Shepherd of the Cosmos + Bloodflow Connoisseur + Kaya's Ghostform

Shepherd of the Cosmos
Bloodflow Connoisseur
Kaya's Ghostform

Requires
Shepherd of the Cosmos must be on the battlefield. Bloodflow Connoisseur must be on the battlefield. Kaya's Ghostform must be on the battlefield. Kaya's Ghostform attached to Shepherd of the Cosmos.
Steps
  1. Activate Bloodflow Connoisseur by sacrificing Shepherd of the Cosmos.
  2. When Shepherd of the Cosmos dies, Kaya's Ghostform triggers, returning Shepherd of the Cosmos from your graveyard to the battlefield.
  3. When Shepherd of the Cosmos enters the battlefield, it triggers, returning Kaya's Ghostform from your graveyard to the battlefield attached to Shepherd of the Cosmos.
  4. Resolve the Bloodflow Connoisseur ability, putting a +1/+1 counter on it.
  5. Repeat.
Results
Infinite LTB. Infinite ETB. Infinite sacrifice triggers. Infinite death triggers. Infinite +1/+1 counters on Bloodflow Connoisseur.

Karador, Ghost Chieftain
0.02% of 5461 decks 1 decks
Sidar Kondo of Jamuraa // Tormod, the Desecrator
0.58% of 171 decks 1 decks
Creatures
Fiend Hunter
100% of 2 decks +99% synergy
Yahenni, Undying Partisan
100% of 2 decks +98% synergy
Woe Strider
100% of 2 decks +96% synergy
Saffi Eriksdotter
100% of 2 decks +95% synergy
Reveillark
100% of 2 decks +94% synergy
Accursed Marauder
100% of 1 decks +94% synergy
Solemn Simulacrum
100% of 2 decks +93% synergy
Karmic Guide
100% of 2 decks +92% synergy
Honest Rutstein
100% of 1 decks +92% synergy
Bartolomé del Presidio
100% of 1 decks +92% synergy
The Necrobloom
100% of 1 decks +90% synergy
Sun Titan
100% of 2 decks +89% synergy
Cankerbloom
100% of 1 decks +86% synergy
Viscera Seer
100% of 2 decks +84% synergy
Magnanimous Magistrate
50% of 2 decks +50% synergy
Falkenrath Torturer
50% of 2 decks +50% synergy
Dross Hopper
50% of 2 decks +50% synergy
Faceless Butcher
50% of 2 decks +50% synergy
Devouring Swarm
50% of 2 decks +50% synergy
Icewind Stalwart
50% of 2 decks +50% synergy
Danitha, Benalia's Hope
50% of 2 decks +50% synergy
Hero of the Dunes
50% of 2 decks +50% synergy
Prowling Geistcatcher
50% of 2 decks +50% synergy
Dusk Legion Zealot
50% of 2 decks +50% synergy
Bloodthrone Vampire
50% of 2 decks +50% synergy
Cavalier of Night
50% of 2 decks +50% synergy
Cartel Aristocrat
50% of 2 decks +49% synergy
Abdel Adrian, Gorion's Ward
50% of 2 decks +49% synergy
Activated Sleeper
50% of 2 decks +49% synergy
Wall of Omens
50% of 2 decks +49% synergy
Body Launderer
50% of 2 decks +49% synergy
Felidar Guardian
50% of 2 decks +49% synergy
Restoration Angel
50% of 2 decks +49% synergy
Wall of Blossoms
50% of 2 decks +49% synergy
Renegade Rallier
50% of 2 decks +48% synergy
Circle of the Land Druid
50% of 2 decks +48% synergy
Shriekmaw
50% of 2 decks +47% synergy
Priest of Fell Rites
50% of 2 decks +47% synergy
Welcoming Vampire
50% of 2 decks +47% synergy
Lurrus of the Dream-Den
50% of 2 decks +47% synergy
Plaguecrafter
50% of 2 decks +46% synergy
Nethroi, Apex of Death
50% of 2 decks +46% synergy
Ravenous Chupacabra
50% of 2 decks +46% synergy
Spirited Companion
50% of 2 decks +46% synergy
Gravebreaker Lamia
50% of 2 decks +46% synergy
Pitiless Plunderer
50% of 2 decks +45% synergy
Spore Frog
50% of 2 decks +45% synergy
Fauna Shaman
50% of 2 decks +45% synergy
Skull Prophet
50% of 2 decks +43% synergy
Satyr Wayfinder
50% of 2 decks +43% synergy
Instants
Grisly Salvage
50% of 2 decks +42% synergy
Path to Exile
50% of 2 decks +5% synergy
Sorceries
Damnable Pact
50% of 2 decks +50% synergy
Sign in Blood
50% of 2 decks +47% synergy
Read the Bones
50% of 2 decks +46% synergy
Dread Return
50% of 2 decks +44% synergy
Victimize
50% of 2 decks +43% synergy
Painful Truths
50% of 2 decks +43% synergy
Buried Alive
50% of 2 decks +42% synergy
Night's Whisper
50% of 2 decks +35% synergy
Utility Artifacts
Spawning Pit
50% of 2 decks +50% synergy
Blasting Station
50% of 2 decks +49% synergy
Fluctuator
50% of 2 decks +49% synergy
Wayfarer's Bauble
50% of 2 decks +48% synergy
Altar of Dementia
50% of 2 decks +43% synergy
Phyrexian Altar
50% of 2 decks +43% synergy
Ashnod's Altar
50% of 2 decks +35% synergy
Enchantments
Fungal Fortitude
100% of 1 decks +100% synergy
Angelic Renewal
100% of 2 decks +99% synergy
Dual Nature
50% of 2 decks +50% synergy
Fanatical Devotion
50% of 2 decks +49% synergy
Greed
50% of 2 decks +49% synergy
Dance of the Dead
50% of 2 decks +49% synergy
Fecundity
50% of 2 decks +48% synergy
Animate Dead
50% of 2 decks +43% synergy
Utility Lands
Urborg, Tomb of Yawgmoth
50% of 2 decks +29% synergy
Yavimaya, Cradle of Growth
50% of 2 decks +23% synergy
Mana Artifacts
Arcane Signet
100% of 2 decks +35% synergy
Star Compass
50% of 2 decks +50% synergy
Coldsteel Heart
50% of 2 decks +50% synergy
Marble Diamond
50% of 2 decks +50% synergy
Mind Stone
50% of 2 decks +48% synergy
Talisman of Hierarchy
50% of 2 decks +44% synergy
Selesnya Signet
50% of 2 decks +42% synergy
Orzhov Signet
50% of 2 decks +42% synergy
Fellwar Stone
50% of 2 decks +40% synergy
Golgari Signet
50% of 2 decks +39% synergy
Sol Ring
50% of 2 decks -30% synergy
Lands
Deceptive Landscape
100% of 1 decks +62% synergy
Canopy Vista
100% of 2 decks +55% synergy
Sandsteppe Citadel
100% of 2 decks +49% synergy
Exotic Orchard
100% of 2 decks +45% synergy
Command Tower
100% of 2 decks +9% synergy
Fetid Heath
50% of 2 decks +44% synergy
Twilight Mire
50% of 2 decks +44% synergy
Brightclimb Pathway
50% of 2 decks +42% synergy
Darkbore Pathway
50% of 2 decks +42% synergy
Branchloft Pathway
50% of 2 decks +41% synergy
Shattered Sanctum
50% of 2 decks +38% synergy
Myriad Landscape
50% of 2 decks +36% synergy
Temple of Plenty
50% of 2 decks +34% synergy
Orzhov Basilica
50% of 2 decks +34% synergy
Temple of Silence
50% of 2 decks +34% synergy
Temple of Malady
50% of 2 decks +33% synergy
Murmuring Bosk
50% of 2 decks +29% synergy
Path of Ancestry
50% of 2 decks +24% synergy
Evolving Wilds
50% of 2 decks +22% synergy
Bountiful Promenade
50% of 2 decks +19% synergy
Undergrowth Stadium
50% of 2 decks +17% synergy
Sunpetal Grove
50% of 2 decks +16% synergy
Isolated Chapel
50% of 2 decks +15% synergy
Woodland Cemetery
50% of 2 decks +13% synergy
Indatha Triome
50% of 2 decks +6% synergy