The Watcher in the Water + Symmetry Matrix + Mana Echoes

The Watcher in the Water
Symmetry Matrix
Mana Echoes

Requires
The Watcher in the Water must be on the battlefield. Symmetry Matrix must be on the battlefield. Mana Echoes must be on the battlefield. You have a way to draw a card during an opponent's turn.
Steps
  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 and Mana Echoes trigger.
  4. Resolve the Mana Echoes trigger, adding for each Tentacle on the battlefield.
  5. Resolve the Symmetry Matrix trigger, causing you to pay 1 to draw a card.
  6. Repeat from step 2.
Results
Infinite card draw. Infinite draw triggers. Near-infinite colorless mana. Near-infinite creature tokens. Near-infinite death triggers. Near-infinite ETB. Near-infinite LTB. Near-infinite sacrifice triggers.

The Locust God
0.02% of 5623 decks 1 decks
Creatures
Kolaghan Forerunners
100% of 1 decks +100% synergy
Devilish Valet
100% of 1 decks +99% synergy
Basalt Ravager
100% of 1 decks +99% synergy
Forgotten Creation
100% of 1 decks +99% synergy
Sage of the Falls
100% of 1 decks +98% synergy
Kozilek, Butcher of Truth
100% of 1 decks +98% synergy
Tetsuko Umezawa, Fugitive
100% of 1 decks +98% synergy
Whirlpool Warrior
100% of 1 decks +98% synergy
Nezahal, Primal Tide
100% of 1 decks +97% synergy
Curiosity Crafter
100% of 1 decks +97% synergy
Jace's Archivist
100% of 1 decks +97% synergy
Purphoros, God of the Forge
100% of 1 decks +97% synergy
Magus of the Wheel
100% of 1 decks +96% synergy
Chasm Skulker
100% of 1 decks +96% synergy
Ancient Silver Dragon
100% of 1 decks +96% synergy
Consecrated Sphinx
100% of 1 decks +96% synergy
Witty Roastmaster
100% of 1 decks +95% synergy
Psychosis Crawler
100% of 1 decks +91% synergy
Instants
Keep Watch
100% of 1 decks +98% synergy
Transcendent Message
100% of 1 decks +97% synergy
Tolarian Winds
100% of 1 decks +96% synergy
Battle Hymn
100% of 1 decks +96% synergy
Aetherize
100% of 1 decks +91% synergy
Valakut Awakening
100% of 1 decks +89% synergy
Mana Drain
100% of 1 decks +83% synergy
Deflecting Swat
100% of 1 decks +81% synergy
Fierce Guardianship
100% of 1 decks +79% synergy
Pongify
100% of 1 decks +73% synergy
Cyclonic Rift
100% of 1 decks +70% synergy
Sorceries
Shattered Perception
100% of 1 decks +99% synergy
Molten Psyche
100% of 1 decks +98% synergy
Distant Melody
100% of 1 decks +97% synergy
Winds of Change
100% of 1 decks +97% synergy
Mana Geyser
100% of 1 decks +78% synergy
Windfall
100% of 1 decks +74% synergy
Vandalblast
100% of 1 decks +72% synergy
Jeska's Will
100% of 1 decks +68% synergy
Utility Artifacts
Throne of the God-Pharaoh
100% of 1 decks +99% synergy
Venser's Journal
100% of 1 decks +99% synergy
Phyrexian Altar
100% of 1 decks +98% synergy
Sword of the Animist
100% of 1 decks +98% synergy
Ashnod's Altar
100% of 1 decks +97% synergy
Bident of Thassa
100% of 1 decks +93% synergy
Skullclamp
100% of 1 decks +92% synergy
Lightning Greaves
100% of 1 decks +74% synergy
Swiftfoot Boots
100% of 1 decks +70% synergy
Enchantments
Psychic Corrosion
100% of 1 decks +99% synergy
Cavalcade of Calamity
100% of 1 decks +98% synergy
Raid Bombardment
100% of 1 decks +98% synergy
Kindred Discovery
100% of 1 decks +96% synergy
Goblin Bombardment
100% of 1 decks +96% synergy
Reconnaissance Mission
100% of 1 decks +95% synergy
Teferi's Ageless Insight
100% of 1 decks +91% synergy
Impact Tremors
100% of 1 decks +90% synergy
Rhystic Study
100% of 1 decks +73% synergy
Battles
Invasion of Segovia
100% of 1 decks +98% synergy
Utility Lands
Desolate Lighthouse
100% of 1 decks +89% synergy
Reliquary Tower
100% of 1 decks +49% synergy
Mana Artifacts
Strixhaven Stadium
100% of 1 decks +99% synergy
Talisman of Creativity
100% of 1 decks +42% synergy
Izzet Signet
100% of 1 decks +34% synergy
Arcane Signet
100% of 1 decks +15% synergy
Sol Ring
100% of 1 decks +12% synergy
Lands
Reflecting Pool
100% of 1 decks +95% synergy
Volatile Fjord
100% of 1 decks +93% synergy
Silverbluff Bridge
100% of 1 decks +89% synergy
Swiftwater Cliffs
100% of 1 decks +81% synergy
Myriad Landscape
100% of 1 decks +78% synergy
Stormcarved Coast
100% of 1 decks +63% synergy
Cascade Bluffs
100% of 1 decks +61% synergy
Izzet Boilerworks
100% of 1 decks +56% synergy
Temple of Epiphany
100% of 1 decks +55% synergy
Training Center
100% of 1 decks +54% synergy
Shivan Reef
100% of 1 decks +41% synergy
Sulfur Falls
100% of 1 decks +38% synergy
Command Tower
100% of 1 decks +13% synergy