Retribution of the Ancients + Phyrexian Altar + Hound of Griselbrand

Retribution of the Ancients
Phyrexian Altar
Hound of Griselbrand

Requires
Retribution of the Ancients must be on the battlefield. Phyrexian Altar must be on the battlefield. Hound of Griselbrand must be on the battlefield. Hound of Griselbrand has no +1/+1 counters on it.
Steps
  1. Activate Phyrexian Altar by sacrificing Hound of Griselbrand, adding .
  2. Hound of Griselbrand dies, triggering its undying ability, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
  3. Activate Retribution of the Ancients by paying and removing a +1/+1 counter from Hound of Griselbrand, giving any creature -1/-1 until end of turn.
  4. Repeat.
Results
Infinite death triggers. Infinite ETB. Infinite lifeloss. Infinite LTB. Infinite sacrifice triggers. Reduce any number of target creatures' toughness to zero.

Exava, Rakdos Blood Witch
0.51% of 396 decks 2 decks
Sek'Kuar, Deathkeeper
0.07% of 1356 decks 1 decks
Grenzo, Dungeon Warden
0.03% of 3292 decks 1 decks
Marchesa, the Black Rose
0.01% of 9496 decks 1 decks
Ziatora, the Incinerator
0.01% of 8061 decks 1 decks
Kresh the Bloodbraided
0.04% of 2694 decks 1 decks
New Cards
Untimely Malfunction
50% of 2 decks +34% synergy
Withering Torment
50% of 2 decks +31% synergy
High Synergy Cards
Ashnod's Altar
100% of 7 decks +92% synergy
Flayer of the Hatebound
71% of 7 decks +71% synergy
Murderous Redcap
71% of 7 decks +70% synergy
The Ozolith
71% of 7 decks +68% synergy
Mikaeus, the Unhallowed
57% of 7 decks +54% synergy
Viscera Seer
57% of 7 decks +48% synergy
Zulaport Cutthroat
57% of 7 decks +47% synergy
Village Rites
57% of 7 decks +47% synergy
Swiftfoot Boots
71% of 7 decks +44% synergy
Creatures
Stormbound Geist
100% of 1 decks +100% synergy
Geralf's Mindcrusher
100% of 1 decks +100% synergy
Strangleroot Geist
100% of 3 decks +100% synergy
Young Wolf
100% of 3 decks +100% synergy
Grimgrin, Corpse-Born
100% of 1 decks +99% synergy
Tekuthal, Inquiry Dominus
100% of 1 decks +97% synergy
Flux Channeler
100% of 1 decks +97% synergy
Gleeful Arsonist
100% of 1 decks +92% synergy
Vorapede
67% of 3 decks +66% synergy
Korvold, Fae-Cursed King
67% of 3 decks +63% synergy
Tesak, Judith's Hellhound
50% of 2 decks +50% synergy
Hancock, Ghoulish Mayor
50% of 2 decks +49% synergy
Spitting Dilophosaurus
50% of 2 decks +49% synergy
Skeleton Crew
50% of 2 decks +49% synergy
Massacre Girl, Known Killer
50% of 2 decks +48% synergy
Yargle and Multani
50% of 2 decks +47% synergy
Warren Soultrader
50% of 2 decks +43% synergy
Marionette Apprentice
50% of 2 decks +43% synergy
Agate Instigator
50% of 2 decks +42% synergy
Accursed Marauder
50% of 2 decks +41% synergy
Demonlord of Ashmouth
43% of 7 decks +43% synergy
Pyreheart Wolf
43% of 7 decks +43% synergy
Butcher Ghoul
43% of 7 decks +43% synergy
Geralf's Messenger
43% of 7 decks +42% synergy
Pitiless Plunderer
43% of 7 decks +35% synergy
Blood Artist
43% of 7 decks +31% synergy
Howlgeist
33% of 3 decks +33% synergy
Melira, Sylvok Outcast
33% of 3 decks +33% synergy
Mirror-Style Master
33% of 3 decks +33% synergy
Phytotitan
33% of 3 decks +33% synergy
Hapatra, Vizier of Poisons
33% of 3 decks +33% synergy
Daemogoth Titan
33% of 3 decks +32% synergy
Brawn
33% of 3 decks +32% synergy
Mr. Orfeo, the Boulder
33% of 3 decks +31% synergy
Meren of Clan Nel Toth
33% of 3 decks +30% synergy
Sakura-Tribe Elder
33% of 3 decks +15% synergy
Ignoble Hierarch
33% of 3 decks +8% synergy
Birds of Paradise
33% of 3 decks +6% synergy
Rage Forger
29% of 7 decks +29% synergy
Evernight Shade
29% of 7 decks +28% synergy
Endling
29% of 7 decks +28% synergy
Tenured Inkcaster
29% of 7 decks +28% synergy
Skyclave Shadowcat
29% of 7 decks +28% synergy
Mer-Ek Nightblade
29% of 7 decks +28% synergy
Hagra Constrictor
29% of 7 decks +28% synergy
Dreadhorde Butcher
29% of 7 decks +28% synergy
Putrid Goblin
29% of 7 decks +28% synergy
Bloodtracker
29% of 7 decks +28% synergy
Thundering Raiju
29% of 7 decks +27% synergy
Akki Battle Squad
29% of 7 decks +27% synergy
Instants
Fuel for the Cause
100% of 1 decks +99% synergy
Steady Progress
100% of 1 decks +99% synergy
Reject Imperfection
100% of 1 decks +99% synergy
Serum Snare
100% of 1 decks +99% synergy
Experimental Augury
100% of 1 decks +97% synergy
Muddle the Mixture
100% of 1 decks +95% synergy
Fierce Guardianship
100% of 1 decks +82% synergy
Vampiric Tutor
57% of 7 decks +39% synergy
Zoyowa's Justice
50% of 2 decks +49% synergy
Guff Rewrites History
50% of 2 decks +49% synergy
Bitter Triumph
50% of 2 decks +45% synergy
Demand Answers
50% of 2 decks +43% synergy
Entish Restoration
50% of 2 decks +42% synergy
Deadly Dispute
43% of 7 decks +32% synergy
Dark Ritual
43% of 7 decks +20% synergy
Momentous Fall
33% of 3 decks +31% synergy
Corrupted Conviction
33% of 3 decks +28% synergy
Nature's Claim
33% of 3 decks +24% synergy
Harrow
33% of 3 decks +24% synergy
Return of the Wildspeaker
33% of 3 decks +20% synergy
Worldly Tutor
33% of 3 decks +19% synergy
Assassin's Trophy
33% of 3 decks +3% synergy
Wild Magic Surge
29% of 7 decks +26% synergy
Deadly Rollick
29% of 7 decks +18% synergy
Abrade
29% of 7 decks +17% synergy
Bedevil
29% of 7 decks +14% synergy
Rakdos Charm
29% of 7 decks +14% synergy
Terminate
29% of 7 decks +8% synergy
Chaos Warp
29% of 7 decks -3% synergy
First Day of Class
14% of 7 decks +14% synergy
Volt Charge
14% of 7 decks +14% synergy
Undying Evil
14% of 7 decks +14% synergy
Fling
14% of 7 decks +12% synergy
Kolaghan's Command
14% of 7 decks +12% synergy
Baleful Mastery
14% of 7 decks +11% synergy
Plumb the Forbidden
14% of 7 decks +11% synergy
Bolt Bend
14% of 7 decks +11% synergy
Tragic Slip
14% of 7 decks +11% synergy
Tibalt's Trickery
14% of 7 decks +9% synergy
Entomb
14% of 7 decks +7% synergy
Malakir Rebirth
14% of 7 decks +6% synergy
Thrill of Possibility
14% of 7 decks +4% synergy
Lightning Bolt
14% of 7 decks +4% synergy
Deflecting Swat
14% of 7 decks -2% synergy
Sorceries
Temporal Manipulation
100% of 1 decks +99% synergy
Temporal Trespass
100% of 1 decks +99% synergy
Contentious Plan
100% of 1 decks +98% synergy
Tezzeret's Gambit
100% of 1 decks +96% synergy
Demonic Tutor
71% of 7 decks +49% synergy
Nature's Lore
67% of 3 decks +35% synergy
Cultivate
67% of 3 decks +21% synergy
Molten Collapse
50% of 2 decks +48% synergy
Feed the Swarm
43% of 7 decks +25% synergy
Reshape the Earth
33% of 3 decks +32% synergy
Rishkar's Expertise
33% of 3 decks +23% synergy
Three Visits
33% of 3 decks +9% synergy
Kodama's Reach
33% of 3 decks +2% synergy
Farseek
33% of 3 decks -1% synergy
Rampant Growth
33% of 3 decks -1% synergy
Aether Snap
29% of 7 decks +28% synergy
Diabolic Tutor
29% of 7 decks +22% synergy
Reanimate
29% of 7 decks +13% synergy
Toxic Deluge
29% of 7 decks +11% synergy
Blasphemous Act
29% of 7 decks -5% synergy
Drown in Ichor
20% of 5 decks +18% synergy
Golden Demise
14% of 7 decks +14% synergy
Black Sun's Zenith
14% of 7 decks +13% synergy
Dreadbore
14% of 7 decks +12% synergy
Persist
14% of 7 decks +12% synergy
Light Up the Stage
14% of 7 decks +11% synergy
Grim Tutor
14% of 7 decks +10% synergy
Read the Bones
14% of 7 decks +7% synergy
Damnation
14% of 7 decks +6% synergy
Diabolic Intent
14% of 7 decks +6% synergy
Sign in Blood
14% of 7 decks +5% synergy
Faithless Looting
14% of 7 decks -2% synergy
Jeska's Will
14% of 7 decks -3% synergy
Utility Artifacts
Agatha's Soul Cauldron
50% of 2 decks +48% synergy
Tarrian's Soulcleaver
50% of 2 decks +48% synergy
Altar of Dementia
43% of 7 decks +40% synergy
Birthing Pod
33% of 3 decks +31% synergy
Mithril Coat
33% of 3 decks +27% synergy
The One Ring
33% of 3 decks +24% synergy
Power Conduit
29% of 7 decks +28% synergy
Contagion Clasp
29% of 7 decks +27% synergy
Lightning Greaves
29% of 7 decks +3% synergy
Reito Lantern
14% of 7 decks +14% synergy
Tel-Jilad Stylus
14% of 7 decks +14% synergy
Azor's Gateway
14% of 7 decks +14% synergy
Ring of Xathrid
14% of 7 decks +14% synergy
Crystal Ball
14% of 7 decks +14% synergy
The Cauldron of Eternity
14% of 7 decks +14% synergy
Animation Module
14% of 7 decks +14% synergy
Desecrated Tomb
14% of 7 decks +14% synergy
Heartstone
14% of 7 decks +14% synergy
Cauldron of Souls
14% of 7 decks +14% synergy
Blasting Station
14% of 7 decks +14% synergy
God-Pharaoh's Statue
14% of 7 decks +14% synergy
Defense Grid
14% of 7 decks +13% synergy
Contagion Engine
14% of 7 decks +13% synergy
Mask of Griselbrand
14% of 7 decks +13% synergy
Darksteel Plate
14% of 7 decks +13% synergy
Strionic Resonator
14% of 7 decks +11% synergy
Panharmonicon
14% of 7 decks +10% synergy
Wayfarer's Bauble
14% of 7 decks +4% synergy
Enchantments
Inexorable Tide
100% of 1 decks +97% synergy
Insidious Roots
100% of 1 decks +92% synergy
Chthonian Nightmare
50% of 2 decks +47% synergy
Goblin Bombardment
43% of 7 decks +36% synergy
Thran Vigil
40% of 5 decks +39% synergy
All Will Be One
40% of 5 decks +37% synergy
City of Solitude
33% of 3 decks +33% synergy
Fecundity
33% of 3 decks +32% synergy
Mana Reflection
33% of 3 decks +31% synergy
Awakening Zone
33% of 3 decks +31% synergy
Asceticism
33% of 3 decks +30% synergy
Riveteers Ascendancy
33% of 3 decks +29% synergy
Moldervine Reclamation
33% of 3 decks +24% synergy
Rhythm of the Wild
33% of 3 decks +10% synergy
Feast on the Fallen
29% of 7 decks +28% synergy
Black Market Connections
29% of 7 decks +18% synergy
Shadows of the Past
14% of 7 decks +14% synergy
Fires of Invention
14% of 7 decks +14% synergy
Blowfly Infestation
14% of 7 decks +14% synergy
Stranglehold
14% of 7 decks +14% synergy
Price of Glory
14% of 7 decks +14% synergy
Goblin War Drums
14% of 7 decks +14% synergy
Agent of the Shadow Thieves
14% of 7 decks +14% synergy
Nest of Scarabs
14% of 7 decks +14% synergy
Tortured Existence
14% of 7 decks +13% synergy
Oversold Cemetery
14% of 7 decks +13% synergy
No Mercy
14% of 7 decks +12% synergy
Theater of Horrors
14% of 7 decks +12% synergy
Dictate of Erebos
14% of 7 decks +11% synergy
Grave Pact
14% of 7 decks +10% synergy
Black Market
14% of 7 decks +10% synergy
The Meathook Massacre
14% of 7 decks +9% synergy
Bastion of Remembrance
14% of 7 decks +8% synergy
Impact Tremors
14% of 7 decks +5% synergy
Phyrexian Arena
14% of 7 decks -1% synergy
Planeswalkers
Vraska, Betrayal's Sting
20% of 5 decks +17% synergy
Liliana of the Dark Realms
14% of 7 decks +13% synergy
Utility Lands
Karn's Bastion
43% of 7 decks +38% synergy
Phyrexian Tower
43% of 7 decks +34% synergy
Urborg, Tomb of Yawgmoth
43% of 7 decks +33% synergy
Bojuka Bog
43% of 7 decks +13% synergy
Reliquary Tower
29% of 7 decks -1% synergy
Zhalfirin Void
14% of 7 decks +13% synergy
Dwarven Mine
14% of 7 decks +13% synergy
Tyrite Sanctum
14% of 7 decks +12% synergy
Ghost Quarter
14% of 7 decks +12% synergy
Castle Embereth
14% of 7 decks +11% synergy
Spinerock Knoll
14% of 7 decks +10% synergy
Sokenzan, Crucible of Defiance
14% of 7 decks +10% synergy
Buried Ruin
14% of 7 decks +9% synergy
Castle Locthwain
14% of 7 decks +9% synergy
Yavimaya, Cradle of Growth
14% of 7 decks +5% synergy
Temple of the False God
14% of 7 decks +5% synergy
Ancient Tomb
14% of 7 decks +4% synergy
Takenuma, Abandoned Mire
14% of 7 decks +4% synergy
Cabal Coffers
14% of 7 decks +3% synergy
Rogue's Passage
14% of 7 decks -5% synergy
Mana Artifacts
Arcane Signet
86% of 7 decks +14% synergy
Sol Ring
86% of 7 decks +1% synergy
Talisman of Indulgence
29% of 7 decks +2% synergy
Rakdos Signet
29% of 7 decks -1% synergy
Vessel of Endless Rest
14% of 7 decks +14% synergy
Cultivator's Caravan
14% of 7 decks +14% synergy
Liquimetal Torque
14% of 7 decks +11% synergy
Mox Opal
14% of 7 decks +10% synergy
Mana Crypt
14% of 7 decks +6% synergy
Chromatic Lantern
14% of 7 decks +5% synergy
Commander's Sphere
14% of 7 decks -1% synergy
Mind Stone
14% of 7 decks -3% synergy
Fellwar Stone
14% of 7 decks -7% synergy
Lands
Fetid Pools
100% of 1 decks +94% synergy
Commercial District
100% of 1 decks +88% synergy
Raucous Theater
100% of 2 decks +87% synergy
Underground Mortuary
100% of 1 decks +84% synergy
Twisted Landscape
100% of 1 decks +80% synergy
Drowned Catacomb
100% of 1 decks +74% synergy
Xander's Lounge
100% of 1 decks +73% synergy
Sulfur Falls
100% of 1 decks +69% synergy
Crumbling Necropolis
100% of 1 decks +69% synergy
Sunken Hollow
100% of 1 decks +65% synergy
Steam Vents
100% of 1 decks +61% synergy
Watery Grave
100% of 1 decks +59% synergy
Command Tower
86% of 7 decks +12% synergy
Blood Crypt
71% of 7 decks +33% synergy
Ziatora's Proving Ground
67% of 3 decks +35% synergy
Stomping Ground
67% of 3 decks +26% synergy
Overgrown Tomb
67% of 3 decks +24% synergy
Dragonskull Summit
57% of 7 decks +26% synergy
Bloodstained Mire
43% of 7 decks +32% synergy
Foreboding Ruins
43% of 7 decks +27% synergy
Luxury Suite
43% of 7 decks +16% synergy
Smoldering Marsh
43% of 7 decks +10% synergy
Karplusan Forest
33% of 3 decks +16% synergy
Savage Lands
33% of 3 decks +10% synergy
Rootbound Crag
33% of 3 decks +10% synergy
Spire Garden
33% of 3 decks +9% synergy
Llanowar Wastes
33% of 3 decks +8% synergy
Undergrowth Stadium
33% of 3 decks +7% synergy
Woodland Cemetery
33% of 3 decks +5% synergy
Canyon Slough
29% of 7 decks +23% synergy
Mana Confluence
29% of 7 decks +21% synergy
Blightstep Pathway
29% of 7 decks +19% synergy
Wooded Foothills
29% of 7 decks +18% synergy
Verdant Catacombs
29% of 7 decks +17% synergy
Temple of Malice
29% of 7 decks +14% synergy
Sulfurous Springs
29% of 7 decks +8% synergy
Exotic Orchard
29% of 7 decks -7% synergy
Demolition Field
20% of 5 decks +17% synergy
Crystal Grotto
17% of 6 decks +16% synergy
Geothermal Bog
17% of 6 decks +13% synergy
Rocky Tar Pit
14% of 7 decks +14% synergy
Survivors' Encampment
14% of 7 decks +14% synergy
Cinder Barrens
14% of 7 decks +13% synergy
Maestros Theater
14% of 7 decks +13% synergy
Sulfurous Mire
14% of 7 decks +12% synergy
Akoum Refuge
14% of 7 decks +12% synergy
Ash Barrens
14% of 7 decks +10% synergy
Reflecting Pool
14% of 7 decks +9% synergy
Prismatic Vista
14% of 7 decks +9% synergy
Blackcleave Cliffs
14% of 7 decks +9% synergy