Agatha's Soul Cauldron + Grumgully, the Generous + Krenko, Mob Boss + Concordant Crossroads

Agatha's Soul Cauldron
Grumgully, the Generous
Krenko, Mob Boss
Concordant Crossroads

Requires
Agatha's Soul Cauldron must be on the battlefield. Grumgully, the Generous must be on the battlefield. Krenko, Mob Boss must be in exile (exiled with Agatha's soul cauldron). Concordant Crossroads must be on the battlefield. You control a creature with a +1/+1 counter on it.
Steps
  1. Activate a creature with a +1/+1 counter on it, creating a 1/1 red Goblin creature token.
  2. The 1/1 Goblin token enters with a +1/+1 counter on it due to Grumgully's ability.
  3. Repeat.
Results
Infinite ETB. Infinite tapped creature tokens.

Rulik Mons, Warren Chief
0.17% of 594 decks 1 decks
Creatures
Goblin Assassin
100% of 1 decks +100% synergy
Wily Goblin
100% of 1 decks +100% synergy
Goblin Piledriver
100% of 1 decks +100% synergy
Goblin Lackey
100% of 1 decks +100% synergy
Warren Instigator
100% of 1 decks +100% synergy
Moria Marauder
100% of 1 decks +100% synergy
Goblin Ringleader
100% of 1 decks +100% synergy
Rundvelt Hordemaster
100% of 1 decks +100% synergy
Muxus, Goblin Grandee
100% of 1 decks +100% synergy
Goblin King
100% of 1 decks +100% synergy
Hobgoblin Bandit Lord
100% of 1 decks +100% synergy
Goblin Trashmaster
100% of 1 decks +100% synergy
Redcap Gutter-Dweller
100% of 1 decks +100% synergy
Battle Cry Goblin
100% of 1 decks +100% synergy
Goblin Chieftain
100% of 1 decks +100% synergy
Pashalik Mons
100% of 1 decks +99% synergy
Goblin Rabblemaster
100% of 1 decks +99% synergy
Goblin Warchief
100% of 1 decks +99% synergy
Conspicuous Snoop
100% of 1 decks +99% synergy
Treasure Nabber
100% of 1 decks +99% synergy
Breeches, Eager Pillager
100% of 1 decks +99% synergy
Squee, Dubious Monarch
100% of 1 decks +99% synergy
Grenzo, Havoc Raiser
100% of 1 decks +99% synergy
Legion Warboss
100% of 1 decks +99% synergy
Skirk Prospector
100% of 1 decks +99% synergy
Boartusk Liege
100% of 1 decks +99% synergy
Goblin Welder
100% of 1 decks +99% synergy
Impulsive Pilferer
100% of 1 decks +99% synergy
Goblin Matron
100% of 1 decks +98% synergy
Sardian Avenger
100% of 1 decks +98% synergy
Goro-Goro, Disciple of Ryusei
100% of 1 decks +98% synergy
Kiki-Jiki, Mirror Breaker
100% of 1 decks +97% synergy
Realmwalker
100% of 1 decks +95% synergy
Krenko, Tin Street Kingpin
100% of 1 decks +93% synergy
Ragavan, Nimble Pilferer
100% of 1 decks +92% synergy
Dockside Extortionist
100% of 1 decks +91% synergy
Professional Face-Breaker
100% of 1 decks +90% synergy
Instants
Guff Rewrites History
100% of 1 decks +99% synergy
Lightning Bolt
100% of 1 decks +92% synergy
Tibalt's Trickery
100% of 1 decks +92% synergy
Deflecting Swat
100% of 1 decks +85% synergy
Chaos Warp
100% of 1 decks +55% synergy
Sorceries
Finale of Devastation
100% of 1 decks +92% synergy
Jeska's Will
100% of 1 decks +81% synergy
Utility Artifacts
Skullclamp
100% of 1 decks +96% synergy
Lifecrafter's Bestiary
100% of 1 decks +95% synergy
The One Ring
100% of 1 decks +95% synergy
Lightning Greaves
100% of 1 decks +77% synergy
Enchantments
Descendants' Fury
100% of 1 decks +100% synergy
Descent into Avernus
100% of 1 decks +96% synergy
Goblin Bombardment
100% of 1 decks +96% synergy
Sylvan Library
100% of 1 decks +87% synergy
Utility Lands
Maze of Ith
100% of 1 decks +98% synergy
Strip Mine
100% of 1 decks +97% synergy
Nykthos, Shrine to Nyx
100% of 1 decks +97% synergy
Command Beacon
100% of 1 decks +95% synergy
Ancient Tomb
100% of 1 decks +92% synergy
Yavimaya, Cradle of Growth
100% of 1 decks +81% synergy
Reliquary Tower
100% of 1 decks +75% synergy
Rogue's Passage
100% of 1 decks +73% synergy
Kessig Wolf Run
100% of 1 decks +59% synergy
Mana Artifacts
Mox Opal
100% of 1 decks +98% synergy
Chrome Mox
100% of 1 decks +97% synergy
Jeweled Lotus
100% of 1 decks +95% synergy
Mana Crypt
100% of 1 decks +95% synergy
Thought Vessel
100% of 1 decks +91% synergy
Arcane Signet
100% of 1 decks +38% synergy
Sol Ring
100% of 1 decks +20% synergy
Lands
Forbidden Orchard
100% of 1 decks +99% synergy
Reflecting Pool
100% of 1 decks +97% synergy
Gemstone Caverns
100% of 1 decks +97% synergy
Mana Confluence
100% of 1 decks +97% synergy
City of Brass
100% of 1 decks +96% synergy
Cavern of Souls
100% of 1 decks +94% synergy
Grove of the Burnwillows
100% of 1 decks +91% synergy
Taiga
100% of 1 decks +88% synergy
Rugged Highlands
100% of 1 decks +87% synergy
Path of Ancestry
100% of 1 decks +83% synergy
Wooded Foothills
100% of 1 decks +73% synergy
Karplusan Forest
100% of 1 decks +64% synergy
Spire Garden
100% of 1 decks +62% synergy
Stomping Ground
100% of 1 decks +55% synergy
Rockfall Vale
100% of 1 decks +54% synergy
Game Trail
100% of 1 decks +53% synergy
Rootbound Crag
100% of 1 decks +51% synergy
Cinder Glade
100% of 1 decks +30% synergy
Command Tower
100% of 1 decks +16% synergy