Gravecrawler + Ashnod's Altar + Gemstone Array

Gravecrawler
Ashnod's Altar
Gemstone Array

Requires
Gravecrawler must be on the battlefield. Ashnod's Altar must be on the battlefield. Gemstone Array must be on the battlefield. You control an additional Zombie.
Steps
  1. Activate Ashnod's Altar by sacrificing Gravecrawler, adding .
  2. Activate Gemstone Array's first ability by paying 2, putting a charge counter on it.
  3. Activate Gemstone Array's second ability by removing a charge counter from it, adding .
  4. Cast Gravecrawler from your graveyard by paying .
  5. Repeat.
Results
Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers. Infinite storm count.

Wilhelt, the Rotcleaver
0.03% of 18970 decks 5 decks
Acererak the Archlich
0.18% of 1084 decks 2 decks
Yawgmoth, Thran Physician
0.04% of 5567 decks 2 decks
Maga, Traitor to Mortals
0.50% of 200 decks 1 decks
Kels, Fight Fixer
0.15% of 680 decks 1 decks
Tormod, the Desecrator
0.89% of 112 decks 1 decks
Elas il-Kor, Sadistic Pilgrim
0.02% of 6454 decks 1 decks
The Scarab God
0.01% of 10352 decks 1 decks
Thrasios, Triton Hero // Vial Smasher the Fierce
0.03% of 3518 decks 1 decks
Varina, Lich Queen
0.01% of 7044 decks 1 decks
Ghoulcaller Gisa
0.04% of 2755 decks 1 decks
Karador, Ghost Chieftain
0.02% of 5443 decks 1 decks
Ashnod, Flesh Mechanist
0.06% of 1643 decks 1 decks
Xantcha, Sleeper Agent
0.03% of 3040 decks 1 decks
Mikaeus, the Unhallowed
0.07% of 1337 decks 1 decks
Sheoldred, Whispering One
0.11% of 878 decks 1 decks
Chainer, Nightmare Adept
0.03% of 3170 decks 1 decks
Iname, Death Aspect
0.18% of 549 decks 1 decks
High Synergy Cards
Rooftop Storm
80% of 10 decks +78% synergy
Diregraf Captain
70% of 10 decks +66% synergy
Counterspell
100% of 10 decks +57% synergy
Cleaver Skaab
56% of 9 decks +54% synergy
Hordewing Skaab
56% of 9 decks +54% synergy
Phyrexian Altar
58% of 26 decks +54% synergy
Havengul Lich
50% of 10 decks +48% synergy
Gisa and Geralf
50% of 10 decks +48% synergy
Carrion Feeder
50% of 26 decks +45% synergy
Empty the Laboratory
44% of 9 decks +44% synergy
Top Cards
Pitiless Plunderer
46% of 26 decks +39% synergy
Feral Ghoul
44% of 9 decks +43% synergy
Feed the Swarm
44% of 25 decks +26% synergy
Bontu's Monument
42% of 26 decks +40% synergy
Zulaport Cutthroat
42% of 26 decks +32% synergy
Victimize
42% of 26 decks +31% synergy
Blood Artist
42% of 26 decks +31% synergy
Dark Ritual
42% of 26 decks +20% synergy
Plague Belcher
38% of 26 decks +37% synergy
Phyrexian Arena
38% of 26 decks +24% synergy
Creatures
Geralf, the Fleshwright
60% of 5 decks +59% synergy
Diregraf Colossus
35% of 26 decks +33% synergy
Death Baron
35% of 26 decks +32% synergy
Mikaeus, the Unhallowed
35% of 26 decks +32% synergy
Reassembling Skeleton
35% of 26 decks +31% synergy
Crypt Ghast
35% of 26 decks +30% synergy
Gray Merchant of Asphodel
35% of 26 decks +26% synergy
Overcharged Amalgam
33% of 9 decks +32% synergy
Headless Rider
32% of 25 decks +31% synergy
Ayara, First of Locthwain
32% of 25 decks +28% synergy
Pawn of Ulamog
31% of 26 decks +29% synergy
Viscera Seer
31% of 26 decks +21% synergy
Eternal Skylord
30% of 10 decks +29% synergy
Gleaming Overseer
30% of 10 decks +28% synergy
Relentless Dead
27% of 26 decks +26% synergy
Nether Traitor
27% of 26 decks +26% synergy
Undead Warchief
27% of 26 decks +26% synergy
Lord of the Accursed
27% of 26 decks +25% synergy
Sidisi, Undead Vizier
27% of 26 decks +25% synergy
Midnight Reaper
27% of 26 decks +23% synergy
Cryptbreaker
23% of 26 decks +22% synergy
Cemetery Reaper
23% of 26 decks +21% synergy
Undead Augur
23% of 26 decks +21% synergy
Cult Conscript
21% of 24 decks +20% synergy
Putrid Goblin
19% of 26 decks +19% synergy
Vengeful Dead
19% of 26 decks +18% synergy
Noxious Ghoul
19% of 26 decks +18% synergy
Bloodsoaked Champion
19% of 26 decks +18% synergy
Fleshbag Marauder
19% of 26 decks +15% synergy
Grim Haruspex
19% of 26 decks +15% synergy
Tormod, the Desecrator
16% of 25 decks +15% synergy
Champion of the Perished
16% of 25 decks +15% synergy
K'rrik, Son of Yawgmoth
16% of 25 decks +14% synergy
Murderous Rider
16% of 25 decks +14% synergy
Syr Konrad, the Grim
16% of 25 decks +7% synergy
Drivnod, Carnage Dominus
16% of 19 decks +12% synergy
Bog Initiate
15% of 26 decks +15% synergy
Lord of the Undead
15% of 26 decks +14% synergy
Grave Titan
15% of 26 decks +13% synergy
Solemn Simulacrum
15% of 26 decks +1% synergy
Poxwalkers
13% of 23 decks +13% synergy
Braids, Arisen Nightmare
12% of 24 decks +5% synergy
Ravenous Rotbelly
12% of 25 decks +11% synergy
Tomb Tyrant
12% of 25 decks +11% synergy
Thopter Squadron
12% of 26 decks +11% synergy
Priest of Gix
12% of 26 decks +11% synergy
Vizier of the Scorpion
12% of 26 decks +11% synergy
Josu Vess, Lich Knight
12% of 26 decks +11% synergy
Magus of the Coffers
12% of 26 decks +11% synergy
Deathgreeter
12% of 26 decks +11% synergy
Instants
Enlightened Tutor
100% of 3 decks +82% synergy
An Offer You Can't Refuse
33% of 9 decks +13% synergy
Lazotep Plating
30% of 10 decks +28% synergy
Mana Drain
30% of 10 decks +15% synergy
Deadly Rollick
28% of 25 decks +17% synergy
Tragic Slip
27% of 26 decks +23% synergy
Vampiric Tutor
27% of 26 decks +9% synergy
Defile
23% of 26 decks +20% synergy
Cabal Ritual
23% of 26 decks +18% synergy
Go for the Throat
15% of 26 decks +8% synergy
Entomb
15% of 26 decks +8% synergy
Rise of the Dread Marn
12% of 25 decks +11% synergy
Malakir Rebirth
12% of 25 decks +4% synergy
Village Rites
12% of 25 decks +2% synergy
Culling the Weak
12% of 26 decks +8% synergy
Sorceries
Army of the Damned
31% of 26 decks +29% synergy
Damnation
31% of 26 decks +23% synergy
Diabolic Intent
31% of 26 decks +22% synergy
Reanimate
31% of 26 decks +15% synergy
Demonic Tutor
27% of 26 decks +5% synergy
Diabolic Tutor
23% of 26 decks +17% synergy
Sign in Blood
23% of 26 decks +13% synergy
Night's Whisper
19% of 26 decks +10% synergy
Mutilate
15% of 26 decks +13% synergy
Rise of the Dark Realms
15% of 26 decks +12% synergy
Dread Return
15% of 26 decks +10% synergy
Exsanguinate
15% of 26 decks +10% synergy
Buried Alive
15% of 26 decks +10% synergy
Read the Bones
15% of 26 decks +7% synergy
Toxic Deluge
15% of 26 decks -2% synergy
Cemetery Recruitment
12% of 26 decks +11% synergy
Zombie Apocalypse
12% of 26 decks +10% synergy
Yawgmoth's Will
12% of 26 decks +10% synergy
Bubbling Muck
12% of 26 decks +10% synergy
Grim Tutor
12% of 26 decks +7% synergy
Utility Artifacts
Jet Medallion
27% of 26 decks +24% synergy
Altar of Dementia
27% of 26 decks +24% synergy
The One Ring
24% of 17 decks +15% synergy
Bolas's Citadel
23% of 26 decks +14% synergy
Skullclamp
19% of 26 decks +7% synergy
Lightning Greaves
15% of 26 decks -10% synergy
Swiftfoot Boots
15% of 26 decks -12% synergy
Wishclaw Talisman
12% of 25 decks +7% synergy
Grimoire of the Dead
12% of 26 decks +11% synergy
Voltaic Key
12% of 26 decks +11% synergy
Umbral Mantle
12% of 26 decks +11% synergy
Krark-Clan Ironworks
12% of 26 decks +10% synergy
Rings of Brighthearth
12% of 26 decks +10% synergy
Whispersilk Cloak
12% of 26 decks +8% synergy
Wayfarer's Bauble
12% of 26 decks +1% synergy
Enchantments
Reflections of Littjara
33% of 9 decks +28% synergy
Bastion of Remembrance
32% of 25 decks +26% synergy
Dreadhorde Invasion
31% of 26 decks +28% synergy
Endless Ranks of the Dead
27% of 26 decks +25% synergy
Phyrexian Reclamation
27% of 26 decks +23% synergy
Grave Pact
23% of 26 decks +19% synergy
Black Market
23% of 26 decks +18% synergy
Open the Graves
19% of 26 decks +18% synergy
Dictate of Erebos
19% of 26 decks +15% synergy
Black Market Connections
17% of 24 decks +6% synergy
The Meathook Massacre
16% of 25 decks +11% synergy
Bitterblossom
15% of 26 decks +11% synergy
Necropotence
15% of 26 decks +10% synergy
Agent of the Iron Throne
12% of 24 decks +10% synergy
Blight Mound
12% of 25 decks +11% synergy
Liliana's Mastery
12% of 26 decks +11% synergy
Greed
12% of 26 decks +9% synergy
Vampiric Rites
12% of 26 decks +9% synergy
Animate Dead
12% of 26 decks +2% synergy
Planeswalkers
Liliana, Untouched by Death
15% of 26 decks +15% synergy
Liliana, Death's Majesty
15% of 26 decks +14% synergy
Liliana, Dreadhorde General
15% of 26 decks +12% synergy
Liliana, the Last Hope
12% of 26 decks +11% synergy
Liliana of the Dark Realms
12% of 26 decks +10% synergy
Utility Lands
Urborg, Tomb of Yawgmoth
46% of 26 decks +36% synergy
Bojuka Bog
38% of 26 decks +8% synergy
Witch's Cottage
36% of 25 decks +32% synergy
Cabal Stronghold
35% of 26 decks +31% synergy
Cabal Coffers
35% of 26 decks +24% synergy
Reliquary Tower
31% of 26 decks +1% synergy
Phyrexian Tower
27% of 26 decks +18% synergy
Mortuary Mire
23% of 26 decks +18% synergy
Unholy Grotto
19% of 26 decks +19% synergy
Volrath's Stronghold
15% of 26 decks +14% synergy
Crypt of Agadeem
15% of 26 decks +14% synergy
Nykthos, Shrine to Nyx
15% of 26 decks +10% synergy
Field of the Dead
12% of 25 decks +9% synergy
Castle Locthwain
12% of 25 decks +7% synergy
Takenuma, Abandoned Mire
12% of 25 decks +1% synergy
Deserted Temple
12% of 26 decks +11% synergy
Westvale Abbey
12% of 26 decks +9% synergy
Barren Moor
12% of 26 decks +8% synergy
Temple of the False God
12% of 26 decks +2% synergy
Ancient Tomb
12% of 26 decks +1% synergy
Mana Artifacts
Sol Ring
77% of 26 decks -8% synergy
Arcane Signet
56% of 25 decks -16% synergy
Talisman of Dominance
50% of 10 decks +19% synergy
Dimir Signet
40% of 10 decks +10% synergy
Mind Stone
27% of 26 decks +9% synergy
Basalt Monolith
19% of 26 decks +17% synergy
Everflowing Chalice
19% of 26 decks +15% synergy
Charcoal Diamond
19% of 26 decks +14% synergy
Thought Vessel
19% of 26 decks +2% synergy
Crowded Crypt
16% of 25 decks +14% synergy
Caged Sun
15% of 26 decks +13% synergy
Commander's Sphere
15% of 26 decks -0% synergy
Fellwar Stone
15% of 26 decks -6% synergy
Heraldic Banner
12% of 25 decks +10% synergy
Gauntlet of Power
12% of 26 decks +11% synergy
Extraplanar Lens
12% of 26 decks +11% synergy
Lands
Blood Crypt
100% of 3 decks +61% synergy
Command Tower
58% of 26 decks -16% synergy
Choked Estuary
50% of 10 decks +33% synergy
Sunken Hollow
50% of 10 decks +15% synergy
Tainted Isle
40% of 10 decks +29% synergy
Dimir Aqueduct
40% of 10 decks +23% synergy
Myriad Landscape
38% of 26 decks +19% synergy
Clearwater Pathway
33% of 9 decks +23% synergy
Darkwater Catacombs
30% of 10 decks +15% synergy
Drowned Catacomb
30% of 10 decks +5% synergy
Watery Grave
30% of 10 decks -11% synergy
Path of Ancestry
27% of 26 decks +6% synergy
Unclaimed Territory
15% of 26 decks +10% synergy
Evolving Wilds
15% of 26 decks -6% synergy
Fabled Passage
12% of 25 decks +3% synergy
Mana Confluence
12% of 26 decks +4% synergy
Bloodstained Mire
12% of 26 decks +1% synergy
Polluted Delta
12% of 26 decks +0% synergy
Terramorphic Expanse
12% of 26 decks -4% synergy