Druid's Call + Cathars' Crusade + Triskelion + Pir, Imaginative Rascal

Druid's Call
Cathars' Crusade
Triskelion
Pir, Imaginative Rascal

Requires
Druid's Call must be on the battlefield. Cathars' Crusade must be on the battlefield. Triskelion must be on the battlefield. Pir, Imaginative Rascal must be on the battlefield. Druid's Call attached to Triskelion. Triskelion has at least three +1/+1 counters on it.
Steps
  1. Activate Triskelion by removing a +1/+1 counter from it, dealing 1 damage to itself.
  2. Druid's Call triggers, creating a 1/1 Squirrel creature token.
  3. When the Squirrel enters the battlefield, Cathars' Crusade triggers, putting two +1/+1 counters on each creature you control.
  4. Repeat.
  5. During the next player's turn, you may remove all of the +1/+1 counters from Triskelion to deal infinite damage to any target(s).
Results
Infinite +1/+1 counters. Infinite creature tokens. Infinite damage. Infinite ETB.

Leinore, Autumn Sovereign
0.05% of 1933 decks 1 decks
Creatures
Avatar of the Resolute
100% of 1 decks +100% synergy
Crystalline Crawler
100% of 1 decks +100% synergy
Primordial Hydra
100% of 1 decks +98% synergy
Guardian of Faith
100% of 1 decks +98% synergy
Benevolent Hydra
100% of 1 decks +98% synergy
Biophagus
100% of 1 decks +97% synergy
Vigor
100% of 1 decks +97% synergy
Ivy Lane Denizen
100% of 1 decks +97% synergy
Elite Scaleguard
100% of 1 decks +97% synergy
Ainok Bond-Kin
100% of 1 decks +96% synergy
Loyal Guardian
100% of 1 decks +95% synergy
Walking Ballista
100% of 1 decks +95% synergy
Defiler of Vigor
100% of 1 decks +95% synergy
Incubation Druid
100% of 1 decks +95% synergy
Armorcraft Judge
100% of 1 decks +94% synergy
Duskshell Crawler
100% of 1 decks +94% synergy
Managorger Hydra
100% of 1 decks +94% synergy
Gyre Sage
100% of 1 decks +93% synergy
Augur of Autumn
100% of 1 decks +93% synergy
Loran of the Third Path
100% of 1 decks +92% synergy
Forgotten Ancient
100% of 1 decks +91% synergy
Conclave Mentor
100% of 1 decks +88% synergy
Fyndhorn Elves
100% of 1 decks +85% synergy
Kami of Whispered Hopes
100% of 1 decks +84% synergy
Beast Whisperer
100% of 1 decks +82% synergy
Birds of Paradise
100% of 1 decks +79% synergy
Elvish Mystic
100% of 1 decks +79% synergy
Llanowar Elves
100% of 1 decks +74% synergy
Avacyn's Pilgrim
100% of 1 decks +63% synergy
Kutzil, Malamet Exemplar
100% of 1 decks +56% synergy
Instants
Kabira Takedown
100% of 1 decks +97% synergy
Sejiri Shelter
100% of 1 decks +96% synergy
Clever Concealment
100% of 1 decks +93% synergy
Nature's Claim
100% of 1 decks +91% synergy
Return of the Wildspeaker
100% of 1 decks +87% synergy
Stroke of Midnight
100% of 1 decks +84% synergy
Inspiring Call
100% of 1 decks +83% synergy
Heroic Intervention
100% of 1 decks +65% synergy
Generous Gift
100% of 1 decks +64% synergy
Beast Within
100% of 1 decks +57% synergy
Path to Exile
100% of 1 decks +48% synergy
Swords to Plowshares
100% of 1 decks +32% synergy
Sorceries
Council's Judgment
100% of 1 decks +99% synergy
Damning Verdict
100% of 1 decks +93% synergy
Austere Command
100% of 1 decks +79% synergy
Shamanic Revelation
100% of 1 decks +78% synergy
Utility Artifacts
Andúril, Narsil Reforged
100% of 1 decks +97% synergy
Ozolith, the Shattered Spire
100% of 1 decks +89% synergy
Lightning Greaves
100% of 1 decks +82% synergy
Enchantments
Resourceful Defense
100% of 1 decks +98% synergy
Song of the Dryads
100% of 1 decks +94% synergy
Branching Evolution
100% of 1 decks +91% synergy
Sylvan Library
100% of 1 decks +87% synergy
Darksteel Mutation
100% of 1 decks +86% synergy
Tribute to the World Tree
100% of 1 decks +83% synergy
Hardened Scales
100% of 1 decks +83% synergy
Felidar Retreat
100% of 1 decks +78% synergy
Utility Lands
Ghost Quarter
100% of 1 decks +98% synergy
Karn's Bastion
100% of 1 decks +92% synergy
Temple of the False God
100% of 1 decks +91% synergy
Rogue's Passage
100% of 1 decks +76% synergy
Mana Artifacts
Sol Ring
100% of 1 decks +23% synergy
Lands
Wooded Bastion
100% of 1 decks +84% synergy
Branchloft Pathway
100% of 1 decks +75% synergy
Brushland
100% of 1 decks +70% synergy
Sungrass Prairie
100% of 1 decks +67% synergy
Overgrown Farmland
100% of 1 decks +64% synergy
Bountiful Promenade
100% of 1 decks +62% synergy
Temple Garden
100% of 1 decks +56% synergy
Fortified Village
100% of 1 decks +55% synergy
Canopy Vista
100% of 1 decks +33% synergy
Command Tower
100% of 1 decks +16% synergy