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
7.1%inclusion243 decks3.42K decks
The Locust God
0.0%inclusion2 decks6.43K decks
Marneus Calgar
0.0%inclusion1 decks15.9K decks
Kels, Fight Fixer
0.1%inclusion1 decks904 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
14%inclusion5 decks37 decks
13%synergy
Emeritus of Ideation
6.7%inclusion1 decks15 decks
5%synergy
Hidden Hideout
2.7%inclusion1 decks37 decks
1%synergy
High Synergy Cards
Ashnod's Altar
89%inclusion221 decks248 decks
83%synergy
Nadir Kraken
83%inclusion207 decks248 decks
82%synergy
Sapphire Medallion
83%inclusion205 decks248 decks
80%synergy
Brainstorm
90%inclusion222 decks248 decks
71%synergy
Teferi's Ageless Insight
75%inclusion187 decks248 decks
71%synergy
Ominous Seas
71%inclusion176 decks248 decks
69%synergy
Junk Winder
69%inclusion170 decks248 decks
67%synergy
Tolarian Winds
67%inclusion166 decks248 decks
66%synergy
Transcendent Message
64%inclusion158 decks248 decks
63%synergy
Frantic Search
78%inclusion193 decks248 decks
63%synergy
Top Cards
Arcane Denial
75%inclusion185 decks248 decks
54%synergy
Faerie Mastermind
69%inclusion172 decks248 decks
63%synergy
Counterspell
68%inclusion169 decks248 decks
26%synergy
Opt
66%inclusion164 decks248 decks
57%synergy
Mystic Remora
65%inclusion160 decks248 decks
49%synergy
Psychosis Crawler
64%inclusion159 decks248 decks
61%synergy
Pull from Tomorrow
61%inclusion152 decks248 decks
58%synergy
Laboratory Maniac
61%inclusion152 decks248 decks
57%synergy
High Tide
61%inclusion151 decks248 decks
57%synergy
Chasm Skulker
60%inclusion148 decks248 decks
56%synergy
Game Changers
Rhystic Study
73%inclusion180 decks248 decks
49%synergy
Consecrated Sphinx
61%inclusion151 decks248 decks
57%synergy
Cyclonic Rift
40%inclusion100 decks248 decks
19%synergy
The One Ring
30%inclusion74 decks248 decks
22%synergy
Fierce Guardianship
28%inclusion69 decks248 decks
10%synergy
Thassa's Oracle
25%inclusion63 decks248 decks
19%synergy
Force of Will
18%inclusion45 decks248 decks
8%synergy
Mystical Tutor
17%inclusion43 decks248 decks
6%synergy
Ancient Tomb
12%inclusion29 decks248 decks
2%synergy
Mana Vault
6.5%inclusion16 decks248 decks
1%synergy
Creatures
Wavebreak Hippocamp
59%inclusion146 decks248 decks
57%synergy
Nezahal, Primal Tide
57%inclusion141 decks248 decks
54%synergy
Drowned Rusalka
53%inclusion132 decks248 decks
53%synergy
Archmage Emeritus
49%inclusion122 decks248 decks
41%synergy
Ledger Shredder
45%inclusion112 decks248 decks
42%synergy
Jace's Archivist
44%inclusion108 decks248 decks
42%synergy
Hullbreaker Horror
44%inclusion108 decks248 decks
36%synergy
Monstrosity of the Lake
33%inclusion82 decks248 decks
32%synergy
Eluge, the Shoreless Sea
33%inclusion74 decks224 decks
32%synergy
Scourge of Fleets
33%inclusion81 decks248 decks
31%synergy
Arcanis the Omnipotent
31%inclusion78 decks248 decks
30%synergy
The Unagi of Kyoshi Island
30%inclusion23 decks77 decks
28%synergy
Triskaidekaphile
30%inclusion74 decks248 decks
28%synergy
Wonder
30%inclusion74 decks248 decks
26%synergy
Sage of the Falls
27%inclusion68 decks248 decks
27%synergy
Merfolk Looter
22%inclusion54 decks248 decks
21%synergy
Fear of Sleep Paralysis
20%inclusion43 decks210 decks
19%synergy
Wan Shi Tong, Librarian
20%inclusion16 decks79 decks
16%synergy
Homunculus Horde
20%inclusion40 decks199 decks
19%synergy
Archmage of Runes
20%inclusion40 decks199 decks
17%synergy
Body of Knowledge
20%inclusion49 decks248 decks
18%synergy
Tolarian Kraken
17%inclusion43 decks248 decks
17%synergy
Roaming Throne
17%inclusion42 decks248 decks
11%synergy
Hydroelectric Specimen
17%inclusion40 decks240 decks
12%synergy
Twenty-Toed Toad
16%inclusion36 decks224 decks
14%synergy
O'aka, Traveling Merchant
15%inclusion21 decks143 decks
13%synergy
Spawning Kraken
15%inclusion36 decks248 decks
14%synergy
Baral, Chief of Compliance
14%inclusion35 decks248 decks
12%synergy
Summon: Leviathan
13%inclusion19 decks144 decks
12%synergy
Emrakul's Messenger
13%inclusion30 decks240 decks
11%synergy
Toothy, Imaginary Friend
12%inclusion30 decks248 decks
11%synergy
Solemn Simulacrum
12%inclusion30 decks248 decks
0%synergy
Kitsa, Otterball Elite
12%inclusion27 decks224 decks
11%synergy
Murder of Crows
11%inclusion28 decks248 decks
11%synergy
Zenith Chronicler
11%inclusion28 decks248 decks
11%synergy
Spark Double
10%inclusion26 decks248 decks
4%synergy
Thought Courier
10%inclusion24 decks248 decks
9%synergy
Unctus, Grand Metatect
10%inclusion24 decks248 decks
9%synergy
Serpent of Yawning Depths
9.3%inclusion23 decks248 decks
9%synergy
Flux Channeler
8.1%inclusion20 decks248 decks
6%synergy
Pollywog Prodigy
8.0%inclusion18 decks224 decks
5%synergy
Oneirophage
7.7%inclusion19 decks248 decks
7%synergy
Stormsurge Kraken
7.7%inclusion19 decks248 decks
7%synergy
Trophy Mage
7.3%inclusion18 decks248 decks
6%synergy
Ojer Pakpatiq, Deepest Epoch
6.9%inclusion17 decks248 decks
6%synergy
Grappling Kraken
6.5%inclusion13 decks199 decks
6%synergy
Dreamtide Whale
6.3%inclusion15 decks240 decks
4%synergy
Talrand, Sky Summoner
6.0%inclusion15 decks248 decks
2%synergy
Tromokratis
5.6%inclusion14 decks248 decks
5%synergy
Ghostly Pilferer
5.6%inclusion14 decks248 decks
3%synergy
Instants
Brainsurge
57%inclusion137 decks240 decks
55%synergy
Flow of Knowledge
57%inclusion141 decks248 decks
56%synergy
Consider
52%inclusion129 decks248 decks
46%synergy
Pongify
52%inclusion128 decks248 decks
40%synergy
Harmonized Crescendo
51%inclusion27 decks53 decks
48%synergy
Keep Watch
48%inclusion119 decks248 decks
47%synergy
Blue Sun's Zenith
45%inclusion112 decks248 decks
43%synergy
Thirst for Discovery
41%inclusion101 decks248 decks
40%synergy
Abjure
40%inclusion100 decks248 decks
40%synergy
Borne Upon a Wind
39%inclusion97 decks248 decks
35%synergy
Meeting of Minds
37%inclusion92 decks248 decks
37%synergy
An Offer You Can't Refuse
35%inclusion87 decks248 decks
10%synergy
Perilous Research
34%inclusion84 decks248 decks
34%synergy
Rapid Hybridization
31%inclusion78 decks248 decks
22%synergy
Mana Drain
31%inclusion78 decks248 decks
17%synergy
Archmage's Charm
31%inclusion77 decks248 decks
29%synergy
Three Steps Ahead
27%inclusion68 decks248 decks
25%synergy
Reality Shift
27%inclusion67 decks248 decks
19%synergy
Negate
26%inclusion65 decks248 decks
5%synergy
Swan Song
26%inclusion64 decks248 decks
8%synergy
Cryptic Command
24%inclusion60 decks248 decks
22%synergy
Sink into Stupor
24%inclusion57 decks240 decks
14%synergy
Quick Study
22%inclusion54 decks248 decks
21%synergy
Read the Runes
21%inclusion52 decks248 decks
21%synergy
Stubborn Denial
19%inclusion48 decks248 decks
17%synergy
Unexpected Assistance
18%inclusion11 decks60 decks
18%synergy
Keep Safe
18%inclusion45 decks248 decks
18%synergy
Aetherize
18%inclusion45 decks248 decks
11%synergy
Refute
18%inclusion36 decks199 decks
16%synergy
Resculpt
16%inclusion40 decks248 decks
13%synergy
Artistic Refusal
14%inclusion35 decks248 decks
14%synergy
Force of Negation
14%inclusion34 decks248 decks
6%synergy
Dream Fracture
11%inclusion28 decks248 decks
10%synergy
Snap
11%inclusion28 decks248 decks
3%synergy
Deduce
10%inclusion26 decks248 decks
10%synergy
Peek
10%inclusion25 decks248 decks
9%synergy
Mystic Confluence
10%inclusion25 decks248 decks
8%synergy
Jwari Disruption
10%inclusion24 decks248 decks
8%synergy
Thought Scour
9.3%inclusion23 decks248 decks
7%synergy
Even the Score
8.9%inclusion22 decks248 decks
9%synergy
Complete the Circuit
7.7%inclusion19 decks248 decks
7%synergy
Spell Pierce
7.7%inclusion19 decks248 decks
5%synergy
Thirst for Identity
7.5%inclusion4 decks53 decks
7%synergy
Ice Out
6.9%inclusion17 decks248 decks
6%synergy
Stroke of Genius
6.9%inclusion17 decks248 decks
6%synergy
Drown in Dreams
6.5%inclusion16 decks248 decks
5%synergy
Hithlain Knots
6.0%inclusion15 decks248 decks
6%synergy
Behold the Multiverse
6.0%inclusion15 decks248 decks
5%synergy
Deliberate
5.6%inclusion14 decks248 decks
5%synergy
Dramatic Reversal
5.6%inclusion14 decks248 decks
1%synergy
Sorceries
Whelming Wave
37%inclusion91 decks248 decks
35%synergy
Sea Gate Restoration
32%inclusion79 decks248 decks
28%synergy
Windfall
26%inclusion65 decks248 decks
15%synergy
Spectral Deluge
20%inclusion49 decks248 decks
19%synergy
Fabricate
20%inclusion49 decks248 decks
14%synergy
Irenicus's Vile Duplication
16%inclusion39 decks248 decks
13%synergy
Ponder
10%inclusion24 decks248 decks
-2%synergy
Lórien Revealed
7.7%inclusion19 decks248 decks
5%synergy
Wash Out
6.5%inclusion16 decks248 decks
6%synergy
Curse of the Swine
6.5%inclusion16 decks248 decks
3%synergy
Reshape
5.6%inclusion14 decks248 decks
5%synergy
Ravenform
5.2%inclusion13 decks248 decks
3%synergy
Utility Artifacts
Skullclamp
59%inclusion147 decks248 decks
48%synergy
Idol of Oblivion
33%inclusion82 decks248 decks
28%synergy
Swiftfoot Boots
33%inclusion82 decks248 decks
6%synergy
Lightning Greaves
25%inclusion61 decks248 decks
0%synergy
Eldrazi Monument
23%inclusion57 decks248 decks
22%synergy
Alhammarret's Archive
23%inclusion56 decks248 decks
21%synergy
Wayfarer's Bauble
21%inclusion51 decks248 decks
13%synergy
Altar of Dementia
18%inclusion45 decks248 decks
16%synergy
Blasting Station
16%inclusion39 decks248 decks
15%synergy
Mind's Eye
15%inclusion37 decks248 decks
14%synergy
Coat of Arms
13%inclusion33 decks248 decks
12%synergy
Rimefire Torque
13%inclusion7 decks53 decks
13%synergy
Banner of Kinship
13%inclusion26 decks199 decks
11%synergy
The Golden Throne
13%inclusion32 decks248 decks
13%synergy
Vedalken Orrery
12%inclusion29 decks248 decks
11%synergy
Waterbending Scroll
11%inclusion8 decks73 decks
10%synergy
Dragon Throne of Tarkir
8.9%inclusion22 decks248 decks
9%synergy
Venser's Journal
8.9%inclusion22 decks248 decks
8%synergy
Insight Engine
7.9%inclusion9 decks114 decks
6%synergy
Isochron Scepter
7.3%inclusion18 decks248 decks
5%synergy
Maskwood Nexus
6.5%inclusion16 decks248 decks
4%synergy
Mithril Coat
5.2%inclusion13 decks248 decks
1%synergy
Sensei's Divining Top
5.2%inclusion13 decks248 decks
1%synergy
Enchantments
Kindred Discovery
55%inclusion136 decks248 decks
48%synergy
Wizard Class
46%inclusion115 decks248 decks
42%synergy
Verity Circle
38%inclusion94 decks248 decks
37%synergy
Opposition
28%inclusion70 decks248 decks
28%synergy
Lost in the Maze
26%inclusion64 decks248 decks
25%synergy
Leyline of Anticipation
25%inclusion61 decks248 decks
21%synergy
Ever-Watching Threshold
19%inclusion48 decks248 decks
19%synergy
Psychic Possession
17%inclusion43 decks248 decks
17%synergy
Propaganda
17%inclusion43 decks248 decks
3%synergy
Imprisoned in the Moon
16%inclusion40 decks248 decks
12%synergy
Intruder Alarm
11%inclusion27 decks248 decks
9%synergy
Eaten by Piranhas
10%inclusion24 decks248 decks
9%synergy
Moonlit Meditation
8.9%inclusion10 decks112 decks
8%synergy
Psychic Corrosion
8.1%inclusion20 decks248 decks
6%synergy
Amphibian Downpour
7.9%inclusion19 decks240 decks
5%synergy
Mind Over Matter
7.7%inclusion19 decks248 decks
7%synergy
Curse of Verbosity
7.7%inclusion19 decks248 decks
7%synergy
Unstoppable Plan
6.3%inclusion11 decks175 decks
4%synergy
Shark Typhoon
6.0%inclusion15 decks248 decks
4%synergy
Teferi's Tutelage
5.6%inclusion14 decks248 decks
5%synergy
Kiora Bests the Sea God
5.6%inclusion14 decks248 decks
5%synergy
Battles
Invasion of Segovia
27%inclusion66 decks248 decks
26%synergy
Planeswalkers
Teferi, Master of Time
51%inclusion127 decks248 decks
50%synergy
Jace, Wielder of Mysteries
40%inclusion98 decks248 decks
37%synergy
Teferi, Temporal Pilgrim
10%inclusion24 decks248 decks
9%synergy
Utility Lands
Reliquary Tower
84%inclusion209 decks248 decks
55%synergy
Mystic Sanctuary
69%inclusion172 decks248 decks
59%synergy
Nesting Grounds
48%inclusion119 decks248 decks
46%synergy
Lonely Sandbar
39%inclusion96 decks248 decks
36%synergy
Three Tree City
38%inclusion84 decks224 decks
32%synergy
Nykthos, Shrine to Nyx
35%inclusion87 decks248 decks
30%synergy
Minamo, School at Water's Edge
35%inclusion86 decks248 decks
30%synergy
War Room
35%inclusion86 decks248 decks
29%synergy
Mikokoro, Center of the Sea
30%inclusion75 decks248 decks
29%synergy
Otawara, Soaring City
30%inclusion75 decks248 decks
14%synergy
Fountainport
22%inclusion49 decks224 decks
20%synergy
Agna Qel'a
22%inclusion16 decks74 decks
19%synergy
High Market
21%inclusion53 decks248 decks
19%synergy
Terrain Generator
16%inclusion40 decks248 decks
15%synergy
Geier Reach Sanitarium
15%inclusion38 decks248 decks
12%synergy
Remote Isle
15%inclusion37 decks248 decks
14%synergy
Rivendell
13%inclusion32 decks248 decks
10%synergy
Urza's Saga
13%inclusion32 decks248 decks
6%synergy
Bonders' Enclave
13%inclusion31 decks248 decks
10%synergy
Cephalid Coliseum
13%inclusion31 decks248 decks
9%synergy
Mistrise Village
13%inclusion20 decks160 decks
5%synergy
Rogue's Passage
13%inclusion31 decks248 decks
-8%synergy
Sunken Palace
12%inclusion29 decks238 decks
11%synergy
Command Beacon
12%inclusion29 decks248 decks
7%synergy
Academy Ruins
11%inclusion27 decks248 decks
6%synergy
Karn's Bastion
10%inclusion24 decks248 decks
5%synergy
Desert of the Mindful
8.1%inclusion20 decks248 decks
7%synergy
Emergence Zone
7.7%inclusion19 decks248 decks
5%synergy
Temple of the False God
7.7%inclusion19 decks248 decks
-1%synergy
Castle Vantress
6.0%inclusion15 decks248 decks
3%synergy
Mana Artifacts
Sol Ring
91%inclusion226 decks248 decks
8%synergy
Thought Vessel
77%inclusion192 decks248 decks
60%synergy
Arcane Signet
75%inclusion186 decks248 decks
3%synergy
Mind Stone
48%inclusion119 decks248 decks
34%synergy
Decanter of Endless Water
42%inclusion103 decks248 decks
38%synergy
Midnight Clock
41%inclusion101 decks248 decks
36%synergy
Throne of Eldraine
32%inclusion79 decks248 decks
30%synergy
Extraplanar Lens
23%inclusion56 decks248 decks
22%synergy
Bender's Waterskin
20%inclusion20 decks102 decks
16%synergy
Fellwar Stone
19%inclusion47 decks248 decks
-1%synergy
Sky Diamond
17%inclusion43 decks248 decks
14%synergy
Caged Sun
17%inclusion41 decks248 decks
15%synergy
Sceptre of Eternal Glory
15%inclusion38 decks248 decks
15%synergy
Commander's Sphere
12%inclusion29 decks248 decks
0%synergy
Heraldic Banner
11%inclusion27 decks248 decks
9%synergy
Relic of Legends
10%inclusion25 decks248 decks
8%synergy
Patchwork Banner
8.0%inclusion18 decks224 decks
4%synergy
Thran Dynamo
7.3%inclusion18 decks248 decks
3%synergy
Everflowing Chalice
6.9%inclusion17 decks248 decks
3%synergy
Misleading Signpost
6.5%inclusion16 decks248 decks
5%synergy
Prismatic Lens
5.6%inclusion14 decks248 decks
5%synergy
Lotus Petal
5.6%inclusion14 decks248 decks
-1%synergy
Lands
Myriad Landscape
36%inclusion90 decks248 decks
21%synergy
Cavern of Souls
8.9%inclusion22 decks248 decks
2%synergy
Demolition Field
8.1%inclusion20 decks248 decks
5%synergy
Polluted Delta
5.6%inclusion14 decks248 decks
-6%synergy
Misty Rainforest
5.2%inclusion13 decks248 decks
-6%synergy
Flooded Strand
5.2%inclusion13 decks248 decks
-6%synergy