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 decks979 decks
Tui and La, Moon and Ocean
2.0%inclusion7 decks343 decks
The Watcher in the Water
0.1%inclusion2 decks3.26K decks
Aboshan, Cephalid Emperor
0.3%inclusion1 decks315 decks
Korlessa, Scale Singer
0.2%inclusion1 decks489 decks
New Cards
Pestered Wellguard
25%inclusion1 decks4 decks
25%synergy
Loch Mare
25%inclusion1 decks4 decks
25%synergy
High Synergy Cards
Chasm Skulker
78%inclusion14 decks18 decks
74%synergy
Kelpie Guide
67%inclusion12 decks18 decks
66%synergy
Laboratory Maniac
67%inclusion12 decks18 decks
62%synergy
Grand Architect
61%inclusion11 decks18 decks
61%synergy
Opposition
61%inclusion11 decks18 decks
61%synergy
Ioreth of the Healing House
61%inclusion11 decks18 decks
60%synergy
Psychosis Crawler
56%inclusion10 decks18 decks
53%synergy
Dramatic Reversal
56%inclusion10 decks18 decks
51%synergy
Vizier of Tumbling Sands
50%inclusion9 decks18 decks
49%synergy
Homunculus Horde
50%inclusion8 decks16 decks
48%synergy
Top Cards
Ominous Seas
50%inclusion9 decks18 decks
48%synergy
Magic Damper
45%inclusion5 decks11 decks
44%synergy
Forensic Researcher
44%inclusion8 decks18 decks
44%synergy
Fatestitcher
44%inclusion8 decks18 decks
44%synergy
Alandra, Sky Dreamer
44%inclusion8 decks18 decks
43%synergy
Retreat to Coralhelm
44%inclusion8 decks18 decks
42%synergy
Silver Myr
44%inclusion8 decks18 decks
42%synergy
Sapphire Medallion
44%inclusion8 decks18 decks
41%synergy
Rapid Hybridization
44%inclusion8 decks18 decks
35%synergy
Arcane Denial
44%inclusion8 decks18 decks
24%synergy
Game Changers
Rhystic Study
17%inclusion3 decks18 decks
-7%synergy
Creatures
Hydroelectric Specimen
39%inclusion7 decks18 decks
35%synergy
North Pole Patrol
36%inclusion4 decks11 decks
36%synergy
Marvin, Murderous Mimic
35%inclusion6 decks17 decks
34%synergy
Aphetto Alchemist
33%inclusion6 decks18 decks
33%synergy
Containment Construct
33%inclusion6 decks18 decks
33%synergy
Nadir Kraken
33%inclusion6 decks18 decks
32%synergy
Ornithopter of Paradise
33%inclusion6 decks18 decks
29%synergy
Arcanis the Omnipotent
28%inclusion5 decks18 decks
27%synergy
Emrakul's Messenger
28%inclusion5 decks18 decks
27%synergy
Mischievous Mystic
25%inclusion4 decks16 decks
24%synergy
Bonded Fetch
22%inclusion4 decks18 decks
22%synergy
Tolarian Kraken
22%inclusion4 decks18 decks
22%synergy
Pili-Pala
22%inclusion4 decks18 decks
22%synergy
Chakram Retriever
22%inclusion4 decks18 decks
22%synergy
Omen Hawker
22%inclusion4 decks18 decks
22%synergy
Phyrexian Metamorph
22%inclusion4 decks18 decks
15%synergy
Scrounging Skyray
20%inclusion3 decks15 decks
20%synergy
High Fae Trickster
19%inclusion3 decks16 decks
15%synergy
Horseshoe Crab
17%inclusion3 decks18 decks
16%synergy
Clever Conjurer
17%inclusion3 decks18 decks
16%synergy
Amoeboid Changeling
17%inclusion3 decks18 decks
16%synergy
Volatile Stormdrake
17%inclusion3 decks18 decks
15%synergy
Twenty-Toed Toad
17%inclusion3 decks18 decks
15%synergy
Triskaidekaphile
17%inclusion3 decks18 decks
14%synergy
The Reality Chip
17%inclusion3 decks18 decks
13%synergy
Faerie Mastermind
17%inclusion3 decks18 decks
10%synergy
Hullbreaker Horror
17%inclusion3 decks18 decks
9%synergy
Instants
Sink into Stupor
44%inclusion8 decks18 decks
34%synergy
Counterspell
44%inclusion8 decks18 decks
3%synergy
Shore Up
39%inclusion7 decks18 decks
37%synergy
High Tide
39%inclusion7 decks18 decks
35%synergy
Octopus Form
36%inclusion4 decks11 decks
34%synergy
Reality Shift
33%inclusion6 decks18 decks
25%synergy
Pongify
33%inclusion6 decks18 decks
22%synergy
An Offer You Can't Refuse
33%inclusion6 decks18 decks
9%synergy
Unwind
28%inclusion5 decks18 decks
25%synergy
Muddle the Mixture
28%inclusion5 decks18 decks
23%synergy
Brainstorm
28%inclusion5 decks18 decks
9%synergy
Negate
28%inclusion5 decks18 decks
7%synergy
Banishing Knack
22%inclusion4 decks18 decks
22%synergy
Retraction Helix
22%inclusion4 decks18 decks
22%synergy
March of Swirling Mist
22%inclusion4 decks18 decks
20%synergy
Resculpt
22%inclusion4 decks18 decks
19%synergy
Dig Through Time
22%inclusion4 decks18 decks
18%synergy
Frantic Search
22%inclusion4 decks18 decks
8%synergy
Twiddle
17%inclusion3 decks18 decks
16%synergy
Circular Logic
17%inclusion3 decks18 decks
16%synergy
Meeting of Minds
17%inclusion3 decks18 decks
16%synergy
Cerulean Wisps
17%inclusion3 decks18 decks
16%synergy
Turnabout
17%inclusion3 decks18 decks
16%synergy
Whir of Invention
17%inclusion3 decks18 decks
14%synergy
Swan Song
17%inclusion3 decks18 decks
-1%synergy
Sorceries
Spirit Water Revival
27%inclusion3 decks11 decks
25%synergy
Hidden Strings
22%inclusion4 decks18 decks
22%synergy
Artful Dodge
22%inclusion4 decks18 decks
21%synergy
Fabricate
22%inclusion4 decks18 decks
17%synergy
Enter the Enigma
18%inclusion3 decks17 decks
15%synergy
Energy Tap
17%inclusion3 decks18 decks
16%synergy
Wave Goodbye
17%inclusion3 decks18 decks
15%synergy
Utility Artifacts
Lightning Greaves
28%inclusion5 decks18 decks
3%synergy
Swiftfoot Boots
28%inclusion5 decks18 decks
1%synergy
Thopter Fabricator
27%inclusion4 decks15 decks
26%synergy
Smuggler's Copter
22%inclusion4 decks18 decks
21%synergy
Monument to Endurance
20%inclusion3 decks15 decks
18%synergy
Fishing Pole
19%inclusion3 decks16 decks
19%synergy
Kefnet's Monument
17%inclusion3 decks18 decks
16%synergy
Encroaching Mycosynth
17%inclusion3 decks18 decks
16%synergy
Clock of Omens
17%inclusion3 decks18 decks
16%synergy
Sting, the Glinting Dagger
17%inclusion3 decks18 decks
16%synergy
Imposter Mech
17%inclusion3 decks18 decks
15%synergy
Thousand-Year Elixir
17%inclusion3 decks18 decks
15%synergy
Isochron Scepter
17%inclusion3 decks18 decks
15%synergy
Sensei's Divining Top
17%inclusion3 decks18 decks
12%synergy
Enchantments
Unstoppable Plan
40%inclusion6 decks15 decks
38%synergy
Second Wind
39%inclusion7 decks18 decks
39%synergy
Intruder Alarm
39%inclusion7 decks18 decks
37%synergy
Teferi's Ageless Insight
39%inclusion7 decks18 decks
34%synergy
Aura of Dominion
33%inclusion6 decks18 decks
33%synergy
Pemmin's Aura
33%inclusion6 decks18 decks
32%synergy
Freed from the Real
28%inclusion5 decks18 decks
26%synergy
Crab Umbra
22%inclusion4 decks18 decks
22%synergy
Imprisoned in the Moon
22%inclusion4 decks18 decks
18%synergy
Wizard Class
22%inclusion4 decks18 decks
18%synergy
Mystic Remora
22%inclusion4 decks18 decks
6%synergy
Verity Circle
17%inclusion3 decks18 decks
16%synergy
Proft's Eidetic Memory
17%inclusion3 decks18 decks
15%synergy
Propaganda
17%inclusion3 decks18 decks
3%synergy
Battles
Invasion of Segovia
28%inclusion5 decks18 decks
27%synergy
Planeswalkers
Jace, Wielder of Mysteries
33%inclusion6 decks18 decks
30%synergy
Teferi, Temporal Pilgrim
17%inclusion3 decks18 decks
16%synergy
Utility Lands
Mystic Sanctuary
50%inclusion9 decks18 decks
40%synergy
Reliquary Tower
50%inclusion9 decks18 decks
20%synergy
Agna Qel'a
30%inclusion3 decks10 decks
27%synergy
Otawara, Soaring City
28%inclusion5 decks18 decks
11%synergy
Rogue's Passage
28%inclusion5 decks18 decks
8%synergy
Uthros, Titanic Godcore
27%inclusion3 decks11 decks
24%synergy
Coral Atoll
22%inclusion4 decks18 decks
22%synergy
Lonely Sandbar
22%inclusion4 decks18 decks
19%synergy
Rivendell
22%inclusion4 decks18 decks
19%synergy
Cephalid Coliseum
22%inclusion4 decks18 decks
19%synergy
Mistrise Village
21%inclusion3 decks14 decks
14%synergy
Archway of Innovation
17%inclusion3 decks18 decks
13%synergy
Castle Vantress
17%inclusion3 decks18 decks
13%synergy
Minamo, School at Water's Edge
17%inclusion3 decks18 decks
12%synergy
Seat of the Synod
17%inclusion3 decks18 decks
10%synergy
Mana Artifacts
Sol Ring
78%inclusion14 decks18 decks
-6%synergy
Springleaf Drum
72%inclusion13 decks18 decks
70%synergy
Arcane Signet
72%inclusion13 decks18 decks
0%synergy
The Eternity Elevator
45%inclusion5 decks11 decks
44%synergy
Paradise Mantle
39%inclusion7 decks18 decks
38%synergy
Thought Vessel
39%inclusion7 decks18 decks
21%synergy
Moonsnare Prototype
33%inclusion6 decks18 decks
33%synergy
Relic of Legends
28%inclusion5 decks18 decks
25%synergy
Mind Stone
22%inclusion4 decks18 decks
8%synergy
Honor-Worn Shaku
17%inclusion3 decks18 decks
16%synergy
Patriar's Seal
17%inclusion3 decks18 decks
15%synergy
Decanter of Endless Water
17%inclusion3 decks18 decks
13%synergy
Lands
Holdout Settlement
44%inclusion8 decks18 decks
44%synergy
Survivors' Encampment
39%inclusion7 decks18 decks
38%synergy
Myriad Landscape
39%inclusion7 decks18 decks
23%synergy
Scene of the Crime
17%inclusion3 decks18 decks
16%synergy