Agatha's Soul Cauldron + Deeproot Pilgrimage + Kelpie Guide

Agatha's Soul Cauldron
Deeproot Pilgrimage
Kelpie Guide

Requires
Agatha's Soul Cauldron must be on the battlefield. Deeproot Pilgrimage must be on the battlefield. Kelpie Guide must be in exile.
Steps
  1. Activate the nontoken Merfolk using Kelpie Guide's ability by tapping it.
  2. Deeproot Pilgrimage triggers, creating a 1/1 Merfolk creature token.
  3. Resolve the Merfolk's ability, untapping the other creature.
  4. Activate the other creature using Kelpie Guide's ability by tapping it, untapping the nontoken Merfolk.
  5. Repeat.
Results
Infinite ETB. Infinite creature tokens.

Neerdiv, Devious Diver
2.26% of 1416 decks 32 decks
Hakbal of the Surging Soul
0.01% of 17055 decks 1 decks
Kumena, Tyrant of Orazca
0.02% of 4707 decks 1 decks
Rona, Herald of Invasion
0.05% of 1972 decks 1 decks
New Cards
Unending Whisper
40% of 5 decks +40% synergy
Winternight Stories
29% of 7 decks +28% synergy
Stillness in Motion
20% of 5 decks +20% synergy
Riverchurn Monument
19% of 16 decks +18% synergy
Diviner of Mist
17% of 6 decks +16% synergy
High Synergy Cards
Freed from the Real
89% of 35 decks +87% synergy
Fatestitcher
83% of 35 decks +82% synergy
Aphetto Alchemist
74% of 35 decks +74% synergy
Pemmin's Aura
74% of 35 decks +73% synergy
Otherworldly Gaze
74% of 35 decks +73% synergy
Deep Analysis
74% of 35 decks +72% synergy
Sapphire Medallion
63% of 35 decks +60% synergy
Mystic Sanctuary
71% of 35 decks +60% synergy
Think Twice
60% of 35 decks +59% synergy
Dream Twist
54% of 35 decks +54% synergy
Top Cards
Counterspell
69% of 35 decks +26% synergy
Vizier of Tumbling Sands
54% of 35 decks +53% synergy
Intruder Alarm
54% of 35 decks +52% synergy
High Tide
54% of 35 decks +51% synergy
Emry, Lurker of the Loch
54% of 35 decks +50% synergy
Pongify
51% of 35 decks +40% synergy
Swiftfoot Boots
51% of 35 decks +24% synergy
Jace, Wielder of Mysteries
49% of 35 decks +45% synergy
Forensic Researcher
47% of 34 decks +47% synergy
Combat Courier
46% of 35 decks +46% synergy
Game Changers
Cyclonic Rift
51% of 35 decks +25% synergy
Thassa's Oracle
43% of 35 decks +36% synergy
Mystical Tutor
37% of 35 decks +23% synergy
Fierce Guardianship
34% of 35 decks +16% synergy
Force of Will
31% of 35 decks +21% synergy
Rhystic Study
29% of 35 decks +2% synergy
Ancient Tomb
17% of 35 decks +7% synergy
Chrome Mox
11% of 35 decks +5% synergy
The One Ring
11% of 35 decks +3% synergy
Mana Vault
9% of 35 decks +2% synergy
Creatures
Snapcaster Mage
46% of 35 decks +44% synergy
Malevolent Hermit
40% of 35 decks +39% synergy
Lier, Disciple of the Drowned
40% of 35 decks +39% synergy
Laboratory Maniac
40% of 35 decks +36% synergy
Archmage's Newt
38% of 34 decks +38% synergy
Merfolk Pupil
37% of 35 decks +37% synergy
Terisian Mindbreaker
37% of 35 decks +36% synergy
Ioreth of the Healing House
37% of 35 decks +36% synergy
Drowner of Secrets
34% of 35 decks +34% synergy
Sphinx of Forgotten Lore
32% of 34 decks +32% synergy
Kiora, the Rising Tide
32% of 34 decks +31% synergy
River Kelpie
31% of 35 decks +31% synergy
Gale, Waterdeep Prodigy
31% of 35 decks +31% synergy
Unctus, Grand Metatect
26% of 35 decks +24% synergy
The Mindskinner
24% of 34 decks +22% synergy
Jace, Vryn's Prodigy
23% of 35 decks +22% synergy
Harbinger of the Seas
21% of 34 decks +19% synergy
Scavenged Brawler
20% of 35 decks +19% synergy
Millikin
20% of 35 decks +19% synergy
Mirrorhall Mimic
20% of 35 decks +19% synergy
Drift of Phantasms
20% of 35 decks +19% synergy
Skyway Robber
17% of 35 decks +17% synergy
Clever Conjurer
17% of 35 decks +17% synergy
Torrential Gearhulk
17% of 35 decks +16% synergy
Bruvac the Grandiloquent
17% of 35 decks +16% synergy
Wonder
17% of 35 decks +14% synergy
Slickshot Lockpicker
15% of 34 decks +14% synergy
Marvin, Murderous Mimic
15% of 34 decks +13% synergy
Patrician Geist
14% of 35 decks +14% synergy
Taigam, Master Opportunist
14% of 7 decks +14% synergy
Amphin Mutineer
14% of 35 decks +13% synergy
Pollywog Prodigy
12% of 34 decks +8% synergy
Hydroelectric Specimen
12% of 34 decks +8% synergy
Omen Hawker
11% of 35 decks +11% synergy
Tishana's Tidebinder
11% of 35 decks +10% synergy
Kitsa, Otterball Elite
9% of 34 decks +7% synergy
Valley Floodcaller
9% of 34 decks +6% synergy
Lantern Bearer
9% of 35 decks +8% synergy
Vodalian Hexcatcher
9% of 35 decks +8% synergy
Deranged Assistant
9% of 35 decks +8% synergy
Vizier of Many Faces
9% of 35 decks +8% synergy
Merrow Reejerey
9% of 35 decks +8% synergy
Master of the Pearl Trident
9% of 35 decks +7% synergy
Zellix, Sanity Flayer
9% of 35 decks +7% synergy
Ruin Crab
9% of 35 decks +6% synergy
Ledger Shredder
9% of 35 decks +5% synergy
Talrand, Sky Summoner
9% of 35 decks +4% synergy
Roaming Throne
9% of 35 decks +2% synergy
Instants
Mission Briefing
46% of 35 decks +45% synergy
Rapid Hybridization
46% of 35 decks +36% synergy
Arcane Denial
46% of 35 decks +26% synergy
Radical Idea
43% of 35 decks +42% synergy
Mana Drain
43% of 35 decks +28% synergy
Defy Gravity
40% of 35 decks +40% synergy
Slip Out the Back
40% of 35 decks +37% synergy
Dramatic Reversal
40% of 35 decks +35% synergy
An Offer You Can't Refuse
40% of 35 decks +19% synergy
Visions of Beyond
37% of 35 decks +36% synergy
Shore Up
37% of 35 decks +36% synergy
Frantic Search
37% of 35 decks +24% synergy
Swan Song
37% of 35 decks +21% synergy
Sink into Stupor
32% of 34 decks +23% synergy
Muddle the Mixture
31% of 35 decks +27% synergy
Memory Deluge
29% of 35 decks +28% synergy
Chemister's Insight
23% of 35 decks +22% synergy
Flusterstorm
23% of 35 decks +16% synergy
Force of Negation
23% of 35 decks +14% synergy
Negate
23% of 35 decks +0% synergy
Flash of Insight
20% of 35 decks +20% synergy
Reality Shift
20% of 35 decks +11% synergy
Oona's Grace
17% of 35 decks +17% synergy
Consider
17% of 35 decks +11% synergy
Brainstorm
17% of 35 decks -3% synergy
Flare of Denial
15% of 34 decks +12% synergy
Retraction Helix
14% of 35 decks +14% synergy
Stifle
14% of 35 decks +14% synergy
Mindbreak Trap
14% of 35 decks +10% synergy
Resculpt
14% of 35 decks +10% synergy
Glimpse of Freedom
11% of 35 decks +11% synergy
Refocus
11% of 35 decks +11% synergy
March of Swirling Mist
11% of 35 decks +8% synergy
Spell Pierce
11% of 35 decks +8% synergy
Snap
11% of 35 decks +4% synergy
Reenact the Crime
9% of 34 decks +8% synergy
Into the Flood Maw
9% of 34 decks +6% synergy
Banishing Knack
9% of 35 decks +8% synergy
Cerulean Wisps
9% of 35 decks +8% synergy
Misdirection
9% of 35 decks +7% synergy
Thought Scour
9% of 35 decks +6% synergy
Ripples of Potential
9% of 35 decks +6% synergy
Chain of Vapor
9% of 35 decks +5% synergy
Mental Misstep
9% of 35 decks +3% synergy
Aetherize
9% of 35 decks +3% synergy
Sorceries
Increasing Confusion
43% of 35 decks +43% synergy
Artful Dodge
43% of 35 decks +42% synergy
Inspiration from Beyond
41% of 34 decks +41% synergy
Mass Diminish
34% of 35 decks +34% synergy
Maddening Cacophony
29% of 35 decks +27% synergy
Quasiduplicate
26% of 35 decks +24% synergy
Fabricate
26% of 35 decks +20% synergy
Windfall
26% of 35 decks +13% synergy
Echo of Eons
23% of 35 decks +21% synergy
Quiet Speculation
20% of 35 decks +20% synergy
Start the TARDIS
20% of 35 decks +20% synergy
Scour All Possibilities
20% of 35 decks +20% synergy
Treasure Cruise
17% of 35 decks +12% synergy
Runic Repetition
14% of 35 decks +14% synergy
Ureni's Rebuff
14% of 7 decks +14% synergy
Hidden Strings
14% of 35 decks +14% synergy
Sweet Oblivion
11% of 35 decks +11% synergy
Maximize Altitude
11% of 35 decks +11% synergy
Cut Your Losses
11% of 35 decks +10% synergy
Personal Tutor
11% of 35 decks +10% synergy
Merchant Scroll
11% of 35 decks +10% synergy
Recall
9% of 35 decks +8% synergy
Startled Awake
9% of 35 decks +8% synergy
Self-Reflection
9% of 35 decks +8% synergy
Consuming Tide
9% of 35 decks +8% synergy
Spectral Deluge
9% of 35 decks +8% synergy
Tasha's Hideous Laughter
9% of 35 decks +7% synergy
Fractured Sanity
9% of 35 decks +7% synergy
Wave Goodbye
9% of 35 decks +7% synergy
Solve the Equation
9% of 35 decks +5% synergy
Ponder
9% of 35 decks -4% synergy
Utility Artifacts
Mesmeric Orb
31% of 35 decks +30% synergy
Isochron Scepter
29% of 35 decks +26% synergy
Catalyst Stone
23% of 35 decks +23% synergy
Codex Shredder
23% of 35 decks +22% synergy
Lightning Greaves
23% of 35 decks -2% synergy
Mind Stone
20% of 35 decks +3% synergy
Wishing Well
18% of 34 decks +17% synergy
Lotus Petal
17% of 35 decks +10% synergy
Subterranean Schooner
14% of 35 decks +14% synergy
Jack-o'-Lantern
11% of 35 decks +11% synergy
Smuggler's Copter
11% of 35 decks +10% synergy
Mindcrank
11% of 35 decks +10% synergy
Commander's Plate
11% of 35 decks +9% synergy
Blackblade Reforged
11% of 35 decks +8% synergy
Thousand-Year Elixir
9% of 35 decks +7% synergy
Aether Syphon
6% of 17 decks +5% synergy
Enchantments
Secrets of the Dead
40% of 35 decks +39% synergy
Aura of Dominion
34% of 35 decks +34% synergy
Mystic Remora
34% of 35 decks +17% synergy
Propaganda
26% of 35 decks +14% synergy
Second Wind
20% of 35 decks +20% synergy
Search for Azcanta
17% of 35 decks +16% synergy
Drowned Secrets
14% of 35 decks +14% synergy
Witness Protection
14% of 35 decks +13% synergy
The Tale of Tamiyo
12% of 34 decks +12% synergy
Crab Umbra
11% of 35 decks +11% synergy
Mind Over Matter
11% of 35 decks +11% synergy
Fraying Sanity
11% of 35 decks +10% synergy
Psychic Corrosion
11% of 35 decks +10% synergy
Ominous Roost
9% of 35 decks +9% synergy
Merrow Commerce
9% of 35 decks +8% synergy
Back to Basics
9% of 35 decks +8% synergy
Unstoppable Plan
6% of 16 decks +4% synergy
Planeswalkers
Narset, Parter of Veils
9% of 35 decks +4% synergy
Utility Lands
Otawara, Soaring City
54% of 35 decks +38% synergy
Drownyard Temple
51% of 35 decks +51% synergy
Minamo, School at Water's Edge
51% of 35 decks +47% synergy
Reliquary Tower
49% of 35 decks +19% synergy
Academy Ruins
34% of 35 decks +29% synergy
Nykthos, Shrine to Nyx
31% of 35 decks +26% synergy
Cephalid Coliseum
29% of 35 decks +26% synergy
Urza's Saga
26% of 35 decks +19% synergy
Rogue's Passage
26% of 35 decks +6% synergy
Sunken Palace
24% of 34 decks +23% synergy
Maze of Ith
23% of 35 decks +20% synergy
War Room
20% of 35 decks +14% synergy
Lonely Sandbar
14% of 35 decks +11% synergy
Castle Vantress
14% of 35 decks +10% synergy
Mistrise Village
14% of 7 decks +10% synergy
Buried Ruin
14% of 35 decks +9% synergy
Tolaria West
11% of 35 decks +10% synergy
Rivendell
11% of 35 decks +7% synergy
Karn's Bastion
9% of 35 decks +4% synergy
Mana Artifacts
Sol Ring
86% of 35 decks +1% synergy
Paradise Mantle
80% of 35 decks +79% synergy
Relic of Legends
77% of 35 decks +75% synergy
Springleaf Drum
66% of 35 decks +64% synergy
Arcane Signet
66% of 35 decks -7% synergy
Honor-Worn Shaku
37% of 35 decks +37% synergy
Patriar's Seal
20% of 35 decks +18% synergy
Throne of Eldraine
17% of 35 decks +15% synergy
Thought Vessel
17% of 35 decks +0% synergy
Moonsnare Prototype
14% of 35 decks +14% synergy
Mox Amber
11% of 35 decks +7% synergy
Mox Opal
11% of 35 decks +7% synergy
Sky Diamond
9% of 35 decks +4% synergy
Midnight Clock
9% of 35 decks +3% synergy
Lands
Survivors' Encampment
43% of 35 decks +42% synergy
Holdout Settlement
40% of 35 decks +39% synergy
Myriad Landscape
34% of 35 decks +16% synergy
Scene of the Crime
24% of 34 decks +23% synergy
Gemstone Caverns
20% of 35 decks +15% synergy
Cavern of Souls
20% of 35 decks +13% synergy
Misty Rainforest
20% of 35 decks +8% synergy
Flooded Strand
17% of 35 decks +6% synergy
Polluted Delta
17% of 35 decks +6% synergy
Scalding Tarn
11% of 35 decks +1% synergy
Demolition Field
9% of 35 decks +6% synergy
Prismatic Vista
9% of 35 decks +3% synergy
Path of Ancestry
9% of 35 decks -13% synergy