Shilgengar, Sire of Famine + Titania's Song

Shilgengar, Sire of Famine
Titania's Song

Requires
Shilgengar, Sire of Famine must be on the battlefield. Titania's Song must be on the battlefield. You control a permanent that is boosting the toughness of all your creatures by at least 1, or that is giving a creature a +1/+1 counter as it enters the battlefield. You control at least one additional creature.
Steps
  1. Activate Shilgengar's first ability by sacrificing another creature, creating a Blood token.
  2. The Blood token enters the battlefield as a 0/0 creature due to March of the Machines, and will have its toughness boosted by the permanent specified in the pre-requisites to prevent it from dying.
  3. Repeat.
Results
Infinite LTB. Infinite ETB. Infinite sacrifice triggers. Infinite death triggers.

The Necrobloom
0.01% of 9863 decks 1 decks
Atraxa, Grand Unifier
0.01% of 14482 decks 1 decks
Creatures
Eloise, Nephalia Sleuth
100% of 1 decks +99% synergy
The Watcher in the Water
100% of 1 decks +99% synergy
Marneus Calgar
100% of 1 decks +98% synergy
Lifecreed Duo
100% of 1 decks +98% synergy
Archaeomancer
100% of 1 decks +96% synergy
Hazel of the Rootbloom
100% of 1 decks +95% synergy
Tireless Tracker
100% of 2 decks +95% synergy
Koma, Cosmos Serpent
100% of 1 decks +95% synergy
Chatterfang, Squirrel General
100% of 2 decks +95% synergy
Displacer Kitten
100% of 1 decks +95% synergy
Pitiless Plunderer
100% of 2 decks +92% synergy
Camellia, the Seedmiser
100% of 1 decks +92% synergy
Zulaport Cutthroat
100% of 2 decks +90% synergy
Tireless Provisioner
100% of 2 decks +89% synergy
Blood Artist
100% of 2 decks +88% synergy
Mirkwood Bats
100% of 2 decks +88% synergy
Ley Weaver
50% of 2 decks +50% synergy
Stone-Seeder Hierophant
50% of 2 decks +50% synergy
Jade Mage
50% of 2 decks +50% synergy
Tiller Engine
50% of 2 decks +49% synergy
Experimental Confectioner
50% of 2 decks +49% synergy
Bone Miser
50% of 2 decks +49% synergy
Sporemound
50% of 2 decks +48% synergy
Knight of the Reliquary
50% of 2 decks +48% synergy
Emeria Angel
50% of 2 decks +48% synergy
Vein Ripper
50% of 2 decks +48% synergy
Phelia, Exuberant Shepherd
50% of 2 decks +48% synergy
Amalia Benavides Aguirre
50% of 2 decks +47% synergy
Gravecrawler
50% of 2 decks +47% synergy
Prosperous Innkeeper
50% of 2 decks +47% synergy
Sylvan Safekeeper
50% of 2 decks +47% synergy
World Shaper
50% of 2 decks +47% synergy
The Necrobloom
50% of 2 decks +47% synergy
Nadier's Nightblade
50% of 2 decks +46% synergy
Wayward Swordtooth
50% of 2 decks +46% synergy
Beledros Witherbloom
50% of 2 decks +46% synergy
Academy Manufactor
50% of 2 decks +46% synergy
Mirror Entity
50% of 2 decks +45% synergy
Thalia and The Gitrog Monster
50% of 2 decks +45% synergy
Jaheira, Friend of the Forest
50% of 2 decks +45% synergy
The Gitrog Monster
50% of 2 decks +45% synergy
Soul Warden
50% of 2 decks +45% synergy
Peregrin Took
50% of 2 decks +45% synergy
Drannith Magistrate
50% of 2 decks +43% synergy
Ramunap Excavator
50% of 2 decks +43% synergy
Rampaging Baloths
50% of 2 decks +43% synergy
Lotus Cobra
50% of 2 decks +43% synergy
Warren Soultrader
50% of 2 decks +43% synergy
Six
50% of 2 decks +42% synergy
Dryad of the Ilysian Grove
50% of 2 decks +42% synergy
Instants
Disallow
100% of 1 decks +98% synergy
Strix Serenade
100% of 1 decks +93% synergy
Flusterstorm
100% of 1 decks +93% synergy
Saw in Half
50% of 2 decks +47% synergy
Cabal Ritual
50% of 2 decks +45% synergy
Inkshield
50% of 2 decks +44% synergy
Crop Rotation
50% of 2 decks +40% synergy
Village Rites
50% of 2 decks +40% synergy
Abrupt Decay
50% of 2 decks +39% synergy
Teferi's Protection
50% of 2 decks +30% synergy
Dark Ritual
50% of 2 decks +28% synergy
Sorceries
Doppelgang
100% of 1 decks +96% synergy
Dark Petition
50% of 2 decks +49% synergy
Decree of Pain
50% of 2 decks +47% synergy
Awaken the Woods
50% of 2 decks +46% synergy
Hour of Reckoning
50% of 2 decks +46% synergy
Exsanguinate
50% of 2 decks +44% synergy
Sevinne's Reclamation
50% of 2 decks +43% synergy
Eerie Ultimatum
50% of 2 decks +38% synergy
Farewell
50% of 2 decks +37% synergy
Rampant Growth
50% of 2 decks +15% synergy
Cultivate
50% of 2 decks +4% synergy
Utility Artifacts
Crucible of Worlds
100% of 2 decks +97% synergy
Time Sieve
100% of 1 decks +97% synergy
Conduit of Worlds
100% of 2 decks +93% synergy
Fluctuator
50% of 2 decks +50% synergy
Grinding Station
50% of 2 decks +49% synergy
Realmbreaker, the Invasion Tree
50% of 2 decks +49% synergy
Chimil, the Inner Sun
50% of 2 decks +48% synergy
Ashnod's Altar
50% of 2 decks +42% synergy
Enchantments
Shared Fate
100% of 1 decks +100% synergy
Stasis
100% of 1 decks +100% synergy
Bastion of Remembrance
100% of 2 decks +94% synergy
Moonlit Wake
50% of 2 decks +50% synergy
Seed the Land
50% of 2 decks +50% synergy
Perilous Forays
50% of 2 decks +50% synergy
Life and Limb
50% of 2 decks +50% synergy
Conspiracy
50% of 2 decks +49% synergy
Retreat to Emeria
50% of 2 decks +49% synergy
Zendikar's Roil
50% of 2 decks +47% synergy
Case of the Locked Hothouse
50% of 2 decks +46% synergy
Felidar Retreat
50% of 2 decks +43% synergy
Exploration
50% of 2 decks +42% synergy
Insidious Roots
50% of 2 decks +41% synergy
Smothering Tithe
50% of 2 decks +25% synergy
Utility Lands
Blasted Landscape
50% of 2 decks +50% synergy
Desert of the Glorified
50% of 2 decks +49% synergy
Treetop Village
50% of 2 decks +49% synergy
Mishra's Factory
50% of 2 decks +49% synergy
Slippery Karst
50% of 2 decks +49% synergy
Drifting Meadow
50% of 2 decks +49% synergy
Polluted Mire
50% of 2 decks +49% synergy
Stirring Wildwood
50% of 2 decks +49% synergy
Desert of the True
50% of 2 decks +49% synergy
Desert of the Indomitable
50% of 2 decks +49% synergy
Restless Prairie
50% of 2 decks +48% synergy
Secluded Steppe
50% of 2 decks +47% synergy
Field of the Dead
50% of 2 decks +47% synergy
Barren Moor
50% of 2 decks +46% synergy
Eiganjo, Seat of the Empire
50% of 2 decks +41% synergy
Boseiju, Who Endures
50% of 2 decks +30% synergy
Mana Artifacts
Sol Ring
100% of 2 decks +16% synergy
Arcane Signet
50% of 2 decks -22% synergy
Lands
Meticulous Archive
100% of 1 decks +90% synergy
Undercity Sewers
100% of 1 decks +86% synergy
Hedge Maze
100% of 1 decks +86% synergy
Sea of Clouds
100% of 1 decks +74% synergy
Raffine's Tower
100% of 1 decks +72% synergy
Rejuvenating Springs
100% of 1 decks +71% synergy
Zagoth Triome
100% of 1 decks +69% synergy
Spara's Headquarters
100% of 1 decks +68% synergy
Hallowed Fountain
100% of 1 decks +59% synergy
Watery Grave
100% of 1 decks +59% synergy
Breeding Pool
100% of 1 decks +59% synergy
Command Tower
100% of 2 decks +26% synergy
Shire Terrace
50% of 2 decks +49% synergy
Ash Barrens
50% of 2 decks +45% synergy
Scattered Groves
50% of 2 decks +42% synergy
City of Brass
50% of 2 decks +42% synergy
Wooded Foothills
50% of 2 decks +40% synergy
Windswept Heath
50% of 2 decks +40% synergy
Flooded Strand
50% of 2 decks +39% synergy
Arid Mesa
50% of 2 decks +39% synergy
Scalding Tarn
50% of 2 decks +39% synergy
Marsh Flats
50% of 2 decks +39% synergy
Polluted Delta
50% of 2 decks +39% synergy
Verdant Catacombs
50% of 2 decks +39% synergy
Misty Rainforest
50% of 2 decks +38% synergy
Lush Portico
50% of 2 decks +38% synergy
Deceptive Landscape
50% of 2 decks +37% synergy
Shadowy Backstreet
50% of 2 decks +37% synergy
Terramorphic Expanse
50% of 2 decks +34% synergy
Temple of Malady
50% of 2 decks +34% synergy
Underground Mortuary
50% of 2 decks +34% synergy
Myriad Landscape
50% of 2 decks +30% synergy
Evolving Wilds
50% of 2 decks +29% synergy
Sandsteppe Citadel
50% of 2 decks +24% synergy
Undergrowth Stadium
50% of 2 decks +24% synergy
Woodland Cemetery
50% of 2 decks +22% synergy
Indatha Triome
50% of 2 decks +19% synergy
Temple Garden
50% of 2 decks +10% synergy
Godless Shrine
50% of 2 decks +9% synergy
Overgrown Tomb
50% of 2 decks +8% synergy