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
2.25% of 1379 decks 31 decks
Rona, Herald of Invasion
0.05% of 1956 decks 1 decks
Kumena, Tyrant of Orazca
0.02% of 4662 decks 1 decks
Hakbal of the Surging Soul
0.01% of 16828 decks 1 decks
New Cards
Stillness in Motion
50% of 2 decks +50% synergy
Unending Whisper
50% of 2 decks +50% synergy
Winternight Stories
50% of 4 decks +50% synergy
Ureni's Rebuff
25% of 4 decks +25% synergy
Riverchurn Monument
20% of 15 decks +19% synergy
High Synergy Cards
Freed from the Real
88% of 34 decks +86% synergy
Fatestitcher
82% of 34 decks +82% synergy
Aphetto Alchemist
76% of 34 decks +76% synergy
Otherworldly Gaze
76% of 34 decks +75% synergy
Deep Analysis
76% of 34 decks +74% synergy
Pemmin's Aura
74% of 34 decks +72% synergy
Think Twice
62% of 34 decks +61% synergy
Sapphire Medallion
62% of 34 decks +59% synergy
Mystic Sanctuary
71% of 34 decks +59% synergy
Dream Twist
56% of 34 decks +56% synergy
Top Cards
Counterspell
68% of 34 decks +25% synergy
Vizier of Tumbling Sands
56% of 34 decks +55% synergy
Intruder Alarm
53% of 34 decks +51% synergy
High Tide
53% of 34 decks +49% synergy
Emry, Lurker of the Loch
53% of 34 decks +49% synergy
Pongify
53% of 34 decks +42% synergy
Swiftfoot Boots
50% of 34 decks +22% synergy
Forensic Researcher
48% of 33 decks +48% synergy
Combat Courier
47% of 34 decks +47% synergy
Mission Briefing
47% of 34 decks +46% synergy
Game Changers
Cyclonic Rift
50% of 34 decks +23% synergy
Thassa's Oracle
41% of 34 decks +34% synergy
Mystical Tutor
38% of 34 decks +24% synergy
Fierce Guardianship
35% of 34 decks +17% synergy
Force of Will
32% of 34 decks +21% synergy
Rhystic Study
29% of 34 decks +3% synergy
Ancient Tomb
18% of 34 decks +8% synergy
Chrome Mox
12% of 34 decks +6% synergy
The One Ring
12% of 34 decks +4% synergy
Mana Vault
9% of 34 decks +3% synergy
Creatures
Snapcaster Mage
47% of 34 decks +45% synergy
Archmage's Newt
42% of 33 decks +42% synergy
Malevolent Hermit
41% of 34 decks +40% synergy
Lier, Disciple of the Drowned
41% of 34 decks +40% synergy
Laboratory Maniac
41% of 34 decks +37% synergy
Merfolk Pupil
38% of 34 decks +38% synergy
Ioreth of the Healing House
38% of 34 decks +37% synergy
Terisian Mindbreaker
35% of 34 decks +34% synergy
Sphinx of Forgotten Lore
33% of 33 decks +33% synergy
Kiora, the Rising Tide
33% of 33 decks +32% synergy
Drowner of Secrets
32% of 34 decks +32% synergy
River Kelpie
32% of 34 decks +32% synergy
Gale, Waterdeep Prodigy
32% of 34 decks +32% synergy
Unctus, Grand Metatect
26% of 34 decks +25% synergy
The Mindskinner
24% of 33 decks +23% synergy
Jace, Vryn's Prodigy
24% of 34 decks +23% synergy
Harbinger of the Seas
21% of 33 decks +20% synergy
Scavenged Brawler
21% of 34 decks +20% synergy
Millikin
21% of 34 decks +20% synergy
Mirrorhall Mimic
21% of 34 decks +20% synergy
Drift of Phantasms
21% of 34 decks +20% synergy
Skyway Robber
18% of 34 decks +18% synergy
Clever Conjurer
18% of 34 decks +17% synergy
Torrential Gearhulk
18% of 34 decks +17% synergy
Wonder
18% of 34 decks +15% synergy
Slickshot Lockpicker
15% of 33 decks +15% synergy
Marvin, Murderous Mimic
15% of 33 decks +14% synergy
Patrician Geist
15% of 34 decks +14% synergy
Bruvac the Grandiloquent
15% of 34 decks +14% synergy
Amphin Mutineer
15% of 34 decks +13% synergy
Hydroelectric Specimen
12% of 33 decks +8% synergy
Omen Hawker
12% of 34 decks +11% synergy
Tishana's Tidebinder
12% of 34 decks +10% synergy
Kitsa, Otterball Elite
9% of 33 decks +7% synergy
Valley Floodcaller
9% of 33 decks +6% synergy
Pollywog Prodigy
9% of 33 decks +5% synergy
Lantern Bearer
9% of 34 decks +9% synergy
Deranged Assistant
9% of 34 decks +8% synergy
Vodalian Hexcatcher
9% of 34 decks +8% synergy
Vizier of Many Faces
9% of 34 decks +8% synergy
Merrow Reejerey
9% of 34 decks +8% synergy
Master of the Pearl Trident
9% of 34 decks +8% synergy
Ledger Shredder
9% of 34 decks +5% synergy
Talrand, Sky Summoner
9% of 34 decks +4% synergy
Roaming Throne
9% of 34 decks +2% synergy
Instants
Rapid Hybridization
47% of 34 decks +38% synergy
Arcane Denial
47% of 34 decks +27% synergy
Radical Idea
44% of 34 decks +44% synergy
Mana Drain
44% of 34 decks +29% synergy
Defy Gravity
41% of 34 decks +41% synergy
An Offer You Can't Refuse
41% of 34 decks +20% synergy
Slip Out the Back
38% of 34 decks +36% synergy
Dramatic Reversal
38% of 34 decks +33% synergy
Frantic Search
38% of 34 decks +25% synergy
Visions of Beyond
35% of 34 decks +34% synergy
Shore Up
35% of 34 decks +34% synergy
Swan Song
35% of 34 decks +19% synergy
Muddle the Mixture
32% of 34 decks +27% synergy
Sink into Stupor
30% of 33 decks +21% synergy
Memory Deluge
29% of 34 decks +29% synergy
Chemister's Insight
24% of 34 decks +23% synergy
Flusterstorm
24% of 34 decks +16% synergy
Force of Negation
24% of 34 decks +15% synergy
Negate
24% of 34 decks +1% synergy
Flash of Insight
21% of 34 decks +21% synergy
Reality Shift
21% of 34 decks +12% synergy
Oona's Grace
18% of 34 decks +18% synergy
Consider
18% of 34 decks +12% synergy
Brainstorm
18% of 34 decks -2% synergy
Flare of Denial
15% of 33 decks +13% synergy
Retraction Helix
15% of 34 decks +14% synergy
Mindbreak Trap
15% of 34 decks +10% synergy
Resculpt
15% of 34 decks +10% synergy
Glimpse of Freedom
12% of 34 decks +12% synergy
Refocus
12% of 34 decks +11% synergy
Stifle
12% of 34 decks +11% synergy
March of Swirling Mist
12% of 34 decks +9% synergy
Spell Pierce
12% of 34 decks +8% synergy
Snap
12% of 34 decks +5% synergy
Reenact the Crime
9% of 33 decks +9% synergy
Into the Flood Maw
9% of 33 decks +6% synergy
Banishing Knack
9% of 34 decks +9% synergy
Cerulean Wisps
9% of 34 decks +8% synergy
Misdirection
9% of 34 decks +7% synergy
Thought Scour
9% of 34 decks +7% synergy
Ripples of Potential
9% of 34 decks +7% synergy
Chain of Vapor
9% of 34 decks +5% synergy
Mental Misstep
9% of 34 decks +3% synergy
Sorceries
Increasing Confusion
44% of 34 decks +44% synergy
Artful Dodge
44% of 34 decks +43% synergy
Inspiration from Beyond
42% of 33 decks +42% synergy
Mass Diminish
35% of 34 decks +35% synergy
Quasiduplicate
26% of 34 decks +25% synergy
Maddening Cacophony
26% of 34 decks +24% synergy
Fabricate
26% of 34 decks +21% synergy
Windfall
26% of 34 decks +14% synergy
Echo of Eons
24% of 34 decks +22% synergy
Quiet Speculation
21% of 34 decks +20% synergy
Start the TARDIS
21% of 34 decks +20% synergy
Scour All Possibilities
21% of 34 decks +20% synergy
Treasure Cruise
18% of 34 decks +13% synergy
Runic Repetition
15% of 34 decks +15% synergy
Hidden Strings
15% of 34 decks +14% synergy
Sweet Oblivion
12% of 34 decks +12% synergy
Maximize Altitude
12% of 34 decks +12% synergy
Personal Tutor
12% of 34 decks +10% synergy
Merchant Scroll
12% of 34 decks +10% synergy
Recall
9% of 34 decks +9% synergy
Startled Awake
9% of 34 decks +9% synergy
Self-Reflection
9% of 34 decks +9% synergy
Consuming Tide
9% of 34 decks +8% synergy
Spectral Deluge
9% of 34 decks +8% synergy
Cut Your Losses
9% of 34 decks +8% synergy
Tasha's Hideous Laughter
9% of 34 decks +8% synergy
Fractured Sanity
9% of 34 decks +7% synergy
Wave Goodbye
9% of 34 decks +7% synergy
Solve the Equation
9% of 34 decks +5% synergy
Ponder
9% of 34 decks -3% synergy
Utility Artifacts
Mesmeric Orb
29% of 34 decks +28% synergy
Isochron Scepter
26% of 34 decks +24% synergy
Catalyst Stone
24% of 34 decks +23% synergy
Codex Shredder
24% of 34 decks +23% synergy
Lightning Greaves
24% of 34 decks -2% synergy
Wishing Well
18% of 33 decks +18% synergy
Lotus Petal
18% of 34 decks +11% synergy
Mind Stone
18% of 34 decks +1% synergy
Jack-o'-Lantern
12% of 34 decks +12% synergy
Subterranean Schooner
12% of 34 decks +11% synergy
Smuggler's Copter
12% of 34 decks +11% synergy
Commander's Plate
12% of 34 decks +9% synergy
Blackblade Reforged
12% of 34 decks +8% synergy
Mindcrank
9% of 34 decks +7% synergy
Thousand-Year Elixir
9% of 34 decks +7% synergy
Aether Syphon
6% of 16 decks +6% synergy
Enchantments
Secrets of the Dead
41% of 34 decks +40% synergy
Mystic Remora
35% of 34 decks +18% synergy
Aura of Dominion
32% of 34 decks +32% synergy
Propaganda
24% of 34 decks +11% synergy
Second Wind
21% of 34 decks +21% synergy
Search for Azcanta
18% of 34 decks +16% synergy
Drowned Secrets
15% of 34 decks +14% synergy
Witness Protection
15% of 34 decks +13% synergy
The Tale of Tamiyo
12% of 33 decks +12% synergy
Crab Umbra
12% of 34 decks +12% synergy
Mind Over Matter
12% of 34 decks +11% synergy
Ominous Roost
9% of 34 decks +9% synergy
Merrow Commerce
9% of 34 decks +8% synergy
Fraying Sanity
9% of 34 decks +8% synergy
Psychic Corrosion
9% of 34 decks +7% synergy
Unstoppable Plan
7% of 15 decks +4% synergy
Planeswalkers
Jace, Wielder of Mysteries
47% of 34 decks +44% synergy
Narset, Parter of Veils
9% of 34 decks +4% synergy
Utility Lands
Otawara, Soaring City
53% of 34 decks +37% synergy
Drownyard Temple
50% of 34 decks +49% synergy
Minamo, School at Water's Edge
50% of 34 decks +46% synergy
Reliquary Tower
50% of 34 decks +20% synergy
Academy Ruins
32% of 34 decks +27% synergy
Cephalid Coliseum
29% of 34 decks +26% synergy
Nykthos, Shrine to Nyx
29% of 34 decks +24% synergy
Rogue's Passage
26% of 34 decks +7% synergy
Sunken Palace
24% of 33 decks +23% synergy
Maze of Ith
24% of 34 decks +21% synergy
Urza's Saga
24% of 34 decks +17% synergy
War Room
18% of 34 decks +11% synergy
Lonely Sandbar
15% of 34 decks +11% synergy
Castle Vantress
15% of 34 decks +11% synergy
Buried Ruin
15% of 34 decks +10% synergy
Tolaria West
12% of 34 decks +11% synergy
Rivendell
12% of 34 decks +8% synergy
Karn's Bastion
9% of 34 decks +4% synergy
Mana Artifacts
Sol Ring
85% of 34 decks +1% synergy
Paradise Mantle
79% of 34 decks +79% synergy
Relic of Legends
76% of 34 decks +74% synergy
Arcane Signet
68% of 34 decks -5% synergy
Springleaf Drum
65% of 34 decks +63% synergy
Honor-Worn Shaku
38% of 34 decks +38% synergy
Patriar's Seal
21% of 34 decks +19% synergy
Thought Vessel
18% of 34 decks +0% synergy
Moonsnare Prototype
15% of 34 decks +14% synergy
Throne of Eldraine
15% of 34 decks +13% synergy
Mox Amber
12% of 34 decks +7% synergy
Mox Opal
12% of 34 decks +7% synergy
Sky Diamond
9% of 34 decks +4% synergy
Midnight Clock
9% of 34 decks +4% synergy
Lands
Survivors' Encampment
41% of 34 decks +40% synergy
Holdout Settlement
38% of 34 decks +38% synergy
Myriad Landscape
35% of 34 decks +17% synergy
Scene of the Crime
24% of 33 decks +24% synergy
Gemstone Caverns
21% of 34 decks +16% synergy
Cavern of Souls
21% of 34 decks +14% synergy
Misty Rainforest
21% of 34 decks +9% synergy
Flooded Strand
18% of 34 decks +7% synergy
Polluted Delta
18% of 34 decks +6% synergy
Scalding Tarn
12% of 34 decks +1% synergy
Prismatic Vista
9% of 34 decks +4% synergy
Path of Ancestry
9% of 34 decks -13% synergy