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
Tui and La, Moon and Ocean
1.6%inclusion4 decks247 decks
Top Commanders
Unctus, Grand Metatect
0.7%inclusion7 decks981 decks
The Watcher in the Water
0.1%inclusion2 decks3.15K decks
Aboshan, Cephalid Emperor
0.6%inclusion2 decks314 decks
Korlessa, Scale Singer
0.2%inclusion1 decks478 decks
New Cards
Agna Qel'a
29%inclusion2 decks7 decks
26%synergy
North Pole Patrol
25%inclusion2 decks8 decks
24%synergy
Octopus Form
25%inclusion2 decks8 decks
22%synergy
Gran-Gran
13%inclusion1 decks8 decks
11%synergy
Tiger-Seal
13%inclusion1 decks8 decks
12%synergy
High Synergy Cards
Opposition
69%inclusion11 decks16 decks
68%synergy
Chasm Skulker
69%inclusion11 decks16 decks
65%synergy
Grand Architect
63%inclusion10 decks16 decks
62%synergy
Laboratory Maniac
63%inclusion10 decks16 decks
58%synergy
Kelpie Guide
56%inclusion9 decks16 decks
56%synergy
Ioreth of the Healing House
56%inclusion9 decks16 decks
55%synergy
Ominous Seas
50%inclusion8 decks16 decks
48%synergy
Psychosis Crawler
50%inclusion8 decks16 decks
47%synergy
Dramatic Reversal
50%inclusion8 decks16 decks
46%synergy
Homunculus Horde
46%inclusion6 decks13 decks
45%synergy
Top Cards
Vizier of Tumbling Sands
44%inclusion7 decks16 decks
43%synergy
Alandra, Sky Dreamer
44%inclusion7 decks16 decks
42%synergy
Arcane Denial
44%inclusion7 decks16 decks
23%synergy
Counterspell
44%inclusion7 decks16 decks
2%synergy
Forensic Researcher
38%inclusion6 decks16 decks
37%synergy
Fatestitcher
38%inclusion6 decks16 decks
37%synergy
Containment Construct
38%inclusion6 decks16 decks
37%synergy
Nadir Kraken
38%inclusion6 decks16 decks
36%synergy
Sapphire Medallion
38%inclusion6 decks16 decks
35%synergy
Ornithopter of Paradise
38%inclusion6 decks16 decks
33%synergy
Creatures
Hydroelectric Specimen
40%inclusion6 decks15 decks
36%synergy
Omen Hawker
31%inclusion5 decks16 decks
31%synergy
Silver Myr
31%inclusion5 decks16 decks
29%synergy
Marvin, Murderous Mimic
29%inclusion4 decks14 decks
27%synergy
Emrakul's Messenger
27%inclusion4 decks15 decks
25%synergy
Bonded Fetch
25%inclusion4 decks16 decks
25%synergy
Reservoir Kraken
25%inclusion4 decks16 decks
25%synergy
Pili-Pala
25%inclusion4 decks16 decks
25%synergy
Scrounging Skyray
25%inclusion3 decks12 decks
25%synergy
Amoeboid Changeling
25%inclusion4 decks16 decks
24%synergy
Aphetto Alchemist
25%inclusion4 decks16 decks
24%synergy
Arcanis the Omnipotent
25%inclusion4 decks16 decks
24%synergy
Phyrexian Metamorph
25%inclusion4 decks16 decks
18%synergy
Volatile Stormdrake
20%inclusion3 decks15 decks
18%synergy
Horseshoe Crab
19%inclusion3 decks16 decks
19%synergy
Tolarian Kraken
19%inclusion3 decks16 decks
18%synergy
Chakram Retriever
19%inclusion3 decks16 decks
18%synergy
Minn, Wily Illusionist
19%inclusion3 decks16 decks
18%synergy
Defiler of Dreams
19%inclusion3 decks16 decks
18%synergy
Stormtide Leviathan
19%inclusion3 decks16 decks
17%synergy
Glasspool Mimic
19%inclusion3 decks16 decks
16%synergy
Wonder
19%inclusion3 decks16 decks
15%synergy
Faerie Mastermind
19%inclusion3 decks16 decks
12%synergy
Hullbreaker Horror
19%inclusion3 decks16 decks
11%synergy
Instants
Sink into Stupor
40%inclusion6 decks15 decks
30%synergy
An Offer You Can't Refuse
38%inclusion6 decks16 decks
13%synergy
High Tide
31%inclusion5 decks16 decks
28%synergy
Reality Shift
31%inclusion5 decks16 decks
23%synergy
Rapid Hybridization
31%inclusion5 decks16 decks
22%synergy
Pongify
31%inclusion5 decks16 decks
20%synergy
Brainstorm
31%inclusion5 decks16 decks
13%synergy
Negate
31%inclusion5 decks16 decks
10%synergy
Shore Up
25%inclusion4 decks16 decks
23%synergy
Unwind
25%inclusion4 decks16 decks
22%synergy
Resculpt
25%inclusion4 decks16 decks
21%synergy
Dig Through Time
25%inclusion4 decks16 decks
21%synergy
Muddle the Mixture
25%inclusion4 decks16 decks
21%synergy
Frantic Search
25%inclusion4 decks16 decks
11%synergy
Twiddle
19%inclusion3 decks16 decks
18%synergy
Circular Logic
19%inclusion3 decks16 decks
18%synergy
Meeting of Minds
19%inclusion3 decks16 decks
18%synergy
Retraction Helix
19%inclusion3 decks16 decks
18%synergy
Cerulean Wisps
19%inclusion3 decks16 decks
18%synergy
Turnabout
19%inclusion3 decks16 decks
18%synergy
March of Swirling Mist
19%inclusion3 decks16 decks
16%synergy
Whir of Invention
19%inclusion3 decks16 decks
16%synergy
Swan Song
19%inclusion3 decks16 decks
1%synergy
Sorceries
Fabricate
19%inclusion3 decks16 decks
13%synergy
Water Whip
13%inclusion1 decks8 decks
12%synergy
Utility Artifacts
Lightning Greaves
31%inclusion5 decks16 decks
6%synergy
Kefnet's Monument
25%inclusion4 decks16 decks
25%synergy
Smuggler's Copter
25%inclusion4 decks16 decks
24%synergy
Monument to Endurance
25%inclusion3 decks12 decks
23%synergy
Hylda's Crown of Winter
19%inclusion3 decks16 decks
18%synergy
Imposter Mech
19%inclusion3 decks16 decks
17%synergy
Sensei's Divining Top
19%inclusion3 decks16 decks
14%synergy
Swiftfoot Boots
19%inclusion3 decks16 decks
-9%synergy
Enchantments
Teferi's Ageless Insight
38%inclusion6 decks16 decks
33%synergy
Aura of Dominion
31%inclusion5 decks16 decks
31%synergy
Pemmin's Aura
31%inclusion5 decks16 decks
30%synergy
Intruder Alarm
31%inclusion5 decks16 decks
29%synergy
Retreat to Coralhelm
31%inclusion5 decks16 decks
29%synergy
Second Wind
25%inclusion4 decks16 decks
25%synergy
Crab Umbra
25%inclusion4 decks16 decks
25%synergy
Verity Circle
25%inclusion4 decks16 decks
24%synergy
Freed from the Real
25%inclusion4 decks16 decks
23%synergy
Unstoppable Plan
25%inclusion3 decks12 decks
23%synergy
Mystic Remora
25%inclusion4 decks16 decks
9%synergy
Lost in the Maze
19%inclusion3 decks16 decks
18%synergy
Wizard Class
19%inclusion3 decks16 decks
15%synergy
Propaganda
19%inclusion3 decks16 decks
5%synergy
Battles
Invasion of Segovia
31%inclusion5 decks16 decks
31%synergy
Planeswalkers
Jace, Wielder of Mysteries
31%inclusion5 decks16 decks
28%synergy
Teferi, Temporal Pilgrim
19%inclusion3 decks16 decks
18%synergy
Utility Lands
Mystic Sanctuary
44%inclusion7 decks16 decks
33%synergy
Reliquary Tower
44%inclusion7 decks16 decks
14%synergy
Coral Atoll
25%inclusion4 decks16 decks
24%synergy
Lonely Sandbar
25%inclusion4 decks16 decks
22%synergy
Cephalid Coliseum
25%inclusion4 decks16 decks
22%synergy
Otawara, Soaring City
25%inclusion4 decks16 decks
9%synergy
Archway of Innovation
20%inclusion3 decks15 decks
17%synergy
Rivendell
19%inclusion3 decks16 decks
15%synergy
Minamo, School at Water's Edge
19%inclusion3 decks16 decks
14%synergy
Rogue's Passage
19%inclusion3 decks16 decks
-2%synergy
Mana Artifacts
Arcane Signet
75%inclusion12 decks16 decks
3%synergy
Sol Ring
75%inclusion12 decks16 decks
-9%synergy
Springleaf Drum
69%inclusion11 decks16 decks
67%synergy
Moonsnare Prototype
38%inclusion6 decks16 decks
37%synergy
Paradise Mantle
38%inclusion6 decks16 decks
37%synergy
The Eternity Elevator
38%inclusion3 decks8 decks
36%synergy
Thought Vessel
38%inclusion6 decks16 decks
20%synergy
Relic of Legends
25%inclusion4 decks16 decks
23%synergy
Mind Stone
25%inclusion4 decks16 decks
10%synergy
Decanter of Endless Water
19%inclusion3 decks16 decks
15%synergy
Bender's Waterskin
13%inclusion1 decks8 decks
10%synergy
Lands
Myriad Landscape
50%inclusion8 decks16 decks
34%synergy
Holdout Settlement
38%inclusion6 decks16 decks
37%synergy
Survivors' Encampment
38%inclusion6 decks16 decks
37%synergy