altar
47%inclusion56 decks120 decks
40%synergy
Top Cards
Counterspell
64%inclusion77 decks120 decks
22%synergy
Arcane Denial
51%inclusion61 decks120 decks
31%synergy
Brainstorm
50%inclusion60 decks120 decks
32%synergy
Frantic Search
48%inclusion57 decks120 decks
33%synergy
Laboratory Maniac
45%inclusion54 decks120 decks
40%synergy
Swords to Plowshares
44%inclusion4 decks9 decks
-16%synergy
Junk Winder
42%inclusion50 decks120 decks
40%synergy
High Tide
42%inclusion50 decks120 decks
38%synergy
Kelpie Guide
38%inclusion45 decks120 decks
37%synergy
Verity Circle
38%inclusion45 decks120 decks
37%synergy
Game Changers
Smothering Tithe
44%inclusion4 decks9 decks
24%synergy
Rhystic Study
34%inclusion41 decks120 decks
11%synergy
Thassa's Oracle
20%inclusion24 decks120 decks
14%synergy
Cyclonic Rift
20%inclusion24 decks120 decks
-2%synergy
Consecrated Sphinx
18%inclusion22 decks120 decks
14%synergy
The One Ring
17%inclusion20 decks120 decks
9%synergy
Fierce Guardianship
12%inclusion14 decks120 decks
-6%synergy
Mystical Tutor
11%inclusion13 decks120 decks
-1%synergy
Force of Will
10%inclusion12 decks120 decks
0%synergy
Creatures
Merfolk Looter
36%inclusion43 decks120 decks
35%synergy
Drowned Rusalka
35%inclusion42 decks120 decks
35%synergy
Ioreth of the Healing House
34%inclusion41 decks120 decks
33%synergy
Gideon's Avenger
33%inclusion3 decks9 decks
33%synergy
Icingdeath, Frost Tyrant
33%inclusion3 decks9 decks
33%synergy
Giant Killer
33%inclusion3 decks9 decks
33%synergy
Mondrak, Glory Dominus
33%inclusion3 decks9 decks
27%synergy
Grand Architect
33%inclusion39 decks120 decks
32%synergy
Vizier of Tumbling Sands
32%inclusion38 decks120 decks
31%synergy
Arcanis the Omnipotent
28%inclusion34 decks120 decks
27%synergy
Hullbreaker Horror
28%inclusion34 decks120 decks
20%synergy
Tolarian Kraken
28%inclusion33 decks120 decks
27%synergy
Faerie Mastermind
28%inclusion33 decks120 decks
21%synergy
Nezahal, Primal Tide
27%inclusion32 decks120 decks
24%synergy
Homunculus Horde
26%inclusion27 decks103 decks
25%synergy
Alandra, Sky Dreamer
25%inclusion30 decks120 decks
24%synergy
Aphetto Alchemist
24%inclusion29 decks120 decks
24%synergy
Ledger Shredder
23%inclusion28 decks120 decks
20%synergy
North Pole Patrol
22%inclusion9 decks41 decks
21%synergy
The Unagi of Kyoshi Island
22%inclusion9 decks41 decks
20%synergy
Forensic Researcher
22%inclusion26 decks120 decks
21%synergy
Fatestitcher
22%inclusion26 decks120 decks
21%synergy
Sage of the Falls
21%inclusion25 decks120 decks
21%synergy
Thought Courier
21%inclusion25 decks120 decks
21%synergy
Jace's Archivist
21%inclusion25 decks120 decks
19%synergy
Silver Myr
21%inclusion25 decks120 decks
18%synergy
Hydroelectric Specimen
20%inclusion24 decks119 decks
16%synergy
Wavebreak Hippocamp
20%inclusion24 decks120 decks
19%synergy
Triskaidekaphile
20%inclusion24 decks120 decks
18%synergy
Containment Construct
19%inclusion23 decks120 decks
18%synergy
Kitsa, Otterball Elite
17%inclusion20 decks117 decks
16%synergy
Emrakul's Messenger
17%inclusion20 decks120 decks
15%synergy
Scourge of Fleets
17%inclusion20 decks120 decks
15%synergy
Wonder
16%inclusion19 decks120 decks
12%synergy
Archmage Emeritus
16%inclusion19 decks120 decks
8%synergy
Eluge, the Shoreless Sea
15%inclusion18 decks117 decks
15%synergy
Defiler of Dreams
15%inclusion18 decks120 decks
14%synergy
Bonded Fetch
14%inclusion17 decks120 decks
14%synergy
Ornithopter of Paradise
14%inclusion17 decks120 decks
10%synergy
Mischievous Mystic
14%inclusion14 decks103 decks
12%synergy
Tidewater Minion
13%inclusion16 decks120 decks
13%synergy
Enclave Cryptologist
13%inclusion16 decks120 decks
13%synergy
Clever Conjurer
13%inclusion16 decks120 decks
13%synergy
Twenty-Toed Toad
12%inclusion14 decks117 decks
10%synergy
Monstrosity of the Lake
12%inclusion14 decks120 decks
11%synergy
Omen Hawker
12%inclusion14 decks120 decks
11%synergy
Ghostly Pilferer
12%inclusion14 decks120 decks
9%synergy
Pestered Wellguard
12%inclusion3 decks26 decks
11%synergy
Lyla, Holographic Assistant
11%inclusion6 decks53 decks
11%synergy
Marvin, Murderous Mimic
11%inclusion12 decks110 decks
10%synergy
Instants
Transcendent Message
35%inclusion42 decks120 decks
35%synergy
Rapid Hybridization
35%inclusion42 decks120 decks
26%synergy
Tolarian Winds
34%inclusion41 decks120 decks
33%synergy
Pongify
34%inclusion41 decks120 decks
23%synergy
Dovin's Veto
33%inclusion3 decks9 decks
15%synergy
Generous Gift
33%inclusion3 decks9 decks
12%synergy
Opt
32%inclusion38 decks120 decks
22%synergy
An Offer You Can't Refuse
32%inclusion38 decks120 decks
7%synergy
Dramatic Reversal
31%inclusion37 decks120 decks
27%synergy
Negate
31%inclusion37 decks120 decks
10%synergy
Flow of Knowledge
27%inclusion32 decks120 decks
26%synergy
Pull from Tomorrow
26%inclusion31 decks120 decks
23%synergy
Abjure
25%inclusion30 decks120 decks
25%synergy
Consider
24%inclusion29 decks120 decks
18%synergy
Brainsurge
23%inclusion28 decks120 decks
21%synergy
Sink into Stupor
23%inclusion28 decks120 decks
13%synergy
Borne Upon a Wind
23%inclusion27 decks120 decks
18%synergy
Aetherize
23%inclusion27 decks120 decks
15%synergy
Reality Shift
21%inclusion25 decks120 decks
13%synergy
Meeting of Minds
20%inclusion24 decks120 decks
19%synergy
Keep Watch
20%inclusion24 decks120 decks
19%synergy
Thirst for Discovery
20%inclusion24 decks120 decks
19%synergy
Archmage's Charm
18%inclusion22 decks120 decks
16%synergy
Perilous Research
18%inclusion21 decks120 decks
17%synergy
Cryptic Command
18%inclusion21 decks120 decks
16%synergy
Swan Song
18%inclusion21 decks120 decks
0%synergy
Artistic Refusal
16%inclusion19 decks120 decks
15%synergy
Keep Safe
16%inclusion19 decks120 decks
15%synergy
Three Steps Ahead
16%inclusion19 decks120 decks
13%synergy
Refute
16%inclusion16 decks103 decks
14%synergy
Mana Drain
15%inclusion18 decks120 decks
1%synergy
Harmonized Crescendo
15%inclusion4 decks27 decks
12%synergy
Octopus Form
15%inclusion6 decks41 decks
13%synergy
Turnabout
14%inclusion17 decks120 decks
13%synergy
Read the Runes
13%inclusion15 decks120 decks
12%synergy
Retraction Helix
12%inclusion14 decks120 decks
11%synergy
Dream Fracture
12%inclusion14 decks120 decks
11%synergy
Muddle the Mixture
12%inclusion14 decks120 decks
7%synergy
Resculpt
11%inclusion13 decks120 decks
7%synergy
Snap
11%inclusion13 decks120 decks
3%synergy
Circular Logic
10%inclusion12 decks120 decks
10%synergy
Mystic Confluence
10%inclusion12 decks120 decks
8%synergy
Dispel
10%inclusion12 decks120 decks
7%synergy
Blue Sun's Zenith
9.2%inclusion11 decks120 decks
7%synergy
Unwind
9.2%inclusion11 decks120 decks
6%synergy
Force of Negation
8.3%inclusion10 decks120 decks
0%synergy
Deduce
7.5%inclusion9 decks120 decks
7%synergy
Quick Study
7.5%inclusion9 decks120 decks
6%synergy
Shore Up
7.5%inclusion9 decks120 decks
6%synergy
Dig Through Time
7.5%inclusion9 decks120 decks
3%synergy
Sorceries
Split Up
50%inclusion3 decks6 decks
48%synergy
Don't Move
33%inclusion3 decks9 decks
33%synergy
Whelming Wave
23%inclusion28 decks120 decks
22%synergy
Spectral Deluge
16%inclusion19 decks120 decks
15%synergy
Windfall
14%inclusion17 decks120 decks
3%synergy
Spirit Water Revival
10%inclusion4 decks41 decks
8%synergy
Lórien Revealed
9.2%inclusion11 decks120 decks
7%synergy
Fabricate
9.2%inclusion11 decks120 decks
4%synergy
Treasure Cruise
8.3%inclusion10 decks120 decks
4%synergy
Ponder
8.3%inclusion10 decks120 decks
-3%synergy
Crashing Wave
7.5%inclusion3 decks40 decks
7%synergy
Irenicus's Vile Duplication
7.5%inclusion9 decks120 decks
4%synergy
Borrowing 100,000 Arrows
6.7%inclusion8 decks120 decks
6%synergy
Curse of the Swine
6.7%inclusion8 decks120 decks
3%synergy
Sea Gate Restoration
6.7%inclusion8 decks120 decks
3%synergy
Waterbending Lesson
5.9%inclusion3 decks51 decks
5%synergy
Hidden Strings
5.8%inclusion7 decks120 decks
5%synergy
Preordain
5.8%inclusion7 decks120 decks
-3%synergy
Utility Artifacts
Symmetry Matrix
37%inclusion44 decks120 decks
36%synergy
Shorikai, Genesis Engine
33%inclusion3 decks9 decks
31%synergy
Skullclamp
28%inclusion33 decks120 decks
16%synergy
Phyrexian Altar
23%inclusion27 decks120 decks
19%synergy
Swiftfoot Boots
21%inclusion25 decks120 decks
-6%synergy
Idol of Oblivion
19%inclusion23 decks120 decks
14%synergy
Lightning Greaves
18%inclusion21 decks120 decks
-7%synergy
Waterbending Scroll
16%inclusion6 decks38 decks
15%synergy
Alhammarret's Archive
14%inclusion17 decks120 decks
13%synergy
Wayfarer's Bauble
14%inclusion17 decks120 decks
7%synergy
Monument to Endurance
14%inclusion12 decks88 decks
12%synergy
Thopter Fabricator
13%inclusion12 decks89 decks
13%synergy
Isochron Scepter
13%inclusion16 decks120 decks
11%synergy
Bag of Holding
13%inclusion15 decks120 decks
12%synergy
Hylda's Crown of Winter
11%inclusion13 decks120 decks
11%synergy
Smuggler's Copter
10%inclusion12 decks120 decks
9%synergy
Synthesizer Labship
8.9%inclusion5 decks56 decks
9%synergy
Kefnet's Monument
8.3%inclusion10 decks120 decks
8%synergy
Blasting Station
8.3%inclusion10 decks120 decks
8%synergy
Eldrazi Monument
8.3%inclusion10 decks120 decks
7%synergy
The Lunar Whale
8.2%inclusion5 decks61 decks
8%synergy
Elixir of Immortality
7.5%inclusion9 decks120 decks
6%synergy
Uthros Research Craft
7.1%inclusion4 decks56 decks
5%synergy
Dragon Throne of Tarkir
6.7%inclusion8 decks120 decks
6%synergy
Sting, the Glinting Dagger
6.7%inclusion8 decks120 decks
6%synergy
The Indomitable
6.7%inclusion8 decks120 decks
5%synergy
Library of Leng
5.8%inclusion7 decks120 decks
5%synergy
Encroaching Mycosynth
5.8%inclusion7 decks120 decks
5%synergy
Illusionist's Bracers
5.8%inclusion7 decks120 decks
5%synergy
Vedalken Orrery
5.8%inclusion7 decks120 decks
5%synergy
Manifold Key
5.8%inclusion7 decks120 decks
4%synergy
Insight Engine
5.4%inclusion3 decks56 decks
3%synergy
Enchantments
Mystic Remora
36%inclusion43 decks120 decks
20%synergy
Citadel Siege
33%inclusion3 decks9 decks
33%synergy
Wizard Class
28%inclusion33 decks120 decks
23%synergy
Intruder Alarm
26%inclusion31 decks120 decks
24%synergy
Freed from the Real
23%inclusion28 decks120 decks
21%synergy
Kindred Discovery
23%inclusion28 decks120 decks
17%synergy
Unstoppable Plan
22%inclusion19 decks88 decks
20%synergy
Pemmin's Aura
17%inclusion20 decks120 decks
15%synergy
Psychic Corrosion
14%inclusion17 decks120 decks
12%synergy
Propaganda
14%inclusion17 decks120 decks
0%synergy
Mind Over Matter
13%inclusion16 decks120 decks
13%synergy
Leyline of Anticipation
13%inclusion16 decks120 decks
9%synergy
Mystic Redaction
12%inclusion14 decks120 decks
11%synergy
Drake Haven
12%inclusion14 decks120 decks
11%synergy
Lost in the Maze
12%inclusion14 decks120 decks
11%synergy
Proft's Eidetic Memory
12%inclusion14 decks120 decks
10%synergy
Imprisoned in the Moon
11%inclusion13 decks120 decks
7%synergy
Ever-Watching Threshold
10%inclusion12 decks120 decks
10%synergy
Second Wind
9.2%inclusion11 decks120 decks
9%synergy
Retreat to Coralhelm
9.2%inclusion11 decks120 decks
7%synergy
Thought Reflection
8.3%inclusion10 decks120 decks
8%synergy
Psychic Possession
7.5%inclusion9 decks120 decks
7%synergy
Curse of Verbosity
7.5%inclusion9 decks120 decks
7%synergy
Moonlit Meditation
7.1%inclusion4 decks56 decks
6%synergy
Aura of Dominion
6.7%inclusion8 decks120 decks
6%synergy
Battles
Invasion of Segovia
27%inclusion32 decks120 decks
26%synergy
Planeswalkers
Teferi, Who Slows the Sunset
33%inclusion3 decks9 decks
32%synergy
Jace, Wielder of Mysteries
29%inclusion35 decks120 decks
26%synergy
Teferi, Master of Time
22%inclusion26 decks120 decks
20%synergy
Teferi, Temporal Pilgrim
11%inclusion13 decks120 decks
10%synergy
Utility Lands
Reliquary Tower
68%inclusion81 decks120 decks
38%synergy
Mystic Sanctuary
40%inclusion48 decks120 decks
30%synergy
War Room
24%inclusion29 decks120 decks
18%synergy
Lonely Sandbar
23%inclusion27 decks120 decks
20%synergy
Nesting Grounds
18%inclusion22 decks120 decks
16%synergy
Otawara, Soaring City
18%inclusion21 decks120 decks
1%synergy
Mikokoro, Center of the Sea
16%inclusion19 decks120 decks
14%synergy
Terrain Generator
13%inclusion16 decks120 decks
12%synergy
Rivendell
13%inclusion16 decks120 decks
10%synergy
Cephalid Coliseum
13%inclusion16 decks120 decks
10%synergy
Minamo, School at Water's Edge
13%inclusion16 decks120 decks
9%synergy
Fountainport
13%inclusion15 decks117 decks
11%synergy
Nykthos, Shrine to Nyx
13%inclusion15 decks120 decks
7%synergy
Geier Reach Sanitarium
12%inclusion14 decks120 decks
9%synergy
Academy Ruins
12%inclusion14 decks120 decks
6%synergy
Emergence Zone
11%inclusion13 decks120 decks
8%synergy
Castle Vantress
11%inclusion13 decks120 decks
8%synergy
Seat of the Synod
11%inclusion13 decks120 decks
4%synergy
Three Tree City
10%inclusion12 decks117 decks
5%synergy
Archway of Innovation
10%inclusion12 decks119 decks
7%synergy
Agna Qel'a
10%inclusion4 decks40 decks
8%synergy
Rogue's Passage
10%inclusion12 decks120 decks
-10%synergy
Uthros, Titanic Godcore
8.9%inclusion5 decks56 decks
6%synergy
Mistrise Village
8.4%inclusion7 decks83 decks
1%synergy
Sunken Palace
7.6%inclusion9 decks119 decks
7%synergy
Remote Isle
7.5%inclusion9 decks120 decks
7%synergy
Buried Ruin
7.5%inclusion9 decks120 decks
3%synergy
Temple of the False God
7.5%inclusion9 decks120 decks
-1%synergy
Coral Atoll
6.7%inclusion8 decks120 decks
6%synergy
Desert of the Mindful
6.7%inclusion8 decks120 decks
6%synergy
Lotus Field
6.7%inclusion8 decks120 decks
5%synergy
High Market
6.7%inclusion8 decks120 decks
4%synergy
The Surgical Bay
5.8%inclusion7 decks120 decks
6%synergy
Bonders' Enclave
5.8%inclusion7 decks120 decks
3%synergy
Urza's Saga
5.8%inclusion7 decks120 decks
-1%synergy
Mana Artifacts
Sol Ring
91%inclusion109 decks120 decks
7%synergy
Arcane Signet
68%inclusion82 decks120 decks
-4%synergy
Mind Stone
48%inclusion57 decks120 decks
33%synergy
Thought Vessel
47%inclusion56 decks120 decks
29%synergy
Midnight Clock
28%inclusion33 decks120 decks
23%synergy
Springleaf Drum
25%inclusion30 decks120 decks
23%synergy
Sky Diamond
24%inclusion29 decks120 decks
20%synergy
Decanter of Endless Water
23%inclusion28 decks120 decks
20%synergy
Relic of Legends
19%inclusion23 decks120 decks
17%synergy
Fellwar Stone
19%inclusion23 decks120 decks
-1%synergy
Paradise Mantle
18%inclusion22 decks120 decks
17%synergy
Bender's Waterskin
18%inclusion9 decks51 decks
15%synergy
Moonsnare Prototype
16%inclusion19 decks120 decks
15%synergy
Commander's Sphere
16%inclusion19 decks120 decks
4%synergy
Extraplanar Lens
9.2%inclusion11 decks120 decks
8%synergy
Throne of Eldraine
9.2%inclusion11 decks120 decks
7%synergy
Caged Sun
9.2%inclusion11 decks120 decks
7%synergy
Everflowing Chalice
9.2%inclusion11 decks120 decks
5%synergy
The Eternity Elevator
7.1%inclusion4 decks56 decks
6%synergy
Basalt Monolith
6.7%inclusion8 decks120 decks
4%synergy
Thran Dynamo
6.7%inclusion8 decks120 decks
2%synergy
Heraldic Banner
5.8%inclusion7 decks120 decks
4%synergy
Lands
Azorius Chancery
78%inclusion7 decks9 decks
65%synergy
Port Town
56%inclusion5 decks9 decks
41%synergy
Prairie Stream
56%inclusion5 decks9 decks
23%synergy
Glacial Fortress
56%inclusion5 decks9 decks
22%synergy
Hengegate Pathway
33%inclusion3 decks9 decks
27%synergy
Irrigated Farmland
33%inclusion3 decks9 decks
26%synergy
Deserted Beach
33%inclusion3 decks9 decks
17%synergy
Hallowed Fountain
33%inclusion3 decks9 decks
-7%synergy
Myriad Landscape
24%inclusion29 decks120 decks
9%synergy
Holdout Settlement
8.3%inclusion10 decks120 decks
8%synergy
Demolition Field
8.3%inclusion10 decks120 decks
5%synergy
Survivors' Encampment
7.5%inclusion9 decks120 decks
7%synergy
The Mycosynth Gardens
6.7%inclusion8 decks120 decks
5%synergy
Command Tower
5.8%inclusion7 decks120 decks
-68%synergy