The Watcher in the Water
Symmetry Matrix
Phyrexian Altar

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
You have a way to draw a card during an opponent's turn.

   Steps

How does this combo work?
1
Draw a card during an opponent's turn.
2
The Watcher's first ability riggers, creating a 1/1 Tentacle creature token.
3
When the Tentacle enters the battlefield, Symmetry Matrix triggers.
4
Holding priority, activate Phyrexian Altar by sacrificing the Tentacle, adding 1.
5
When the Tentacle dies, The Watcher's second ability triggers, untapping up to one Kraken you control.
6
Resolve the Symmetry Matrix trigger, causing you to pay 1 to draw a card.
7
Repeat from step 2.

   Results

What do I get from this combo?
Infinite card draw
Infinite draw triggers
Near-infinite death triggers
Near-infinite ETB
Near-infinite LTB
Near-infinite sacrifice triggers
Near-infinite untap of some creatures you control
The Watcher in the Water
7.2%inclusion245 decks3.42K decks
The Locust God
0.0%inclusion3 decks6.43K decks
Marneus Calgar
0.0%inclusion1 decks15.9K decks
Kels, Fight Fixer
0.1%inclusion1 decks902 decks
Caelorna, Coral Tyrant
0.5%inclusion1 decks218 decks
New Cards
Harmonized Trio
30%inclusion3 decks10 decks
29%synergy
Nexus Mentality
21%inclusion3 decks14 decks
21%synergy
Krang, the All-Powerful
13%inclusion5 decks38 decks
12%synergy
Emeritus of Ideation
6.7%inclusion1 decks15 decks
6%synergy
Hidden Hideout
2.6%inclusion1 decks38 decks
1%synergy
High Synergy Cards
Ashnod's Altar
89%inclusion224 decks251 decks
83%synergy
Nadir Kraken
83%inclusion209 decks251 decks
82%synergy
Sapphire Medallion
82%inclusion207 decks251 decks
79%synergy
Brainstorm
89%inclusion224 decks251 decks
71%synergy
Teferi's Ageless Insight
75%inclusion189 decks251 decks
71%synergy
Ominous Seas
71%inclusion178 decks251 decks
69%synergy
Junk Winder
69%inclusion172 decks251 decks
67%synergy
Tolarian Winds
67%inclusion169 decks251 decks
66%synergy
Transcendent Message
64%inclusion161 decks251 decks
64%synergy
Frantic Search
78%inclusion195 decks251 decks
63%synergy
Top Cards
Arcane Denial
74%inclusion186 decks251 decks
54%synergy
Faerie Mastermind
69%inclusion174 decks251 decks
63%synergy
Counterspell
68%inclusion170 decks251 decks
26%synergy
Opt
66%inclusion166 decks251 decks
57%synergy
Mystic Remora
65%inclusion162 decks251 decks
49%synergy
Psychosis Crawler
64%inclusion161 decks251 decks
61%synergy
Pull from Tomorrow
61%inclusion153 decks251 decks
58%synergy
Laboratory Maniac
61%inclusion153 decks251 decks
56%synergy
High Tide
61%inclusion152 decks251 decks
57%synergy
Chasm Skulker
60%inclusion150 decks251 decks
56%synergy
Game Changers
Rhystic Study
73%inclusion182 decks251 decks
49%synergy
Consecrated Sphinx
61%inclusion153 decks251 decks
57%synergy
Cyclonic Rift
41%inclusion102 decks251 decks
19%synergy
The One Ring
30%inclusion75 decks251 decks
22%synergy
Fierce Guardianship
28%inclusion70 decks251 decks
10%synergy
Thassa's Oracle
25%inclusion64 decks251 decks
19%synergy
Force of Will
18%inclusion45 decks251 decks
8%synergy
Mystical Tutor
17%inclusion43 decks251 decks
5%synergy
Ancient Tomb
12%inclusion30 decks251 decks
3%synergy
Mana Vault
6.4%inclusion16 decks251 decks
1%synergy
Creatures
Purphoros, God of the Forge
100%inclusion3 decks3 decks
96%synergy
Wavebreak Hippocamp
59%inclusion147 decks251 decks
57%synergy
Nezahal, Primal Tide
57%inclusion142 decks251 decks
54%synergy
Drowned Rusalka
53%inclusion132 decks251 decks
52%synergy
Archmage Emeritus
49%inclusion123 decks251 decks
41%synergy
Ledger Shredder
45%inclusion113 decks251 decks
42%synergy
Jace's Archivist
44%inclusion110 decks251 decks
42%synergy
Hullbreaker Horror
44%inclusion110 decks251 decks
36%synergy
Eluge, the Shoreless Sea
33%inclusion75 decks225 decks
33%synergy
Monstrosity of the Lake
33%inclusion82 decks251 decks
32%synergy
Scourge of Fleets
32%inclusion81 decks251 decks
31%synergy
Arcanis the Omnipotent
31%inclusion79 decks251 decks
30%synergy
Triskaidekaphile
30%inclusion75 decks251 decks
28%synergy
The Unagi of Kyoshi Island
29%inclusion23 decks78 decks
27%synergy
Wonder
29%inclusion74 decks251 decks
26%synergy
Sage of the Falls
28%inclusion70 decks251 decks
28%synergy
Merfolk Looter
22%inclusion54 decks251 decks
21%synergy
Fear of Sleep Paralysis
20%inclusion43 decks211 decks
19%synergy
Homunculus Horde
20%inclusion40 decks200 decks
18%synergy
Archmage of Runes
20%inclusion40 decks200 decks
17%synergy
Wan Shi Tong, Librarian
20%inclusion16 decks80 decks
15%synergy
Body of Knowledge
20%inclusion49 decks251 decks
18%synergy
Tolarian Kraken
17%inclusion43 decks251 decks
17%synergy
Hydroelectric Specimen
17%inclusion41 decks241 decks
13%synergy
Roaming Throne
17%inclusion42 decks251 decks
10%synergy
Twenty-Toed Toad
16%inclusion36 decks225 decks
14%synergy
O'aka, Traveling Merchant
15%inclusion21 decks144 decks
13%synergy
Spawning Kraken
14%inclusion36 decks251 decks
13%synergy
Baral, Chief of Compliance
14%inclusion35 decks251 decks
12%synergy
Summon: Leviathan
13%inclusion19 decks145 decks
12%synergy
Emrakul's Messenger
12%inclusion30 decks241 decks
11%synergy
Solemn Simulacrum
12%inclusion31 decks251 decks
0%synergy
Kitsa, Otterball Elite
12%inclusion27 decks225 decks
10%synergy
Toothy, Imaginary Friend
12%inclusion30 decks251 decks
11%synergy
Murder of Crows
11%inclusion28 decks251 decks
11%synergy
Zenith Chronicler
11%inclusion28 decks251 decks
11%synergy
Spark Double
10%inclusion26 decks251 decks
4%synergy
Unctus, Grand Metatect
10%inclusion25 decks251 decks
9%synergy
Thought Courier
10%inclusion24 decks251 decks
9%synergy
Serpent of Yawning Depths
9.2%inclusion23 decks251 decks
8%synergy
Pollywog Prodigy
8.0%inclusion18 decks225 decks
5%synergy
Flux Channeler
8.0%inclusion20 decks251 decks
5%synergy
Oneirophage
7.6%inclusion19 decks251 decks
7%synergy
Stormsurge Kraken
7.6%inclusion19 decks251 decks
7%synergy
Trophy Mage
7.2%inclusion18 decks251 decks
6%synergy
Ojer Pakpatiq, Deepest Epoch
6.8%inclusion17 decks251 decks
6%synergy
Grappling Kraken
6.5%inclusion13 decks200 decks
6%synergy
Talrand, Sky Summoner
6.4%inclusion16 decks251 decks
3%synergy
Dreamtide Whale
6.2%inclusion15 decks241 decks
4%synergy
Tromokratis
5.6%inclusion14 decks251 decks
5%synergy
Instants
Brainsurge
57%inclusion137 decks241 decks
55%synergy
Flow of Knowledge
57%inclusion142 decks251 decks
56%synergy
Pongify
52%inclusion131 decks251 decks
41%synergy
Consider
52%inclusion130 decks251 decks
46%synergy
Harmonized Crescendo
50%inclusion27 decks54 decks
48%synergy
Keep Watch
48%inclusion121 decks251 decks
47%synergy
Blue Sun's Zenith
45%inclusion112 decks251 decks
43%synergy
Abjure
40%inclusion101 decks251 decks
40%synergy
Thirst for Discovery
40%inclusion101 decks251 decks
39%synergy
Borne Upon a Wind
39%inclusion98 decks251 decks
35%synergy
Meeting of Minds
37%inclusion92 decks251 decks
36%synergy
An Offer You Can't Refuse
35%inclusion87 decks251 decks
10%synergy
Perilous Research
34%inclusion86 decks251 decks
34%synergy
Rapid Hybridization
31%inclusion79 decks251 decks
22%synergy
Mana Drain
31%inclusion79 decks251 decks
17%synergy
Archmage's Charm
31%inclusion77 decks251 decks
29%synergy
Three Steps Ahead
27%inclusion68 decks251 decks
24%synergy
Reality Shift
27%inclusion68 decks251 decks
19%synergy
Negate
26%inclusion65 decks251 decks
5%synergy
Swan Song
25%inclusion64 decks251 decks
8%synergy
Cryptic Command
24%inclusion61 decks251 decks
22%synergy
Sink into Stupor
24%inclusion57 decks241 decks
14%synergy
Quick Study
22%inclusion56 decks251 decks
21%synergy
Read the Runes
21%inclusion52 decks251 decks
21%synergy
Stubborn Denial
19%inclusion48 decks251 decks
17%synergy
Aetherize
18%inclusion46 decks251 decks
11%synergy
Unexpected Assistance
18%inclusion11 decks61 decks
18%synergy
Refute
18%inclusion36 decks200 decks
16%synergy
Keep Safe
18%inclusion45 decks251 decks
17%synergy
Resculpt
16%inclusion41 decks251 decks
13%synergy
Artistic Refusal
14%inclusion35 decks251 decks
14%synergy
Force of Negation
14%inclusion34 decks251 decks
6%synergy
Dream Fracture
12%inclusion29 decks251 decks
11%synergy
Snap
11%inclusion28 decks251 decks
3%synergy
Deduce
11%inclusion27 decks251 decks
10%synergy
Peek
10%inclusion25 decks251 decks
9%synergy
Mystic Confluence
10%inclusion25 decks251 decks
8%synergy
Jwari Disruption
10%inclusion24 decks251 decks
8%synergy
Thought Scour
9.2%inclusion23 decks251 decks
7%synergy
Even the Score
8.8%inclusion22 decks251 decks
8%synergy
Complete the Circuit
7.6%inclusion19 decks251 decks
7%synergy
Spell Pierce
7.6%inclusion19 decks251 decks
4%synergy
Thirst for Identity
7.4%inclusion4 decks54 decks
7%synergy
Ice Out
7.2%inclusion18 decks251 decks
7%synergy
Hithlain Knots
6.8%inclusion17 decks251 decks
6%synergy
Stroke of Genius
6.8%inclusion17 decks251 decks
6%synergy
Drown in Dreams
6.4%inclusion16 decks251 decks
5%synergy
Behold the Multiverse
6.0%inclusion15 decks251 decks
5%synergy
Deliberate
5.6%inclusion14 decks251 decks
5%synergy
Dramatic Reversal
5.6%inclusion14 decks251 decks
1%synergy
Sorceries
Whelming Wave
37%inclusion92 decks251 decks
35%synergy
Sea Gate Restoration
31%inclusion79 decks251 decks
27%synergy
Windfall
26%inclusion66 decks251 decks
15%synergy
Spectral Deluge
20%inclusion49 decks251 decks
19%synergy
Fabricate
20%inclusion49 decks251 decks
14%synergy
Irenicus's Vile Duplication
16%inclusion39 decks251 decks
12%synergy
Ponder
10%inclusion24 decks251 decks
-2%synergy
Lórien Revealed
8.4%inclusion21 decks251 decks
6%synergy
Wash Out
6.8%inclusion17 decks251 decks
6%synergy
Curse of the Swine
6.4%inclusion16 decks251 decks
3%synergy
Reshape
5.6%inclusion14 decks251 decks
4%synergy
Ravenform
5.2%inclusion13 decks251 decks
3%synergy
Utility Artifacts
Skullclamp
59%inclusion149 decks251 decks
48%synergy
Idol of Oblivion
33%inclusion83 decks251 decks
28%synergy
Swiftfoot Boots
33%inclusion83 decks251 decks
6%synergy
Lightning Greaves
25%inclusion63 decks251 decks
0%synergy
Eldrazi Monument
23%inclusion57 decks251 decks
22%synergy
Alhammarret's Archive
22%inclusion56 decks251 decks
21%synergy
Wayfarer's Bauble
20%inclusion51 decks251 decks
13%synergy
Altar of Dementia
18%inclusion45 decks251 decks
16%synergy
Blasting Station
16%inclusion39 decks251 decks
15%synergy
Mind's Eye
15%inclusion37 decks251 decks
14%synergy
Coat of Arms
13%inclusion33 decks251 decks
12%synergy
Banner of Kinship
13%inclusion26 decks200 decks
11%synergy
Rimefire Torque
13%inclusion7 decks54 decks
12%synergy
The Golden Throne
13%inclusion32 decks251 decks
12%synergy
Vedalken Orrery
12%inclusion29 decks251 decks
10%synergy
Waterbending Scroll
11%inclusion8 decks74 decks
10%synergy
Venser's Journal
9.2%inclusion23 decks251 decks
8%synergy
Dragon Throne of Tarkir
8.8%inclusion22 decks251 decks
9%synergy
Insight Engine
7.8%inclusion9 decks115 decks
6%synergy
Isochron Scepter
7.2%inclusion18 decks251 decks
5%synergy
Maskwood Nexus
6.4%inclusion16 decks251 decks
4%synergy
Mithril Coat
5.2%inclusion13 decks251 decks
1%synergy
Sensei's Divining Top
5.2%inclusion13 decks251 decks
1%synergy
Enchantments
Impact Tremors
100%inclusion3 decks3 decks
90%synergy
Kindred Discovery
55%inclusion138 decks251 decks
48%synergy
Wizard Class
45%inclusion114 decks251 decks
41%synergy
Verity Circle
38%inclusion95 decks251 decks
37%synergy
Opposition
29%inclusion72 decks251 decks
28%synergy
Lost in the Maze
25%inclusion64 decks251 decks
25%synergy
Leyline of Anticipation
24%inclusion61 decks251 decks
20%synergy
Ever-Watching Threshold
19%inclusion48 decks251 decks
19%synergy
Propaganda
18%inclusion44 decks251 decks
3%synergy
Psychic Possession
17%inclusion43 decks251 decks
17%synergy
Imprisoned in the Moon
16%inclusion41 decks251 decks
13%synergy
Intruder Alarm
11%inclusion28 decks251 decks
9%synergy
Eaten by Piranhas
10%inclusion24 decks251 decks
9%synergy
Moonlit Meditation
8.8%inclusion10 decks113 decks
8%synergy
Psychic Corrosion
8.4%inclusion21 decks251 decks
7%synergy
Mind Over Matter
8.0%inclusion20 decks251 decks
8%synergy
Curse of Verbosity
8.0%inclusion20 decks251 decks
7%synergy
Amphibian Downpour
7.9%inclusion19 decks241 decks
5%synergy
Unstoppable Plan
6.3%inclusion11 decks176 decks
4%synergy
Kiora Bests the Sea God
6.0%inclusion15 decks251 decks
5%synergy
Shark Typhoon
6.0%inclusion15 decks251 decks
3%synergy
Teferi's Tutelage
5.6%inclusion14 decks251 decks
5%synergy
Battles
Invasion of Segovia
27%inclusion68 decks251 decks
26%synergy
Planeswalkers
Teferi, Master of Time
51%inclusion127 decks251 decks
49%synergy
Jace, Wielder of Mysteries
40%inclusion100 decks251 decks
37%synergy
Teferi, Temporal Pilgrim
10%inclusion24 decks251 decks
9%synergy
Utility Lands
Reliquary Tower
84%inclusion212 decks251 decks
55%synergy
Mystic Sanctuary
69%inclusion173 decks251 decks
59%synergy
Nesting Grounds
48%inclusion120 decks251 decks
45%synergy
Lonely Sandbar
38%inclusion96 decks251 decks
35%synergy
Three Tree City
37%inclusion84 decks225 decks
32%synergy
Nykthos, Shrine to Nyx
35%inclusion88 decks251 decks
30%synergy
Minamo, School at Water's Edge
35%inclusion87 decks251 decks
30%synergy
War Room
35%inclusion87 decks251 decks
29%synergy
Mikokoro, Center of the Sea
30%inclusion76 decks251 decks
29%synergy
Otawara, Soaring City
30%inclusion76 decks251 decks
14%synergy
Fountainport
22%inclusion50 decks225 decks
21%synergy
Agna Qel'a
21%inclusion16 decks75 decks
19%synergy
High Market
21%inclusion53 decks251 decks
19%synergy
Terrain Generator
16%inclusion40 decks251 decks
15%synergy
Geier Reach Sanitarium
16%inclusion39 decks251 decks
13%synergy
Remote Isle
15%inclusion38 decks251 decks
14%synergy
Rivendell
13%inclusion33 decks251 decks
10%synergy
Urza's Saga
13%inclusion32 decks251 decks
6%synergy
Mistrise Village
12%inclusion20 decks161 decks
5%synergy
Bonders' Enclave
12%inclusion31 decks251 decks
10%synergy
Cephalid Coliseum
12%inclusion31 decks251 decks
9%synergy
Rogue's Passage
12%inclusion31 decks251 decks
-8%synergy
Sunken Palace
12%inclusion29 decks239 decks
11%synergy
Command Beacon
12%inclusion29 decks251 decks
7%synergy
Academy Ruins
11%inclusion27 decks251 decks
5%synergy
Karn's Bastion
10%inclusion25 decks251 decks
5%synergy
Desert of the Mindful
8.0%inclusion20 decks251 decks
7%synergy
Emergence Zone
7.6%inclusion19 decks251 decks
5%synergy
Temple of the False God
7.6%inclusion19 decks251 decks
-1%synergy
Castle Vantress
6.0%inclusion15 decks251 decks
3%synergy
Mana Artifacts
Talisman of Creativity
100%inclusion3 decks3 decks
72%synergy
Sol Ring
91%inclusion229 decks251 decks
8%synergy
Thought Vessel
77%inclusion194 decks251 decks
60%synergy
Arcane Signet
75%inclusion188 decks251 decks
3%synergy
Mind Stone
48%inclusion121 decks251 decks
34%synergy
Decanter of Endless Water
41%inclusion104 decks251 decks
38%synergy
Midnight Clock
41%inclusion102 decks251 decks
36%synergy
Throne of Eldraine
31%inclusion79 decks251 decks
30%synergy
Extraplanar Lens
23%inclusion57 decks251 decks
22%synergy
Bender's Waterskin
19%inclusion20 decks103 decks
16%synergy
Fellwar Stone
19%inclusion47 decks251 decks
-2%synergy
Sky Diamond
17%inclusion43 decks251 decks
13%synergy
Caged Sun
16%inclusion41 decks251 decks
15%synergy
Sceptre of Eternal Glory
15%inclusion38 decks251 decks
14%synergy
Commander's Sphere
12%inclusion30 decks251 decks
0%synergy
Heraldic Banner
11%inclusion27 decks251 decks
9%synergy
Relic of Legends
10%inclusion25 decks251 decks
8%synergy
Patchwork Banner
8.0%inclusion18 decks225 decks
3%synergy
Everflowing Chalice
7.2%inclusion18 decks251 decks
3%synergy
Thran Dynamo
7.2%inclusion18 decks251 decks
3%synergy
Misleading Signpost
6.4%inclusion16 decks251 decks
5%synergy
Prismatic Lens
5.6%inclusion14 decks251 decks
5%synergy
Lotus Petal
5.6%inclusion14 decks251 decks
-1%synergy
Lands
Shivan Reef
100%inclusion3 decks3 decks
70%synergy
Myriad Landscape
36%inclusion91 decks251 decks
21%synergy
Cavern of Souls
8.8%inclusion22 decks251 decks
2%synergy
Demolition Field
8.0%inclusion20 decks251 decks
5%synergy
Polluted Delta
5.6%inclusion14 decks251 decks
-7%synergy
Misty Rainforest
5.2%inclusion13 decks251 decks
-6%synergy
Flooded Strand
5.2%inclusion13 decks251 decks
-6%synergy