Unctus, Grand Metatect
The Watcher in the Water
Mothdust Changeling

   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 Mothdust Changeling 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 Mothdust Changeling 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
Unctus, Grand Metatect
0.7%inclusion7 decks992 decks
Tui and La, Moon and Ocean
1.9%inclusion7 decks375 decks
The Watcher in the Water
0.1%inclusion4 decks3.31K decks
Aboshan, Cephalid Emperor
0.3%inclusion1 decks317 decks
Korlessa, Scale Singer
0.2%inclusion1 decks507 decks
New Cards
Krang, the All-Powerful
25%inclusion1 decks4 decks
24%synergy
Flitterwing Nuisance
14%inclusion1 decks7 decks
13%synergy
Pestered Wellguard
14%inclusion1 decks7 decks
14%synergy
Loch Mare
14%inclusion1 decks7 decks
14%synergy
High Synergy Cards
Chasm Skulker
80%inclusion16 decks20 decks
76%synergy
Laboratory Maniac
65%inclusion13 decks20 decks
60%synergy
Grand Architect
60%inclusion12 decks20 decks
60%synergy
Opposition
60%inclusion12 decks20 decks
59%synergy
Kelpie Guide
60%inclusion12 decks20 decks
59%synergy
Ioreth of the Healing House
55%inclusion11 decks20 decks
54%synergy
Psychosis Crawler
55%inclusion11 decks20 decks
52%synergy
Ominous Seas
50%inclusion10 decks20 decks
48%synergy
Dramatic Reversal
50%inclusion10 decks20 decks
46%synergy
Vizier of Tumbling Sands
45%inclusion9 decks20 decks
44%synergy
Top Cards
Rapid Hybridization
50%inclusion10 decks20 decks
41%synergy
Counterspell
50%inclusion10 decks20 decks
8%synergy
Sapphire Medallion
45%inclusion9 decks20 decks
42%synergy
Teferi's Ageless Insight
45%inclusion9 decks20 decks
40%synergy
Arcane Denial
45%inclusion9 decks20 decks
25%synergy
Homunculus Horde
44%inclusion8 decks18 decks
43%synergy
Forensic Researcher
40%inclusion8 decks20 decks
40%synergy
Fatestitcher
40%inclusion8 decks20 decks
39%synergy
Alandra, Sky Dreamer
40%inclusion8 decks20 decks
39%synergy
Nadir Kraken
40%inclusion8 decks20 decks
39%synergy
Game Changers
Rhystic Study
20%inclusion4 decks20 decks
-3%synergy
Thassa's Oracle
15%inclusion3 decks20 decks
9%synergy
Creatures
Silver Myr
40%inclusion8 decks20 decks
37%synergy
Hydroelectric Specimen
35%inclusion7 decks20 decks
31%synergy
Ornithopter of Paradise
35%inclusion7 decks20 decks
31%synergy
Marvin, Murderous Mimic
32%inclusion6 decks19 decks
30%synergy
North Pole Patrol
31%inclusion4 decks13 decks
30%synergy
Aphetto Alchemist
30%inclusion6 decks20 decks
29%synergy
Containment Construct
30%inclusion6 decks20 decks
29%synergy
Tolarian Kraken
25%inclusion5 decks20 decks
25%synergy
Arcanis the Omnipotent
25%inclusion5 decks20 decks
24%synergy
Emrakul's Messenger
25%inclusion5 decks20 decks
24%synergy
Triskaidekaphile
25%inclusion5 decks20 decks
23%synergy
Mischievous Mystic
22%inclusion4 decks18 decks
21%synergy
High Fae Trickster
22%inclusion4 decks18 decks
19%synergy
Bonded Fetch
20%inclusion4 decks20 decks
20%synergy
Pili-Pala
20%inclusion4 decks20 decks
20%synergy
Chakram Retriever
20%inclusion4 decks20 decks
19%synergy
Omen Hawker
20%inclusion4 decks20 decks
19%synergy
Junk Winder
20%inclusion4 decks20 decks
18%synergy
Twenty-Toed Toad
20%inclusion4 decks20 decks
18%synergy
Phyrexian Metamorph
20%inclusion4 decks20 decks
13%synergy
Hullbreaker Horror
20%inclusion4 decks20 decks
12%synergy
Scrounging Skyray
18%inclusion3 decks17 decks
17%synergy
Sage of the Falls
15%inclusion3 decks20 decks
15%synergy
Horseshoe Crab
15%inclusion3 decks20 decks
15%synergy
Clever Conjurer
15%inclusion3 decks20 decks
15%synergy
Amoeboid Changeling
15%inclusion3 decks20 decks
14%synergy
Volatile Stormdrake
15%inclusion3 decks20 decks
13%synergy
The Reality Chip
15%inclusion3 decks20 decks
12%synergy
Ledger Shredder
15%inclusion3 decks20 decks
12%synergy
Faerie Mastermind
15%inclusion3 decks20 decks
8%synergy
Instants
High Tide
40%inclusion8 decks20 decks
36%synergy
Sink into Stupor
40%inclusion8 decks20 decks
30%synergy
Pongify
40%inclusion8 decks20 decks
29%synergy
Magic Damper
38%inclusion5 decks13 decks
37%synergy
Shore Up
35%inclusion7 decks20 decks
33%synergy
Reality Shift
35%inclusion7 decks20 decks
27%synergy
Brainstorm
35%inclusion7 decks20 decks
17%synergy
An Offer You Can't Refuse
35%inclusion7 decks20 decks
10%synergy
Octopus Form
31%inclusion4 decks13 decks
29%synergy
Frantic Search
30%inclusion6 decks20 decks
15%synergy
Negate
30%inclusion6 decks20 decks
9%synergy
Unwind
25%inclusion5 decks20 decks
22%synergy
Muddle the Mixture
25%inclusion5 decks20 decks
21%synergy
Swan Song
25%inclusion5 decks20 decks
7%synergy
Banishing Knack
20%inclusion4 decks20 decks
20%synergy
Meeting of Minds
20%inclusion4 decks20 decks
19%synergy
Retraction Helix
20%inclusion4 decks20 decks
19%synergy
March of Swirling Mist
20%inclusion4 decks20 decks
18%synergy
Three Steps Ahead
20%inclusion4 decks20 decks
17%synergy
Resculpt
20%inclusion4 decks20 decks
16%synergy
Dig Through Time
20%inclusion4 decks20 decks
16%synergy
Twiddle
15%inclusion3 decks20 decks
15%synergy
Circular Logic
15%inclusion3 decks20 decks
15%synergy
Abjure
15%inclusion3 decks20 decks
15%synergy
Cerulean Wisps
15%inclusion3 decks20 decks
14%synergy
Turnabout
15%inclusion3 decks20 decks
14%synergy
Whir of Invention
15%inclusion3 decks20 decks
13%synergy
Sorceries
Spirit Water Revival
23%inclusion3 decks13 decks
21%synergy
Hidden Strings
20%inclusion4 decks20 decks
19%synergy
Artful Dodge
20%inclusion4 decks20 decks
19%synergy
Fabricate
20%inclusion4 decks20 decks
15%synergy
Enter the Enigma
16%inclusion3 decks19 decks
13%synergy
Energy Tap
15%inclusion3 decks20 decks
15%synergy
Spectral Deluge
15%inclusion3 decks20 decks
14%synergy
Wave Goodbye
15%inclusion3 decks20 decks
13%synergy
Windfall
15%inclusion3 decks20 decks
3%synergy
Utility Artifacts
Swiftfoot Boots
30%inclusion6 decks20 decks
3%synergy
Lightning Greaves
25%inclusion5 decks20 decks
0%synergy
Thopter Fabricator
24%inclusion4 decks17 decks
23%synergy
Smuggler's Copter
20%inclusion4 decks20 decks
19%synergy
Ashnod's Altar
20%inclusion4 decks20 decks
14%synergy
Monument to Endurance
18%inclusion3 decks17 decks
16%synergy
Fishing Pole
17%inclusion3 decks18 decks
17%synergy
Symmetry Matrix
15%inclusion3 decks20 decks
15%synergy
Kefnet's Monument
15%inclusion3 decks20 decks
15%synergy
Encroaching Mycosynth
15%inclusion3 decks20 decks
14%synergy
Clock of Omens
15%inclusion3 decks20 decks
14%synergy
Sting, the Glinting Dagger
15%inclusion3 decks20 decks
14%synergy
Imposter Mech
15%inclusion3 decks20 decks
13%synergy
Thousand-Year Elixir
15%inclusion3 decks20 decks
13%synergy
Isochron Scepter
15%inclusion3 decks20 decks
13%synergy
Phyrexian Altar
15%inclusion3 decks20 decks
11%synergy
Sensei's Divining Top
15%inclusion3 decks20 decks
11%synergy
Enchantments
Retreat to Coralhelm
40%inclusion8 decks20 decks
38%synergy
Unstoppable Plan
35%inclusion6 decks17 decks
33%synergy
Second Wind
35%inclusion7 decks20 decks
35%synergy
Intruder Alarm
35%inclusion7 decks20 decks
33%synergy
Pemmin's Aura
30%inclusion6 decks20 decks
29%synergy
Aura of Dominion
25%inclusion5 decks20 decks
25%synergy
Verity Circle
25%inclusion5 decks20 decks
24%synergy
Freed from the Real
25%inclusion5 decks20 decks
23%synergy
Wizard Class
25%inclusion5 decks20 decks
21%synergy
Mystic Remora
25%inclusion5 decks20 decks
9%synergy
Crab Umbra
20%inclusion4 decks20 decks
20%synergy
Imprisoned in the Moon
20%inclusion4 decks20 decks
16%synergy
Lost in the Maze
15%inclusion3 decks20 decks
15%synergy
Proft's Eidetic Memory
15%inclusion3 decks20 decks
13%synergy
Kindred Discovery
15%inclusion3 decks20 decks
8%synergy
Propaganda
15%inclusion3 decks20 decks
1%synergy
Battles
Invasion of Segovia
25%inclusion5 decks20 decks
24%synergy
Planeswalkers
Jace, Wielder of Mysteries
40%inclusion8 decks20 decks
37%synergy
Teferi, Temporal Pilgrim
15%inclusion3 decks20 decks
14%synergy
Teferi, Master of Time
15%inclusion3 decks20 decks
13%synergy
Utility Lands
Mystic Sanctuary
50%inclusion10 decks20 decks
40%synergy
Reliquary Tower
50%inclusion10 decks20 decks
20%synergy
Agna Qel'a
33%inclusion4 decks12 decks
31%synergy
Lonely Sandbar
25%inclusion5 decks20 decks
22%synergy
Mistrise Village
25%inclusion4 decks16 decks
17%synergy
Otawara, Soaring City
25%inclusion5 decks20 decks
9%synergy
Rogue's Passage
25%inclusion5 decks20 decks
5%synergy
Uthros, Titanic Godcore
23%inclusion3 decks13 decks
20%synergy
Coral Atoll
20%inclusion4 decks20 decks
19%synergy
Rivendell
20%inclusion4 decks20 decks
17%synergy
Cephalid Coliseum
20%inclusion4 decks20 decks
17%synergy
Minamo, School at Water's Edge
20%inclusion4 decks20 decks
15%synergy
Emergence Zone
15%inclusion3 decks20 decks
13%synergy
Archway of Innovation
15%inclusion3 decks20 decks
12%synergy
Castle Vantress
15%inclusion3 decks20 decks
12%synergy
War Room
15%inclusion3 decks20 decks
9%synergy
Seat of the Synod
15%inclusion3 decks20 decks
8%synergy
Mana Artifacts
Sol Ring
80%inclusion16 decks20 decks
-4%synergy
Arcane Signet
75%inclusion15 decks20 decks
3%synergy
Springleaf Drum
65%inclusion13 decks20 decks
63%synergy
Thought Vessel
45%inclusion9 decks20 decks
28%synergy
The Eternity Elevator
38%inclusion5 decks13 decks
37%synergy
Paradise Mantle
35%inclusion7 decks20 decks
34%synergy
Moonsnare Prototype
30%inclusion6 decks20 decks
30%synergy
Relic of Legends
25%inclusion5 decks20 decks
23%synergy
Mind Stone
25%inclusion5 decks20 decks
11%synergy
Bender's Waterskin
23%inclusion3 decks13 decks
20%synergy
Honor-Worn Shaku
15%inclusion3 decks20 decks
15%synergy
Patriar's Seal
15%inclusion3 decks20 decks
14%synergy
Decanter of Endless Water
15%inclusion3 decks20 decks
11%synergy
Lands
Holdout Settlement
40%inclusion8 decks20 decks
39%synergy
Myriad Landscape
40%inclusion8 decks20 decks
24%synergy
Survivors' Encampment
35%inclusion7 decks20 decks
34%synergy
Scene of the Crime
15%inclusion3 decks20 decks
14%synergy