Umori, the Collector + Acererak the Archlich + Gwenna, Eyes of Gaea

Umori, the Collector
Acererak the Archlich
Gwenna, Eyes of Gaea

Requires
Umori, the Collector must be on the battlefield. Acererak the Archlich must be in hand. Gwenna, Eyes of Gaea must be on the battlefield. You have not completed nor are currently venturing in Tomb of Annihilation. Gwenna does not have summoning sickness. "Creature" chosen with Umori.
Steps
  1. Activate Gwenna by tapping it, adding 1 that can only be spent to cast creature spells or activate abilities of creatures.
  2. Cast Acererak by paying 1.
  3. Gwenna triggers, putting a +1/+1 counter on it and untapping it.
  4. Acererak enters the battlefield, returning itself from the battlefield to your hand and causing you to venture into Lost Mine of Phandelver.
  5. Repeat.
Results
Infinite card draw. Infinite draw triggers. Near-infinite +1/+1 counters. Near-infinite colored mana. Near-infinite creature tokens. Near-infinite damage. Near-infinite ETB. Near-infinite lifegain. Near-infinite lifegain triggers. Near-infinite lifeloss. Near-infinite LTB. Near-infinite storm count. Near-infinite Treasure tokens. Near-infinite ventures into the dungeon.

Umori, the Collector
0.25% of 1205 decks 3 decks
Honest Rutstein
0.42% of 474 decks 2 decks
Muldrotha, the Gravetide
0.01% of 15112 decks 2 decks
Vraska, the Silencer
0.07% of 1455 decks 1 decks
Yarok, the Desecrated
0.01% of 10412 decks 1 decks
Beledros Witherbloom
0.03% of 3473 decks 1 decks
Sidisi, Brood Tyrant
0.02% of 6243 decks 1 decks
Reyhan, Last of the Abzan // Yoshimaru, Ever Faithful
0.06% of 1730 decks 1 decks
Old Stickfingers
0.04% of 2786 decks 1 decks
Henzie "Toolbox" Torre
0.01% of 14573 decks 1 decks
High Synergy Cards
Nylea, Keen-Eyed
57% of 14 decks +56% synergy
Yavimaya, Cradle of Growth
50% of 14 decks +41% synergy
Takenuma, Abandoned Mire
50% of 14 decks +39% synergy
Reanimate
50% of 14 decks +34% synergy
Bontu's Monument
36% of 14 decks +34% synergy
Urborg, Tomb of Yawgmoth
43% of 14 decks +33% synergy
Fauna Shaman
36% of 14 decks +33% synergy
Eldritch Evolution
36% of 14 decks +31% synergy
Beast Whisperer
43% of 14 decks +31% synergy
Delighted Halfling
44% of 9 decks +30% synergy
Top Cards
Llanowar Elves
43% of 14 decks +22% synergy
Eternal Witness
43% of 14 decks +22% synergy
Assassin's Trophy
43% of 14 decks +13% synergy
Relic of Legends
36% of 14 decks +33% synergy
Chord of Calling
36% of 14 decks +30% synergy
Diabolic Intent
36% of 14 decks +27% synergy
Abrupt Decay
36% of 14 decks +25% synergy
Birds of Paradise
36% of 14 decks +9% synergy
Beast Within
36% of 14 decks -3% synergy
Defiler of Flesh
29% of 14 decks +27% synergy
Creatures
Honest Rutstein
50% of 6 decks +41% synergy
Protean Hulk
29% of 14 decks +27% synergy
Ilysian Caryatid
29% of 14 decks +26% synergy
Fiend Artisan
29% of 14 decks +26% synergy
Timeless Witness
29% of 14 decks +26% synergy
Massacre Wurm
29% of 14 decks +24% synergy
Reclamation Sage
29% of 14 decks +18% synergy
Elves of Deep Shadow
29% of 14 decks +18% synergy
Fyndhorn Elves
29% of 14 decks +15% synergy
Sakura-Tribe Elder
29% of 14 decks +10% synergy
Melira, Sylvok Outcast
21% of 14 decks +21% synergy
Cemetery Prowler
21% of 14 decks +21% synergy
Somberwald Sage
21% of 14 decks +20% synergy
Massacre Girl
21% of 14 decks +19% synergy
Spore Frog
21% of 14 decks +19% synergy
Skull Prophet
21% of 14 decks +17% synergy
Plaguecrafter
21% of 14 decks +16% synergy
Bloom Tender
21% of 14 decks +13% synergy
Viscera Seer
21% of 14 decks +12% synergy
Deathrite Shaman
21% of 14 decks +9% synergy
Instants
Vampiric Tutor
43% of 14 decks +25% synergy
Worldly Tutor
29% of 14 decks +14% synergy
Dark Ritual
29% of 14 decks +6% synergy
Heroic Intervention
29% of 14 decks -1% synergy
Noxious Revival
21% of 14 decks +16% synergy
Veil of Summer
21% of 14 decks +15% synergy
Entomb
21% of 14 decks +14% synergy
Sorceries
Rise of the Witch-king
33% of 9 decks +27% synergy
Culling Ritual
29% of 14 decks +18% synergy
Unearth
21% of 14 decks +18% synergy
Imperial Seal
21% of 14 decks +16% synergy
Green Sun's Zenith
21% of 14 decks +15% synergy
Finale of Devastation
21% of 14 decks +13% synergy
Victimize
21% of 14 decks +10% synergy
Demonic Tutor
21% of 14 decks -1% synergy
Utility Artifacts
The Great Henge
21% of 14 decks +12% synergy
Lightning Greaves
21% of 14 decks -4% synergy
Enchantments
Animate Dead
29% of 14 decks +19% synergy
Sylvan Library
29% of 14 decks +17% synergy
Aluren
21% of 14 decks +21% synergy
Earthcraft
21% of 14 decks +21% synergy
Heartless Summoning
21% of 14 decks +20% synergy
Utopia Sprawl
21% of 14 decks +14% synergy
Wild Growth
21% of 14 decks +10% synergy
Battles
Invasion of Ikoria
30% of 10 decks +25% synergy
Planeswalkers
Grist, the Hunger Tide
21% of 14 decks +18% synergy
Utility Lands
Boseiju, Who Endures
29% of 14 decks +9% synergy
Bojuka Bog
29% of 14 decks -2% synergy
Phyrexian Tower
21% of 14 decks +13% synergy
Mana Artifacts
Sol Ring
71% of 14 decks -13% synergy
Arcane Signet
50% of 14 decks -22% synergy
Mana Vault
21% of 14 decks +15% synergy
Lotus Petal
21% of 14 decks +15% synergy
Mana Crypt
21% of 14 decks +12% synergy
Talisman of Resilience
21% of 14 decks +10% synergy
Lands
Overgrown Tomb
79% of 14 decks +36% synergy
Command Tower
79% of 14 decks +5% synergy
Verdant Catacombs
64% of 14 decks +53% synergy
Llanowar Wastes
57% of 14 decks +32% synergy
Undergrowth Stadium
50% of 14 decks +24% synergy
Woodland Cemetery
50% of 14 decks +22% synergy
Darkbore Pathway
43% of 14 decks +34% synergy
Deathcap Glade
43% of 14 decks +29% synergy
Twilight Mire
29% of 14 decks +19% synergy
Polluted Delta
29% of 14 decks +17% synergy
Marsh Flats
29% of 14 decks +17% synergy
Misty Rainforest
29% of 14 decks +17% synergy
Bayou
29% of 14 decks +15% synergy
Blooming Marsh
21% of 14 decks +17% synergy
Prismatic Vista
21% of 14 decks +16% synergy
Nurturing Peatland
21% of 14 decks +16% synergy
Fabled Passage
21% of 14 decks +12% synergy
Windswept Heath
21% of 14 decks +11% synergy
Necroblossom Snarl
21% of 14 decks +10% synergy
Tainted Wood
21% of 14 decks +9% synergy
Terramorphic Expanse
21% of 14 decks +6% synergy
Evolving Wilds
21% of 14 decks +0% synergy
Exotic Orchard
21% of 14 decks -14% synergy