Mikaeus, the Unhallowed + Defiant Greatmaw + Phyrexian Altar

Mikaeus, the Unhallowed
Defiant Greatmaw
Phyrexian Altar

Requires
Mikaeus, the Unhallowed must be on the battlefield. Defiant Greatmaw must be on the battlefield. Phyrexian Altar must be on the battlefield. Defiant Greatmaw does not have a +1/+1 counter on it.
Steps
  1. Activate Phyrexian Altar by sacrificing Defiant Greatmaw, adding one mana of any color.
  2. When Defiant Greatmaw dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
  3. When Defiant Greatmaw enters the battlefield, its first ability triggers, putting two -1/-1 counters on it.
  4. Defiant Greatmaw's second ability triggers, removing a -1/-1 counter from another creature you control.
  5. Repeat.
Results
Infinite colored mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Hapatra, Vizier of Poisons
0.15% of 4820 decks 7 decks
Rendmaw, Creaking Nest
0.03% of 3422 decks 1 decks
Hogaak, Arisen Necropolis
0.05% of 1871 decks 1 decks
New Cards
Valgavoth's Lair
100% of 1 decks +84% synergy
Enduring Vitality
100% of 1 decks +71% synergy
Twitching Doll
50% of 2 decks +39% synergy
High Synergy Cards
Yawgmoth, Thran Physician
100% of 8 decks +92% synergy
Channeler Initiate
78% of 9 decks +76% synergy
Wickerbough Elder
78% of 9 decks +76% synergy
Necroskitter
78% of 9 decks +76% synergy
Blowfly Infestation
78% of 9 decks +76% synergy
Nest of Scarabs
78% of 9 decks +76% synergy
Black Sun's Zenith
78% of 9 decks +75% synergy
Obelisk Spider
78% of 9 decks +73% synergy
Devoted Druid
78% of 9 decks +73% synergy
Massacre Girl, Known Killer
71% of 7 decks +69% synergy
Top Cards
Skullclamp
89% of 9 decks +56% synergy
Carnifex Demon
67% of 9 decks +65% synergy
Generous Patron
67% of 9 decks +65% synergy
Triumph of the Hordes
67% of 9 decks +61% synergy
Diabolic Intent
67% of 9 decks +55% synergy
Heroic Intervention
67% of 9 decks +38% synergy
Spitting Dilophosaurus
57% of 7 decks +56% synergy
Quillspike
56% of 9 decks +55% synergy
Ammit Eternal
56% of 9 decks +54% synergy
Ashnod's Altar
56% of 9 decks +35% synergy
Creatures
Aveline de Grandpré
50% of 2 decks +47% synergy
Maha, Its Feathers Night
50% of 2 decks +47% synergy
Fynn, the Fangbearer
50% of 8 decks +43% synergy
Ohran Frostfang
50% of 8 decks +43% synergy
Rottenmouth Viper
50% of 2 decks +43% synergy
Bloodroot Apothecary
50% of 2 decks +43% synergy
Hazel's Brewmaster
50% of 2 decks +24% synergy
Corrosive Mentor
44% of 9 decks +44% synergy
Dusk Urchins
44% of 9 decks +44% synergy
Craterhoof Behemoth
44% of 9 decks +35% synergy
Eternal Witness
44% of 9 decks +15% synergy
Hooded Blightfang
38% of 8 decks +34% synergy
Grim Poppet
33% of 9 decks +33% synergy
Soulstinger
33% of 9 decks +33% synergy
Young Wolf
33% of 9 decks +33% synergy
Skithiryx, the Blight Dragon
33% of 9 decks +32% synergy
Soul Snuffers
33% of 9 decks +32% synergy
Trickster's Elk
33% of 3 decks +31% synergy
Evolution Sage
33% of 9 decks +26% synergy
Essence Warden
33% of 9 decks +26% synergy
Blood Artist
33% of 9 decks +13% synergy
Zulaport Cutthroat
33% of 9 decks +10% synergy
Mirkwood Bats
29% of 7 decks +4% synergy
Desperate Bloodseeker
25% of 4 decks +25% synergy
Bloated Contaminator
25% of 8 decks +23% synergy
The Gitrog, Ravenous Ride
25% of 4 decks +22% synergy
Vorinclex, Monstrous Raider
25% of 8 decks +22% synergy
Chatterfang, Squirrel General
25% of 8 decks +15% synergy
Honest Rutstein
25% of 4 decks +10% synergy
Pith Driller
22% of 9 decks +22% synergy
Cinderhaze Wretch
22% of 9 decks +22% synergy
Baleful Ammit
22% of 9 decks +22% synergy
Hand of the Praetors
22% of 9 decks +22% synergy
Dosan the Falling Leaf
22% of 9 decks +22% synergy
Phyrexian Hydra
22% of 9 decks +22% synergy
Blightsteel Colossus
22% of 9 decks +22% synergy
Fume Spitter
22% of 9 decks +22% synergy
Decimator Beetle
22% of 9 decks +21% synergy
Puppeteer Clique
22% of 9 decks +21% synergy
Skinrender
22% of 9 decks +21% synergy
Banewhip Punisher
22% of 9 decks +21% synergy
Meren of Clan Nel Toth
22% of 9 decks +18% synergy
Ivy Lane Denizen
22% of 9 decks +17% synergy
Pitiless Plunderer
22% of 9 decks +9% synergy
The Mycotyrant
14% of 7 decks +11% synergy
Bramble Familiar
14% of 7 decks +11% synergy
Roaming Throne
14% of 7 decks +6% synergy
Sorcerer's Broom
12% of 8 decks +12% synergy
Hexavus
12% of 8 decks +12% synergy
Putrid Goblin
12% of 8 decks +12% synergy
Instants
Assassin's Trophy
56% of 9 decks +12% synergy
Grim Affliction
44% of 9 decks +43% synergy
Vampiric Tutor
44% of 9 decks +32% synergy
Beast Within
44% of 9 decks +3% synergy
Sudden Spoiling
33% of 9 decks +32% synergy
Krosan Grip
33% of 9 decks +24% synergy
Worldly Tutor
33% of 9 decks +22% synergy
Abrupt Decay
33% of 9 decks +17% synergy
Smuggler's Surprise
25% of 4 decks +22% synergy
Saw in Half
25% of 8 decks +19% synergy
Deadly Rollick
25% of 8 decks +16% synergy
Stinging Shot
22% of 9 decks +22% synergy
Splendid Agony
22% of 9 decks +21% synergy
Windgrace's Judgment
22% of 9 decks +18% synergy
Chord of Calling
22% of 9 decks +17% synergy
Not Dead After All
14% of 7 decks +10% synergy
Barrier Breach
12% of 8 decks +12% synergy
Stinging Study
12% of 8 decks +11% synergy
Undying Malice
12% of 8 decks +9% synergy
Feign Death
12% of 8 decks +8% synergy
Tend the Pests
12% of 8 decks +7% synergy
Infernal Grasp
12% of 8 decks +4% synergy
Tamiyo's Safekeeping
12% of 8 decks +3% synergy
Malakir Rebirth
12% of 8 decks +2% synergy
Return of the Wildspeaker
12% of 8 decks -1% synergy
Tear Asunder
12% of 8 decks -3% synergy
Village Rites
12% of 8 decks -5% synergy
Pause for Reflection
11% of 9 decks +11% synergy
Torment of Venom
11% of 9 decks +11% synergy
Hapatra's Mark
11% of 9 decks +11% synergy
Virulent Wound
11% of 9 decks +11% synergy
Darkness
11% of 9 decks +11% synergy
Snuff Out
11% of 9 decks +10% synergy
Corpse Churn
11% of 9 decks +10% synergy
Sprout Swarm
11% of 9 decks +9% synergy
Momentous Fall
11% of 9 decks +8% synergy
Tainted Strike
11% of 9 decks +8% synergy
Grapple with the Past
11% of 9 decks +7% synergy
Deathsprout
11% of 9 decks +2% synergy
Grisly Salvage
11% of 9 decks +1% synergy
Putrefy
11% of 9 decks -25% synergy
Sorceries
Demonic Tutor
56% of 9 decks +38% synergy
Incremental Blight
33% of 9 decks +32% synergy
Natural Order
33% of 9 decks +30% synergy
Damnation
33% of 9 decks +24% synergy
Three Visits
33% of 9 decks +14% synergy
Nature's Lore
33% of 9 decks +7% synergy
Kodama's Reach
33% of 9 decks +6% synergy
Cultivate
33% of 9 decks -10% synergy
Bala Ged Recovery
25% of 8 decks +12% synergy
Culling Ritual
25% of 8 decks +5% synergy
Liliana's Influence
22% of 9 decks +22% synergy
Beacon of Unrest
22% of 9 decks +22% synergy
Driven // Despair
22% of 9 decks +21% synergy
Unearth
22% of 9 decks +17% synergy
Reanimate
22% of 9 decks +6% synergy
Victimize
22% of 9 decks +4% synergy
Breach the Multiverse
14% of 7 decks +10% synergy
Ghoulcaller's Harvest
12% of 8 decks +12% synergy
Thirsting Roots
12% of 8 decks +10% synergy
Agadeem's Awakening
12% of 8 decks +8% synergy
Pest Infestation
12% of 8 decks +4% synergy
Living End
11% of 9 decks +11% synergy
Saproling Migration
11% of 9 decks +9% synergy
Chain of Smog
11% of 9 decks +8% synergy
Maelstrom Pulse
11% of 9 decks +7% synergy
Regrowth
11% of 9 decks +6% synergy
Harvest Season
11% of 9 decks +6% synergy
Splendid Reclamation
11% of 9 decks +6% synergy
Living Death
11% of 9 decks +3% synergy
Dread Return
11% of 9 decks +1% synergy
Utility Artifacts
The Ozolith
38% of 8 decks +33% synergy
Contagion Clasp
33% of 9 decks +30% synergy
Swiftfoot Boots
33% of 9 decks +8% synergy
Luxior, Giada's Gift
25% of 8 decks +24% synergy
Contagion Engine
22% of 9 decks +20% synergy
Throne of the God-Pharaoh
22% of 9 decks +19% synergy
Viridian Longbow
22% of 9 decks +17% synergy
Altar of Dementia
22% of 9 decks +13% synergy
Golden Argosy
12% of 8 decks +12% synergy
Relic Vial
12% of 8 decks +12% synergy
Sword of Truth and Justice
12% of 8 decks +11% synergy
Conduit of Worlds
12% of 8 decks +3% synergy
Blade of the Bloodchief
11% of 9 decks +11% synergy
Power Conduit
11% of 9 decks +11% synergy
Serrated Arrows
11% of 9 decks +11% synergy
Cauldron of Souls
11% of 9 decks +10% synergy
Altar of the Brood
11% of 9 decks +10% synergy
Krark-Clan Ironworks
11% of 9 decks +10% synergy
Elixir of Immortality
11% of 9 decks +9% synergy
Mesmeric Orb
11% of 9 decks +8% synergy
Crucible of Worlds
11% of 9 decks +7% synergy
Coat of Arms
11% of 9 decks +6% synergy
Lightning Greaves
11% of 9 decks -12% synergy
Enchantments
Insidious Roots
60% of 5 decks +42% synergy
Innkeeper's Talent
50% of 2 decks +43% synergy
Glistening Oil
44% of 9 decks +44% synergy
Cryptolith Rite
44% of 9 decks +39% synergy
Parallel Lives
44% of 9 decks +31% synergy
Crumbling Ashes
33% of 9 decks +32% synergy
Flourishing Defenses
33% of 9 decks +32% synergy
Doubling Season
33% of 9 decks +20% synergy
Vraska Joins Up
25% of 4 decks +17% synergy
Bastion of Remembrance
25% of 8 decks +11% synergy
Spidersilk Armor
22% of 9 decks +22% synergy
Song of the Dryads
22% of 9 decks +21% synergy
Journey to Eternity
22% of 9 decks +15% synergy
Sylvan Library
22% of 9 decks +11% synergy
Sadistic Obsession
12% of 8 decks +12% synergy
Thran Vigil
12% of 8 decks +12% synergy
Bower Passage
11% of 9 decks +11% synergy
Raking Canopy
11% of 9 decks +11% synergy
Feed the Pack
11% of 9 decks +11% synergy
Leyline of Vitality
11% of 9 decks +11% synergy
Dauthi Embrace
11% of 9 decks +11% synergy
Perilous Forays
11% of 9 decks +11% synergy
Compost
11% of 9 decks +10% synergy
Cover of Darkness
11% of 9 decks +10% synergy
Attrition
11% of 9 decks +10% synergy
Tortured Existence
11% of 9 decks +9% synergy
Lignify
11% of 9 decks +9% synergy
Necrogenesis
11% of 9 decks +9% synergy
Oversold Cemetery
11% of 9 decks +8% synergy
Necropotence
11% of 9 decks +8% synergy
Phyrexian Reclamation
11% of 9 decks +7% synergy
Bitterblossom
11% of 9 decks +7% synergy
Primal Vigor
11% of 9 decks +6% synergy
Vampiric Rites
11% of 9 decks +6% synergy
Exploration
11% of 9 decks +6% synergy
Growing Rites of Itlimoc
11% of 9 decks +2% synergy
Beastmaster Ascension
11% of 9 decks -0% synergy
Planeswalkers
Professor Onyx
12% of 8 decks +10% synergy
Vraska, Betrayal's Sting
12% of 8 decks +9% synergy
Liliana, Death Wielder
11% of 9 decks +11% synergy
Vraska, Swarm's Eminence
11% of 9 decks +9% synergy
Utility Lands
Phyrexian Tower
67% of 9 decks +53% synergy
Urborg, Tomb of Yawgmoth
67% of 9 decks +42% synergy
Boseiju, Who Endures
62% of 8 decks +43% synergy
Ifnir Deadlands
56% of 9 decks +55% synergy
Bojuka Bog
56% of 9 decks +16% synergy
Yavimaya, Cradle of Growth
50% of 8 decks +21% synergy
Grasping Dunes
44% of 9 decks +44% synergy
Cabal Coffers
44% of 9 decks +34% synergy
Inkmoth Nexus
33% of 9 decks +32% synergy
Scavenger Grounds
33% of 9 decks +32% synergy
Volrath's Stronghold
33% of 9 decks +32% synergy
Westvale Abbey
33% of 9 decks +30% synergy
Gaea's Cradle
33% of 9 decks +28% synergy
Spymaster's Vault
33% of 3 decks +28% synergy
Shizo, Death's Storehouse
33% of 9 decks +28% synergy
Shifting Woodland
33% of 3 decks +20% synergy
Rogue's Passage
33% of 9 decks +11% synergy
Access Tunnel
25% of 8 decks +24% synergy
Nesting Grounds
25% of 8 decks +23% synergy
Takenuma, Abandoned Mire
25% of 8 decks +12% synergy
Winding Canyons
22% of 9 decks +22% synergy
Hashep Oasis
22% of 9 decks +22% synergy
Arcane Lighthouse
22% of 9 decks +21% synergy
Desert of the Glorified
22% of 9 decks +21% synergy
Desert of the Indomitable
22% of 9 decks +21% synergy
Emergence Zone
22% of 9 decks +20% synergy
Karn's Bastion
22% of 9 decks +16% synergy
Ancient Tomb
22% of 9 decks +15% synergy
Grim Backwoods
22% of 9 decks +10% synergy
Barad-dûr
14% of 7 decks +12% synergy
The Shire
14% of 7 decks +4% synergy
Urza's Saga
12% of 8 decks +7% synergy
Castle Locthwain
12% of 8 decks +7% synergy
Field of Ruin
11% of 9 decks +9% synergy
Ghost Quarter
11% of 9 decks +8% synergy
Darksteel Citadel
11% of 9 decks +7% synergy
Command Beacon
11% of 9 decks +7% synergy
Hissing Quagmire
11% of 9 decks +7% synergy
Tree of Tales
11% of 9 decks +5% synergy
Vault of Whispers
11% of 9 decks +5% synergy
Temple of the False God
11% of 9 decks +4% synergy
Barren Moor
11% of 9 decks +4% synergy
Dryad Arbor
11% of 9 decks +3% synergy
Oran-Rief, the Vastwood
11% of 9 decks +1% synergy
High Market
11% of 9 decks +0% synergy
Reliquary Tower
11% of 9 decks -11% synergy
Mana Artifacts
Sol Ring
78% of 9 decks -3% synergy
Arcane Signet
75% of 8 decks +13% synergy
Talisman of Resilience
25% of 8 decks +1% synergy
Chrome Mox
22% of 9 decks +19% synergy
Strixhaven Stadium
12% of 8 decks +12% synergy
Heraldic Banner
12% of 8 decks +12% synergy
Crowded Crypt
12% of 8 decks +12% synergy
Prismatic Lens
11% of 9 decks +11% synergy
Everflowing Chalice
11% of 9 decks +10% synergy
Fellwar Stone
11% of 9 decks +6% synergy
Golgari Signet
11% of 9 decks -18% synergy
Lands
Overgrown Tomb
89% of 9 decks +42% synergy
Command Tower
89% of 9 decks +3% synergy
Verdant Catacombs
78% of 9 decks +48% synergy
Woodland Cemetery
67% of 9 decks +10% synergy
Deathcap Glade
62% of 8 decks +32% synergy
Undergrowth Stadium
62% of 8 decks +21% synergy
Prismatic Vista
50% of 8 decks +43% synergy
Marsh Flats
44% of 9 decks +37% synergy
Twilight Mire
44% of 9 decks +17% synergy
Fabled Passage
38% of 8 decks +24% synergy
Nurturing Peatland
38% of 8 decks +24% synergy
Darkbore Pathway
38% of 8 decks +15% synergy
Lazotep Quarry
33% of 3 decks +32% synergy
Polluted Delta
33% of 9 decks +27% synergy
Bloodstained Mire
33% of 9 decks +27% synergy
Windswept Heath
33% of 9 decks +26% synergy
Bayou
33% of 9 decks +22% synergy
Underground Mortuary
33% of 6 decks +7% synergy
Tainted Wood
33% of 9 decks -7% synergy
Necroblossom Snarl
25% of 8 decks -7% synergy
Mana Confluence
22% of 9 decks +19% synergy
Wooded Foothills
22% of 9 decks +16% synergy
Misty Rainforest
22% of 9 decks +15% synergy
Blooming Marsh
22% of 9 decks +10% synergy
Evolving Wilds
22% of 9 decks -5% synergy
Temple of Malady
22% of 9 decks -13% synergy
Golgari Rot Farm
22% of 9 decks -20% synergy
Llanowar Wastes
22% of 9 decks -31% synergy
Plaza of Heroes
12% of 8 decks +11% synergy
Woodland Chasm
12% of 8 decks +1% synergy
Haunted Mire
12% of 8 decks -6% synergy
Mirrodin's Core
11% of 9 decks +11% synergy
Forbidden Orchard
11% of 9 decks +9% synergy
Ash Barrens
11% of 9 decks +6% synergy
Blighted Woodland
11% of 9 decks +4% synergy
Terramorphic Expanse
11% of 9 decks -9% synergy
Jungle Hollow
11% of 9 decks -13% synergy
Exotic Orchard
11% of 9 decks -14% synergy