Agatha's Soul Cauldron + Deeproot Pilgrimage + Fatestitcher

Agatha's Soul Cauldron
Deeproot Pilgrimage
Fatestitcher

Requires
Agatha's Soul Cauldron must be on the battlefield. Deeproot Pilgrimage must be on the battlefield. Fatestitcher must be in exile.
Steps
  1. Activate the nontoken Merfolk using Fatestitcher'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 Fatestitcher's ability by tapping it, untapping the nontoken Merfolk.
  5. Repeat.
Results
Infinite ETB. Infinite creature tokens.

Neerdiv, Devious Diver
4.14% of 1449 decks 60 decks
Kumena, Tyrant of Orazca
0.02% of 4749 decks 1 decks
Hakbal of the Surging Soul
0.01% of 17298 decks 1 decks
New Cards
Winternight Stories
40% of 10 decks +39% synergy
Unending Whisper
29% of 7 decks +28% synergy
Ureni's Rebuff
20% of 10 decks +20% synergy
Stillness in Motion
14% of 7 decks +14% synergy
Mistrise Village
10% of 10 decks +4% synergy
High Synergy Cards
Freed from the Real
85% of 62 decks +83% synergy
Deep Analysis
84% of 62 decks +82% synergy
Pemmin's Aura
81% of 62 decks +79% synergy
Sapphire Medallion
77% of 62 decks +75% synergy
Emry, Lurker of the Loch
77% of 62 decks +73% synergy
Otherworldly Gaze
74% of 62 decks +73% synergy
Mystic Sanctuary
82% of 62 decks +71% synergy
Aphetto Alchemist
69% of 62 decks +69% synergy
Think Twice
69% of 62 decks +68% synergy
High Tide
69% of 62 decks +66% synergy
Top Cards
Counterspell
76% of 62 decks +33% synergy
Artful Dodge
63% of 62 decks +62% synergy
Dream Twist
61% of 62 decks +61% synergy
Pongify
61% of 62 decks +50% synergy
Snapcaster Mage
60% of 62 decks +58% synergy
Intruder Alarm
60% of 62 decks +58% synergy
Lier, Disciple of the Drowned
56% of 62 decks +55% synergy
Increasing Confusion
55% of 62 decks +55% synergy
Rapid Hybridization
55% of 62 decks +46% synergy
Slip Out the Back
52% of 62 decks +49% synergy
Game Changers
Cyclonic Rift
45% of 62 decks +19% synergy
Thassa's Oracle
40% of 62 decks +33% synergy
Fierce Guardianship
31% of 62 decks +13% synergy
Mystical Tutor
26% of 62 decks +12% synergy
Rhystic Study
26% of 62 decks -1% synergy
Force of Will
21% of 62 decks +10% synergy
Ancient Tomb
16% of 62 decks +6% synergy
Chrome Mox
10% of 62 decks +4% synergy
The One Ring
10% of 62 decks +2% synergy
Mana Vault
8% of 62 decks +2% synergy
Creatures
Archmage's Newt
51% of 61 decks +51% synergy
Combat Courier
50% of 62 decks +50% synergy
Terisian Mindbreaker
48% of 62 decks +48% synergy
Gale, Waterdeep Prodigy
47% of 62 decks +46% synergy
Kelpie Guide
47% of 62 decks +46% synergy
River Kelpie
44% of 62 decks +43% synergy
Malevolent Hermit
44% of 62 decks +42% synergy
Laboratory Maniac
39% of 62 decks +34% synergy
Jace, Vryn's Prodigy
37% of 62 decks +37% synergy
Vizier of Tumbling Sands
37% of 62 decks +36% synergy
Forensic Researcher
34% of 61 decks +34% synergy
Drowner of Secrets
34% of 62 decks +34% synergy
Hydroelectric Specimen
31% of 61 decks +27% synergy
Merfolk Pupil
31% of 62 decks +31% synergy
Torrential Gearhulk
31% of 62 decks +30% synergy
Sphinx of Forgotten Lore
30% of 61 decks +29% synergy
Kiora, the Rising Tide
30% of 61 decks +28% synergy
Millikin
27% of 62 decks +26% synergy
Amphin Mutineer
27% of 62 decks +26% synergy
Wonder
24% of 62 decks +21% synergy
Skyway Robber
23% of 62 decks +22% synergy
Ledger Shredder
23% of 62 decks +19% synergy
Harbinger of the Seas
21% of 61 decks +20% synergy
The Mindskinner
20% of 61 decks +18% synergy
Scavenged Brawler
19% of 62 decks +19% synergy
Bruvac the Grandiloquent
19% of 62 decks +18% synergy
Ioreth of the Healing House
18% of 62 decks +16% synergy
Mirrorhall Mimic
16% of 62 decks +15% synergy
Unctus, Grand Metatect
16% of 62 decks +15% synergy
Slickshot Lockpicker
15% of 61 decks +14% synergy
Zellix, Sanity Flayer
15% of 62 decks +13% synergy
Patrician Geist
11% of 62 decks +11% synergy
Drift of Phantasms
11% of 62 decks +10% synergy
Master of the Pearl Trident
11% of 62 decks +10% synergy
Talrand, Sky Summoner
11% of 62 decks +7% synergy
Lord of Atlantis
10% of 62 decks +9% synergy
Vodalian Hexcatcher
10% of 62 decks +9% synergy
Deranged Assistant
10% of 62 decks +9% synergy
Vizier of Many Faces
10% of 62 decks +9% synergy
Merrow Reejerey
10% of 62 decks +9% synergy
Lantern Bearer
8% of 62 decks +8% synergy
Mischievous Catgeist
8% of 62 decks +8% synergy
Lullmage Mentor
8% of 62 decks +8% synergy
Cosima, God of the Voyage
8% of 62 decks +7% synergy
Mist Dancer
8% of 62 decks +7% synergy
Merfolk Sovereign
8% of 62 decks +7% synergy
Ruin Crab
8% of 62 decks +6% synergy
Marvin, Murderous Mimic
7% of 61 decks +5% synergy
Valley Floodcaller
7% of 61 decks +3% synergy
Pollywog Prodigy
7% of 61 decks +2% synergy
Instants
An Offer You Can't Refuse
50% of 62 decks +28% synergy
Shore Up
48% of 62 decks +47% synergy
Arcane Denial
47% of 62 decks +27% synergy
Defy Gravity
45% of 62 decks +45% synergy
Sink into Stupor
44% of 61 decks +35% synergy
Mission Briefing
44% of 62 decks +43% synergy
Frantic Search
40% of 62 decks +27% synergy
Radical Idea
39% of 62 decks +38% synergy
Visions of Beyond
37% of 62 decks +36% synergy
Mana Drain
35% of 62 decks +21% synergy
Dramatic Reversal
34% of 62 decks +29% synergy
Reality Shift
34% of 62 decks +25% synergy
Swan Song
31% of 62 decks +14% synergy
Memory Deluge
29% of 62 decks +28% synergy
Dig Through Time
29% of 62 decks +24% synergy
Oona's Grace
27% of 62 decks +27% synergy
Resculpt
27% of 62 decks +23% synergy
Muddle the Mixture
27% of 62 decks +23% synergy
Thought Scour
24% of 62 decks +22% synergy
Chemister's Insight
19% of 62 decks +19% synergy
Negate
19% of 62 decks -3% synergy
Cyber Conversion
16% of 62 decks +15% synergy
Force of Negation
16% of 62 decks +7% synergy
Brainstorm
16% of 62 decks -4% synergy
Flash of Insight
15% of 62 decks +14% synergy
Consider
15% of 62 decks +9% synergy
Aetherize
15% of 62 decks +8% synergy
Flusterstorm
15% of 62 decks +7% synergy
Glimpse of Freedom
13% of 62 decks +13% synergy
Reenact the Crime
10% of 61 decks +9% synergy
Flare of Denial
10% of 61 decks +7% synergy
Mental Note
10% of 62 decks +9% synergy
Flow of Knowledge
10% of 62 decks +9% synergy
Fact or Fiction
10% of 62 decks +4% synergy
Retraction Helix
8% of 62 decks +8% synergy
Cryptic Command
8% of 62 decks +6% synergy
Strix Serenade
7% of 61 decks +3% synergy
Sublime Epiphany
6% of 62 decks +5% synergy
March of Swirling Mist
6% of 62 decks +3% synergy
Snap
6% of 62 decks -1% synergy
Pact of Negation
6% of 62 decks -1% synergy
Sorceries
Treasure Cruise
35% of 62 decks +30% synergy
Quiet Speculation
31% of 62 decks +30% synergy
Windfall
31% of 62 decks +18% synergy
Inspiration from Beyond
30% of 61 decks +29% synergy
Mass Diminish
29% of 62 decks +29% synergy
Maddening Cacophony
27% of 62 decks +25% synergy
Quasiduplicate
26% of 62 decks +25% synergy
Start the TARDIS
24% of 62 decks +24% synergy
Echo of Eons
23% of 62 decks +21% synergy
Fabricate
19% of 62 decks +14% synergy
Wave Goodbye
18% of 62 decks +16% synergy
Tasha's Hideous Laughter
16% of 62 decks +15% synergy
Maximize Altitude
11% of 62 decks +11% synergy
Runic Repetition
11% of 62 decks +11% synergy
Sea Gate Restoration
11% of 62 decks +7% synergy
Scour All Possibilities
10% of 62 decks +9% synergy
Spectral Deluge
10% of 62 decks +9% synergy
Cut Your Losses
10% of 62 decks +9% synergy
Fractured Sanity
10% of 62 decks +8% synergy
Sweet Oblivion
8% of 62 decks +8% synergy
Recall
8% of 62 decks +8% synergy
Startled Awake
8% of 62 decks +8% synergy
Hidden Strings
8% of 62 decks +7% synergy
Merchant Scroll
8% of 62 decks +6% synergy
Ponder
8% of 62 decks -4% synergy
Solve the Equation
6% of 62 decks +3% synergy
Utility Artifacts
Swiftfoot Boots
39% of 62 decks +11% synergy
Mesmeric Orb
34% of 62 decks +32% synergy
Catalyst Stone
32% of 62 decks +32% synergy
Isochron Scepter
26% of 62 decks +24% synergy
Riverchurn Monument
25% of 28 decks +24% synergy
Jack-o'-Lantern
21% of 62 decks +21% synergy
Glamdring
21% of 62 decks +21% synergy
Smuggler's Copter
21% of 62 decks +20% synergy
Blackblade Reforged
21% of 62 decks +17% synergy
Codex Shredder
19% of 62 decks +19% synergy
Wishing Well
18% of 61 decks +18% synergy
Subterranean Schooner
18% of 62 decks +17% synergy
Lightning Greaves
18% of 62 decks -7% synergy
Sting, the Glinting Dagger
15% of 62 decks +13% synergy
Commander's Plate
15% of 62 decks +12% synergy
Lotus Petal
15% of 62 decks +8% synergy
Unlicensed Hearse
11% of 62 decks +11% synergy
Mind Stone
11% of 62 decks -5% synergy
Wayfarer's Bauble
10% of 62 decks +0% synergy
Mindcrank
8% of 62 decks +6% synergy
Thousand-Year Elixir
8% of 62 decks +6% synergy
Ring of Evos Isle
6% of 62 decks +6% synergy
Crucible of Worlds
6% of 62 decks +4% synergy
Enchantments
Secrets of the Dead
50% of 62 decks +49% synergy
Propaganda
34% of 62 decks +22% synergy
Aura of Dominion
31% of 62 decks +31% synergy
Mystic Remora
26% of 62 decks +9% synergy
Crab Umbra
21% of 62 decks +21% synergy
Imprisoned in the Moon
19% of 62 decks +16% synergy
Search for Azcanta
18% of 62 decks +17% synergy
Unable to Scream
13% of 61 decks +12% synergy
Drowned Secrets
13% of 62 decks +13% synergy
Psychic Corrosion
13% of 62 decks +11% synergy
Merrow Commerce
11% of 62 decks +11% synergy
Unstoppable Plan
11% of 28 decks +8% synergy
Second Wind
10% of 62 decks +10% synergy
Opposition
10% of 62 decks +9% synergy
Witness Protection
10% of 62 decks +8% synergy
The Tale of Tamiyo
8% of 61 decks +8% synergy
Fortune Teller's Talent
8% of 61 decks +7% synergy
Proft's Eidetic Memory
8% of 61 decks +6% synergy
Fraying Sanity
8% of 62 decks +7% synergy
Mind Over Matter
6% of 62 decks +6% synergy
Back to Basics
6% of 62 decks +6% synergy
Retreat to Coralhelm
6% of 62 decks +4% synergy
Planeswalkers
Jace, Wielder of Mysteries
44% of 62 decks +40% synergy
Narset, Parter of Veils
6% of 62 decks +2% synergy
Utility Lands
Otawara, Soaring City
66% of 62 decks +50% synergy
Minamo, School at Water's Edge
61% of 62 decks +57% synergy
Drownyard Temple
60% of 62 decks +59% synergy
Reliquary Tower
52% of 62 decks +22% synergy
Academy Ruins
47% of 62 decks +42% synergy
Cephalid Coliseum
44% of 62 decks +41% synergy
Sunken Palace
39% of 61 decks +38% synergy
Rogue's Passage
37% of 62 decks +17% synergy
Nykthos, Shrine to Nyx
35% of 62 decks +30% synergy
Castle Vantress
31% of 62 decks +27% synergy
Urza's Saga
26% of 62 decks +19% synergy
Maze of Ith
24% of 62 decks +21% synergy
Buried Ruin
16% of 62 decks +11% synergy
War Room
16% of 62 decks +10% synergy
Rivendell
15% of 62 decks +10% synergy
Tolaria West
11% of 62 decks +10% synergy
Lonely Sandbar
8% of 62 decks +5% synergy
Seat of the Synod
8% of 62 decks +2% synergy
Tyrite Sanctum
6% of 62 decks +5% synergy
Karn's Bastion
6% of 62 decks +2% synergy
Mana Artifacts
Sol Ring
89% of 62 decks +4% synergy
Relic of Legends
87% of 62 decks +85% synergy
Springleaf Drum
76% of 62 decks +74% synergy
Paradise Mantle
74% of 62 decks +73% synergy
Arcane Signet
69% of 62 decks -3% synergy
Honor-Worn Shaku
56% of 62 decks +56% synergy
Moonsnare Prototype
31% of 62 decks +30% synergy
Thought Vessel
27% of 62 decks +10% synergy
Throne of Eldraine
15% of 62 decks +13% synergy
Patriar's Seal
13% of 62 decks +11% synergy
Mox Amber
8% of 62 decks +4% synergy
Mox Opal
8% of 62 decks +4% synergy
Midnight Clock
6% of 62 decks +1% synergy
Lands
Holdout Settlement
31% of 62 decks +30% synergy
Survivors' Encampment
31% of 62 decks +30% synergy
Myriad Landscape
26% of 62 decks +7% synergy
Misty Rainforest
21% of 62 decks +9% synergy
Scene of the Crime
20% of 61 decks +19% synergy
Flooded Strand
19% of 62 decks +9% synergy
Polluted Delta
16% of 62 decks +5% synergy
Gemstone Caverns
13% of 62 decks +8% synergy
Cavern of Souls
13% of 62 decks +6% synergy
Scalding Tarn
11% of 62 decks +0% synergy
Demolition Field
6% of 62 decks +4% synergy
Prismatic Vista
6% of 62 decks +1% synergy