Agatha's Soul Cauldron + Triskelion + Young Wolf

Agatha's Soul Cauldron
Triskelion
Young Wolf

Requires
Agatha's Soul Cauldron must be on the battlefield. Triskelion must be in exile (exiled by Agatha's Soul Cauldron). Young Wolf must be on the battlefield. Young Wolf has at least one +1/+1 counter on it.
Steps
  1. Activate Young Wolf using Triskelion's ability by removing a +1/+1 counter from it.
  2. Repeat step 1 until Young Wolf has no +1/+1 counters on it.
  3. Resolve all Young Wolf abilities dealing 1 damage to Young Wolf, and any remaining damage to any target(s).
  4. Young Wolf dies as a state-based action due to having 0 toughness.
  5. Young Wolf's undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
  6. Repeat.
Results
Infinite death triggers. Infinite ETB. Infinite LTB.

Walking Ballista
73% of 26 decks +70% synergy
Yawgmoth, Thran Physician
67% of 18 decks +65% synergy
Viscera Seer
61% of 18 decks +56% synergy
Birds of Paradise
58% of 26 decks +45% synergy
Insidious Roots
57% of 7 decks +55% synergy
Neoform
56% of 9 decks +54% synergy
Mikaeus, the Unhallowed
56% of 18 decks +54% synergy
Heliod, Sun-Crowned
56% of 9 decks +54% synergy
Strangleroot Geist
50% of 26 decks +50% synergy
Devoted Druid
50% of 26 decks +49% synergy
Creatures
Ignoble Hierarch
100% of 3 decks +97% synergy
Evolution Witness
75% of 4 decks +72% synergy
Blood Artist
50% of 18 decks +44% synergy
Llanowar Elves
50% of 26 decks +40% synergy
Kitchen Finks
44% of 9 decks +44% synergy
Fiend Artisan
44% of 18 decks +44% synergy
Tribute Mage
44% of 9 decks +43% synergy
Elves of Deep Shadow
44% of 18 decks +42% synergy
Deathrite Shaman
44% of 18 decks +42% synergy
Grumgully, the Generous
43% of 7 decks +42% synergy
Protean Hulk
38% of 26 decks +38% synergy
Eternal Witness
35% of 26 decks +24% synergy
Safehold Elite
33% of 9 decks +33% synergy
Vizier of Remedies
33% of 9 decks +33% synergy
Geralf's Messenger
33% of 18 decks +33% synergy
Good-Fortune Unicorn
33% of 9 decks +33% synergy
Kinnan, Bonder Prodigy
33% of 9 decks +32% synergy
Trophy Mage
33% of 9 decks +32% synergy
Ranger-Captain of Eos
33% of 9 decks +31% synergy
Carrion Feeder
33% of 18 decks +31% synergy
Phyrexian Metamorph
33% of 9 decks +30% synergy
Zulaport Cutthroat
33% of 18 decks +28% synergy
Orcish Bowmasters
33% of 18 decks +28% synergy
Delighted Halfling
27% of 26 decks +20% synergy
Elvish Mystic
27% of 26 decks +18% synergy
Fyndhorn Elves
23% of 26 decks +17% synergy
Hapatra, Vizier of Poisons
22% of 18 decks +22% synergy
Butcher Ghoul
22% of 18 decks +22% synergy
Necrotic Ooze
22% of 18 decks +22% synergy
Mazirek, Kraul Death Priest
22% of 18 decks +21% synergy
Opposition Agent
22% of 18 decks +18% synergy
Incubation Druid
19% of 26 decks +17% synergy
Kami of Whispered Hopes
19% of 26 decks +16% synergy
Bloom Tender
19% of 26 decks +15% synergy
Dina, Soul Steeper
17% of 18 decks +16% synergy
Razaketh, the Foulblooded
17% of 18 decks +15% synergy
Disciple of the Vault
17% of 18 decks +15% synergy
Grim Haruspex
17% of 18 decks +14% synergy
Renata, Called to the Hunt
15% of 26 decks +14% synergy
Haywire Mite
15% of 26 decks +13% synergy
Champion of Lambholt
15% of 26 decks +12% synergy
Sakura-Tribe Elder
15% of 26 decks +7% synergy
Melira, Sylvok Outcast
12% of 26 decks +11% synergy
Cryptic Trilobite
12% of 26 decks +11% synergy
Wall of Roots
12% of 26 decks +11% synergy
Herd Baloth
12% of 26 decks +11% synergy
Karametra's Acolyte
12% of 26 decks +11% synergy
Vorinclex, Monstrous Raider
12% of 26 decks +10% synergy
Temur Sabertooth
12% of 26 decks +10% synergy
Toski, Bearer of Secrets
12% of 26 decks +8% synergy
Instants
Chord of Calling
46% of 26 decks +43% synergy
Mana Drain
44% of 9 decks +37% synergy
Fierce Guardianship
44% of 9 decks +36% synergy
Cyclonic Rift
44% of 9 decks +31% synergy
Deflecting Swat
43% of 7 decks +35% synergy
Worldly Tutor
42% of 26 decks +36% synergy
Vampiric Tutor
39% of 18 decks +29% synergy
Entomb
33% of 18 decks +30% synergy
Assassin's Trophy
33% of 18 decks +27% synergy
Enlightened Tutor
33% of 9 decks +25% synergy
An Offer You Can't Refuse
33% of 9 decks +23% synergy
Counterspell
33% of 9 decks +12% synergy
Swords to Plowshares
33% of 9 decks +5% synergy
Abrupt Decay
28% of 18 decks +26% synergy
Deadly Rollick
28% of 18 decks +22% synergy
Noxious Revival
23% of 26 decks +20% synergy
Dark Ritual
22% of 18 decks +11% synergy
Beast Within
15% of 26 decks -3% synergy
Veil of Summer
12% of 26 decks +9% synergy
Sorceries
Diabolic Intent
50% of 18 decks +45% synergy
Eldritch Evolution
46% of 26 decks +44% synergy
Fabricate
44% of 9 decks +41% synergy
Demonic Tutor
39% of 18 decks +27% synergy
Transmute Artifact
33% of 9 decks +33% synergy
Culling Ritual
33% of 18 decks +31% synergy
Damnation
28% of 18 decks +23% synergy
Reanimate
28% of 18 decks +20% synergy
Green Sun's Zenith
27% of 26 decks +24% synergy
Finale of Devastation
23% of 26 decks +19% synergy
Unmarked Grave
22% of 18 decks +21% synergy
Buried Alive
22% of 18 decks +19% synergy
Life // Death
17% of 18 decks +16% synergy
Dread Return
17% of 18 decks +14% synergy
Toxic Deluge
17% of 18 decks +8% synergy
Nature's Lore
15% of 26 decks +0% synergy
Rampant Growth
15% of 26 decks -1% synergy
Sylvan Tutor
12% of 26 decks +11% synergy
Kodama's Reach
12% of 26 decks -4% synergy
Cultivate
12% of 26 decks -10% synergy
Utility Artifacts
Ashnod's Altar
42% of 26 decks +35% synergy
Altar of Dementia
31% of 26 decks +28% synergy
Birthing Pod
27% of 26 decks +26% synergy
Skullclamp
27% of 26 decks +14% synergy
Tarrian's Soulcleaver
24% of 17 decks +21% synergy
Lightning Greaves
23% of 26 decks -2% synergy
The Great Henge
19% of 26 decks +15% synergy
The One Ring
19% of 26 decks +10% synergy
Wishclaw Talisman
17% of 18 decks +14% synergy
Phyrexian Altar
15% of 26 decks +11% synergy
Blasting Station
12% of 26 decks +11% synergy
Ozolith, the Shattered Spire
12% of 26 decks +8% synergy
The Ozolith
12% of 26 decks +8% synergy
Enchantments
Mystic Remora
44% of 9 decks +36% synergy
Swift Reconfiguration
33% of 9 decks +33% synergy
Smothering Tithe
33% of 9 decks +22% synergy
Rhystic Study
33% of 9 decks +20% synergy
Necropotence
22% of 18 decks +20% synergy
Animate Dead
22% of 18 decks +17% synergy
Hardened Scales
19% of 26 decks +15% synergy
Sylvan Library
19% of 26 decks +13% synergy
The Meathook Massacre
17% of 18 decks +14% synergy
Bastion of Remembrance
17% of 18 decks +13% synergy
Court of Garenbrig
15% of 20 decks +13% synergy
Survival of the Fittest
12% of 26 decks +11% synergy
Branching Evolution
12% of 26 decks +9% synergy
Elven Chorus
12% of 26 decks +9% synergy
Doubling Season
12% of 26 decks +7% synergy
Battles
Invasion of Ikoria
12% of 26 decks +9% synergy
Planeswalkers
Grist, the Hunger Tide
33% of 18 decks +33% synergy
Tyvar, Jubilant Brawler
22% of 18 decks +21% synergy
Utility Lands
Boseiju, Who Endures
46% of 26 decks +37% synergy
Phyrexian Tower
33% of 18 decks +29% synergy
Yavimaya, Cradle of Growth
31% of 26 decks +21% synergy
Dryad Arbor
27% of 26 decks +25% synergy
Urza's Saga
23% of 26 decks +16% synergy
Bojuka Bog
22% of 18 decks +7% synergy
Nesting Grounds
12% of 26 decks +10% synergy
Oran-Rief, the Vastwood
12% of 26 decks +9% synergy
Urborg, Tomb of Yawgmoth
12% of 26 decks +1% synergy
Ancient Tomb
12% of 26 decks +1% synergy
Reliquary Tower
12% of 26 decks -18% synergy
Mana Artifacts
Sol Ring
85% of 26 decks +0% synergy
Arcane Signet
81% of 26 decks +9% synergy
Chrome Mox
23% of 26 decks +17% synergy
Fellwar Stone
23% of 26 decks +2% synergy
Talisman of Resilience
22% of 18 decks +20% synergy
Golgari Signet
22% of 18 decks +20% synergy
Mox Opal
19% of 26 decks +15% synergy
Mox Diamond
15% of 26 decks +11% synergy
Mana Crypt
15% of 26 decks +4% synergy
Mana Vault
12% of 26 decks +5% synergy
Lotus Petal
12% of 26 decks +5% synergy
Jeweled Lotus
12% of 26 decks +4% synergy
Commander's Sphere
12% of 26 decks -4% synergy
Lands
Command Tower
77% of 26 decks +3% synergy
Overgrown Tomb
72% of 18 decks +63% synergy
Stomping Ground
71% of 7 decks +62% synergy
Spire Garden
57% of 7 decks +52% synergy
Godless Shrine
57% of 7 decks +48% synergy
Undergrowth Stadium
56% of 18 decks +50% synergy
Temple Garden
56% of 9 decks +47% synergy
Breeding Pool
56% of 9 decks +46% synergy
Verdant Catacombs
46% of 26 decks +35% synergy
Tropical Island
44% of 9 decks +41% synergy
Brushland
44% of 9 decks +41% synergy
Llanowar Wastes
44% of 18 decks +39% synergy
Karplusan Forest
43% of 7 decks +39% synergy
Vault of Champions
43% of 7 decks +37% synergy
Exotic Orchard
35% of 26 decks -1% synergy
Tangled Islet
33% of 9 decks +32% synergy
Underground Mortuary
33% of 9 decks +30% synergy
Yavimaya Coast
33% of 9 decks +28% synergy
Wooded Foothills
31% of 26 decks +21% synergy
Misty Rainforest
31% of 26 decks +19% synergy
Twilight Mire
28% of 18 decks +26% synergy
Woodland Cemetery
28% of 18 decks +22% synergy
Windswept Heath
27% of 26 decks +17% synergy
Mana Confluence
23% of 26 decks +16% synergy
City of Brass
23% of 26 decks +15% synergy
Bloodstained Mire
23% of 26 decks +13% synergy
Polluted Delta
23% of 26 decks +12% synergy
Marsh Flats
23% of 26 decks +12% synergy
Evolving Wilds
23% of 26 decks +2% synergy
Bayou
22% of 18 decks +19% synergy
Gemstone Caverns
19% of 26 decks +14% synergy
Blooming Marsh
17% of 18 decks +16% synergy
Nurturing Peatland
17% of 18 decks +15% synergy
Tainted Wood
17% of 18 decks +14% synergy
Golgari Rot Farm
17% of 18 decks +13% synergy
Ash Barrens
15% of 26 decks +11% synergy
Arid Mesa
15% of 26 decks +5% synergy
The Mycosynth Gardens
12% of 26 decks +9% synergy
Fabled Passage
12% of 26 decks +2% synergy
Scalding Tarn
12% of 26 decks +0% synergy