Grenzo, Dungeon Warden + Murderous Rider + Ashnod's Altar

Grenzo, Dungeon Warden
Murderous Rider
Ashnod's Altar

Requires
Grenzo, Dungeon Warden must be on the battlefield. Murderous Rider // Swift End must be on the battlefield. Ashnod's Altar must be on the battlefield.
Steps
  1. Activate Ashnod's Altar by sacrificing Murderous Rider, adding .
  2. Murderous Rider dies, putting itself from your graveyard onto the bottom of your library.
  3. Activate Grenzo by paying 2, putting Murderous Rider into your graveyard from the bottom of your library, then putting Murderous Rider from your graveyard onto the battlefield.
  4. Repeat.
Results
Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Grenzo, Dungeon Warden
10.99% of 3267 decks 359 decks
Korvold, Fae-Cursed King
0.01% of 15487 decks 2 decks
Alesha, Who Smiles at Death
0.02% of 5882 decks 1 decks
Chainer, Nightmare Adept
0.03% of 3170 decks 1 decks
Orca, Siege Demon
0.56% of 180 decks 1 decks
Kess, Dissident Mage
0.01% of 7209 decks 1 decks
Prossh, Skyraider of Kher
0.02% of 5151 decks 1 decks
New Cards
Blazemire Verge
57% of 21 decks +35% synergy
Withering Torment
38% of 8 decks +16% synergy
Untimely Malfunction
25% of 12 decks +8% synergy
High Synergy Cards
Barkform Harvester
88% of 89 decks +87% synergy
Tomb Trawler
80% of 143 decks +80% synergy
Hoverstone Pilgrim
80% of 187 decks +80% synergy
Heartstone
77% of 366 decks +76% synergy
The Cauldron of Eternity
74% of 366 decks +74% synergy
Viscera Seer
82% of 366 decks +73% synergy
Workhorse
71% of 366 decks +71% synergy
Priest of Urabrask
71% of 366 decks +71% synergy
Murderous Redcap
71% of 366 decks +70% synergy
Priest of Gix
68% of 366 decks +68% synergy
Top Cards
Kiki-Jiki, Mirror Breaker
66% of 366 decks +62% synergy
Epitaph Golem
65% of 366 decks +65% synergy
Siege-Gang Commander
63% of 366 decks +61% synergy
Tel-Jilad Stylus
62% of 366 decks +62% synergy
Sling-Gang Lieutenant
61% of 366 decks +61% synergy
Solemn Simulacrum
61% of 366 decks +47% synergy
Zulaport Cutthroat
60% of 366 decks +50% synergy
Pitiless Plunderer
59% of 366 decks +51% synergy
Gray Merchant of Asphodel
56% of 366 decks +47% synergy
Ravenous Chupacabra
55% of 366 decks +51% synergy
Creatures
Sakura-Tribe Elder
100% of 3 decks +81% synergy
Eternal Witness
100% of 3 decks +79% synergy
Junktroller
52% of 366 decks +52% synergy
Skirk Prospector
52% of 366 decks +49% synergy
Zealous Conscripts
51% of 366 decks +49% synergy
Goblin Engineer
51% of 366 decks +47% synergy
Duplicant
49% of 366 decks +48% synergy
Warren Soultrader
48% of 113 decks +40% synergy
Palladium Myr
47% of 366 decks +45% synergy
Woe Strider
45% of 365 decks +43% synergy
Pawn of Ulamog
45% of 366 decks +43% synergy
Leaden Myr
45% of 366 decks +42% synergy
Meteor Golem
44% of 366 decks +42% synergy
Iron Myr
44% of 366 decks +41% synergy
Marionette Apprentice
44% of 113 decks +37% synergy
Blood Artist
43% of 366 decks +31% synergy
Goblin Matron
42% of 366 decks +40% synergy
Imperial Recruiter
42% of 366 decks +36% synergy
Agate Instigator
38% of 34 decks +29% synergy
Goblin Welder
37% of 366 decks +35% synergy
Metallic Mimic
37% of 366 decks +35% synergy
Reito Sentinel
37% of 347 decks +37% synergy
Bronze Walrus
36% of 329 decks +36% synergy
Judith, the Scourge Diva
36% of 366 decks +34% synergy
Boggart Trawler
35% of 106 decks +29% synergy
Pinnacle Monk
34% of 100 decks +27% synergy
Anger
34% of 366 decks +28% synergy
Krenko, Mob Boss
32% of 366 decks +30% synergy
Clone Shell
32% of 366 decks +32% synergy
Dockside Extortionist
32% of 366 decks +19% synergy
Ornithopter of Paradise
31% of 355 decks +26% synergy
Treasonous Ogre
30% of 366 decks +29% synergy
Mad Auntie
29% of 366 decks +28% synergy
Emrakul's Hatcher
28% of 366 decks +28% synergy
Canal Dredger
27% of 366 decks +27% synergy
Plaguecrafter
27% of 366 decks +21% synergy
Burnished Hart
26% of 366 decks +21% synergy
Crypt Ghast
26% of 366 decks +21% synergy
Marionette Master
25% of 366 decks +21% synergy
Chainer, Nightmare Adept
24% of 366 decks +19% synergy
Fell Horseman
24% of 204 decks +23% synergy
Threefold Thunderhulk
22% of 188 decks +21% synergy
Beetleback Chief
22% of 366 decks +21% synergy
Accursed Marauder
22% of 100 decks +13% synergy
Mayhem Devil
22% of 366 decks +12% synergy
Goblin Trashmaster
21% of 366 decks +20% synergy
Warteye Witch
21% of 366 decks +21% synergy
Deathbringer Thoctar
20% of 366 decks +19% synergy
Goblin Warchief
20% of 366 decks +18% synergy
Molten Gatekeeper
19% of 100 decks +14% synergy
Instants
Valakut Awakening
54% of 361 decks +48% synergy
Fire Prophecy
40% of 363 decks +40% synergy
Volcanic Spite
35% of 265 decks +35% synergy
Chaos Warp
35% of 366 decks +3% synergy
Dark Ritual
30% of 366 decks +8% synergy
Terminate
22% of 366 decks +1% synergy
Vampiric Tutor
21% of 366 decks +3% synergy
Rakdos Charm
19% of 366 decks +5% synergy
Deflecting Swat
18% of 363 decks +2% synergy
Bedevil
16% of 366 decks +2% synergy
Fell the Profane
13% of 113 decks +1% synergy
Pyroblast
13% of 366 decks +7% synergy
Red Elemental Blast
13% of 366 decks +7% synergy
Abrade
13% of 366 decks +1% synergy
Deadly Rollick
11% of 363 decks +1% synergy
Tibalt's Trickery
9% of 356 decks +4% synergy
Malakir Rebirth
9% of 361 decks +1% synergy
Culling the Weak
9% of 366 decks +5% synergy
Cabal Ritual
8% of 366 decks +3% synergy
Thrill of Possibility
7% of 366 decks -3% synergy
Fire Covenant
7% of 366 decks +3% synergy
Village Rites
6% of 363 decks -4% synergy
Entomb
6% of 366 decks -1% synergy
Demon's Due
5% of 335 decks +5% synergy
Sorceries
Into the Fire
37% of 271 decks +36% synergy
Feed the Swarm
29% of 361 decks +11% synergy
Blasphemous Act
26% of 366 decks -8% synergy
Doomsday
25% of 366 decks +25% synergy
Read the Bones
24% of 366 decks +16% synergy
Faithless Looting
24% of 366 decks +7% synergy
Demonic Tutor
22% of 366 decks -0% synergy
Gamble
19% of 366 decks +9% synergy
Jeska's Will
19% of 358 decks +1% synergy
Vandalblast
16% of 366 decks +0% synergy
Diabolic Intent
15% of 366 decks +6% synergy
Dread Return
13% of 366 decks +8% synergy
Toxic Deluge
13% of 366 decks -4% synergy
Agadeem's Awakening
10% of 361 decks +6% synergy
Victimize
10% of 366 decks -2% synergy
Grim Tutor
8% of 366 decks +4% synergy
Imperial Seal
8% of 366 decks +2% synergy
Diabolic Tutor
7% of 366 decks +1% synergy
Reanimate
7% of 366 decks -8% synergy
Sinister Waltz
7% of 348 decks +6% synergy
Living Death
7% of 366 decks +1% synergy
Blood Price
7% of 361 decks +7% synergy
Shatterskull Smashing
6% of 361 decks +2% synergy
Sundering Eruption
6% of 106 decks +1% synergy
Twinflame
5% of 366 decks +2% synergy
Utility Artifacts
Teferi's Puzzle Box
33% of 366 decks +31% synergy
Reito Lantern
26% of 366 decks +26% synergy
Lightning Greaves
25% of 366 decks -0% synergy
Soldevi Digger
24% of 366 decks +24% synergy
Phyrexian Altar
21% of 366 decks +17% synergy
Desecrated Tomb
21% of 366 decks +20% synergy
Crystal Ball
20% of 366 decks +20% synergy
Skullclamp
19% of 366 decks +6% synergy
Cloak and Dagger
17% of 366 decks +17% synergy
Nim Deathmantle
14% of 366 decks +13% synergy
Swiftfoot Boots
13% of 366 decks -15% synergy
Darksteel Pendant
11% of 366 decks +11% synergy
Conjurer's Bauble
10% of 366 decks +10% synergy
Thornbite Staff
10% of 366 decks +9% synergy
Goblin Charbelcher
10% of 366 decks +10% synergy
Illusionist's Bracers
10% of 366 decks +8% synergy
Crucible of Worlds
8% of 366 decks +6% synergy
Wishclaw Talisman
8% of 366 decks +3% synergy
Enchantments
Goblin Bombardment
28% of 366 decks +21% synergy
Braid of Fire
22% of 366 decks +21% synergy
Impact Tremors
21% of 366 decks +12% synergy
Shadows of the Past
12% of 366 decks +12% synergy
Mindmoil
11% of 366 decks +11% synergy
Mana Echoes
11% of 366 decks +10% synergy
Fires of Invention
11% of 366 decks +10% synergy
Thran Vigil
9% of 296 decks +9% synergy
Underworld Breach
9% of 365 decks +3% synergy
Animate Dead
7% of 366 decks -3% synergy
Phyrexian Arena
5% of 366 decks -10% synergy
Utility Lands
Zhalfirin Void
41% of 366 decks +40% synergy
Buried Ruin
35% of 366 decks +30% synergy
Bojuka Bog
31% of 366 decks +1% synergy
Urborg, Tomb of Yawgmoth
28% of 366 decks +18% synergy
Ancient Tomb
22% of 366 decks +11% synergy
Phyrexian Tower
20% of 366 decks +11% synergy
Takenuma, Abandoned Mire
16% of 347 decks +5% synergy
Great Furnace
15% of 366 decks +9% synergy
Vault of Whispers
14% of 366 decks +9% synergy
Drownyard Temple
11% of 366 decks +10% synergy
Cabal Coffers
11% of 366 decks +0% synergy
Spinerock Knoll
11% of 366 decks +6% synergy
Temple of the False God
10% of 366 decks +0% synergy
High Market
9% of 366 decks +6% synergy
Nykthos, Shrine to Nyx
9% of 366 decks +4% synergy
Command Beacon
9% of 366 decks +4% synergy
Isolated Watchtower
9% of 366 decks +9% synergy
Inventors' Fair
8% of 366 decks +4% synergy
Dakmor Salvage
7% of 366 decks +5% synergy
Urza's Saga
7% of 355 decks -0% synergy
Castle Locthwain
7% of 366 decks +1% synergy
Sokenzan, Crucible of Defiance
5% of 347 decks +1% synergy
Forgotten Cave
5% of 366 decks +1% synergy
Mana Artifacts
Sol Ring
88% of 366 decks +3% synergy
Arcane Signet
57% of 366 decks -15% synergy
Rakdos Signet
46% of 366 decks +17% synergy
Thran Turbine
35% of 366 decks +35% synergy
Talisman of Indulgence
34% of 366 decks +8% synergy
Mana Crypt
13% of 366 decks +4% synergy
Fellwar Stone
13% of 366 decks -8% synergy
Vessel of Endless Rest
11% of 366 decks +11% synergy
Mind Stone
11% of 366 decks -6% synergy
Lotus Petal
11% of 366 decks +4% synergy
Chrome Mox
10% of 366 decks +4% synergy
Mana Vault
9% of 366 decks +3% synergy
Jeweled Lotus
8% of 358 decks +2% synergy
Mox Amber
6% of 366 decks +2% synergy
Commander's Sphere
6% of 366 decks -10% synergy
Lands
Command Tower
86% of 366 decks +12% synergy
Temple of Malice
61% of 366 decks +47% synergy
Smoldering Marsh
55% of 366 decks +22% synergy
Blood Crypt
54% of 366 decks +15% synergy
Dragonskull Summit
52% of 366 decks +21% synergy
Sulfurous Springs
42% of 366 decks +22% synergy
Luxury Suite
42% of 366 decks +16% synergy
Graven Cairns
34% of 366 decks +27% synergy
Rakdos Carnarium
33% of 366 decks +18% synergy
Bloodstained Mire
33% of 366 decks +22% synergy
Shadowblood Ridge
32% of 366 decks +20% synergy
Blightstep Pathway
31% of 356 decks +21% synergy
Crystal Grotto
31% of 321 decks +30% synergy
Haunted Ridge
27% of 350 decks +11% synergy
Foreboding Ruins
26% of 366 decks +10% synergy
Tainted Peak
25% of 366 decks +16% synergy
Path of Ancestry
24% of 366 decks +3% synergy
The Grey Havens
23% of 227 decks +21% synergy
Exotic Orchard
22% of 366 decks -13% synergy
Raucous Theater
21% of 152 decks +8% synergy
Badlands
18% of 366 decks +4% synergy
Blackcleave Cliffs
16% of 366 decks +11% synergy
Canyon Slough
15% of 366 decks +9% synergy
Arid Mesa
14% of 366 decks +3% synergy
Cavern of Souls
13% of 366 decks +6% synergy
Evolving Wilds
13% of 366 decks -8% synergy
Marsh Flats
13% of 366 decks +1% synergy
Opal Palace
12% of 366 decks +9% synergy
Mount Doom
11% of 271 decks +4% synergy
City of Brass
11% of 366 decks +2% synergy
Bloodfell Caves
10% of 366 decks +3% synergy
Mana Confluence
10% of 366 decks +2% synergy
Gemstone Caverns
9% of 366 decks +4% synergy
Myriad Landscape
9% of 366 decks -11% synergy
Terramorphic Expanse
9% of 366 decks -7% synergy
Prismatic Vista
8% of 366 decks +3% synergy
Fabled Passage
8% of 366 decks -1% synergy
Scalding Tarn
8% of 366 decks -3% synergy
Geothermal Bog
8% of 321 decks +4% synergy
Wooded Foothills
8% of 366 decks -3% synergy
Polluted Delta
8% of 366 decks -4% synergy
Sulfurous Mire
7% of 356 decks +5% synergy
Verdant Catacombs
6% of 366 decks -5% synergy
Rakdos Guildgate
5% of 366 decks +1% synergy
Drossforge Bridge
5% of 355 decks +1% synergy
Study Hall
5% of 356 decks +5% synergy