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
10.54% of 3264 decks 344 decks
New Cards
Barkform Harvester
92% of 40 decks +91% synergy
Agate Instigator
50% of 6 decks +41% synergy
High Synergy Cards
Sakura-Tribe Elder
100% of 4 decks +91% synergy
Tomb Trawler
84% of 99 decks +84% synergy
Hoverstone Pilgrim
83% of 143 decks +83% synergy
Viscera Seer
83% of 352 decks +78% synergy
Heartstone
76% of 352 decks +76% synergy
Top Cards
The Cauldron of Eternity
75% of 352 decks +74% synergy
Murderous Redcap
71% of 352 decks +71% synergy
Epitaph Golem
70% of 352 decks +70% synergy
Workhorse
69% of 352 decks +69% synergy
Priest of Urabrask
68% of 352 decks +68% synergy
Priest of Gix
66% of 352 decks +66% synergy
Kiki-Jiki, Mirror Breaker
66% of 352 decks +64% synergy
Tel-Jilad Stylus
63% of 352 decks +63% synergy
Sling-Gang Lieutenant
63% of 352 decks +62% synergy
Siege-Gang Commander
63% of 352 decks +62% synergy
Creatures
Sprouting Thrinax
75% of 4 decks +75% synergy
Wood Elves
75% of 4 decks +72% synergy
Eternal Witness
75% of 4 decks +65% synergy
Solemn Simulacrum
62% of 352 decks +48% synergy
Zulaport Cutthroat
61% of 352 decks +55% synergy
Ravenous Chupacabra
58% of 352 decks +56% synergy
Pitiless Plunderer
58% of 352 decks +54% synergy
Junktroller
55% of 352 decks +55% synergy
Gray Merchant of Asphodel
55% of 352 decks +50% synergy
Marionette Apprentice
52% of 69 decks +48% synergy
Duplicant
51% of 352 decks +50% synergy
Goblin Engineer
51% of 352 decks +49% synergy
Skirk Prospector
50% of 352 decks +49% synergy
Zealous Conscripts
50% of 352 decks +49% synergy
Palladium Myr
47% of 352 decks +45% synergy
Warren Soultrader
46% of 69 decks +42% synergy
Woe Strider
46% of 351 decks +45% synergy
Meteor Golem
45% of 352 decks +43% synergy
Pawn of Ulamog
45% of 352 decks +43% synergy
Blood Artist
45% of 352 decks +39% synergy
Imperial Recruiter
43% of 352 decks +40% synergy
Leaden Myr
43% of 352 decks +42% synergy
Iron Myr
43% of 352 decks +42% synergy
Goblin Matron
43% of 352 decks +41% synergy
Reito Sentinel
41% of 328 decks +41% synergy
Dockside Extortionist
39% of 352 decks +32% synergy
Pinnacle Monk
39% of 54 decks +34% synergy
Boggart Trawler
39% of 62 decks +35% synergy
Bronze Walrus
37% of 305 decks +37% synergy
Judith, the Scourge Diva
36% of 352 decks +36% synergy
Metallic Mimic
36% of 352 decks +34% synergy
Goblin Welder
35% of 352 decks +33% synergy
Anger
34% of 352 decks +31% synergy
Krenko, Mob Boss
34% of 352 decks +33% synergy
Clone Shell
33% of 352 decks +33% synergy
Ornithopter of Paradise
31% of 339 decks +26% synergy
Treasonous Ogre
29% of 352 decks +28% synergy
Emrakul's Hatcher
29% of 352 decks +29% synergy
Canal Dredger
28% of 352 decks +28% synergy
Mad Auntie
28% of 352 decks +28% synergy
Plaguecrafter
27% of 352 decks +24% synergy
Burnished Hart
26% of 352 decks +22% synergy
Crypt Ghast
26% of 352 decks +24% synergy
Molten Gatekeeper
26% of 54 decks +23% synergy
Marionette Master
26% of 352 decks +24% synergy
Fell Horseman
26% of 160 decks +25% synergy
Beetleback Chief
24% of 352 decks +23% synergy
Chainer, Nightmare Adept
23% of 352 decks +22% synergy
Mayhem Devil
23% of 352 decks +21% synergy
Accursed Marauder
22% of 54 decks +16% synergy
Instants
Valakut Awakening
55% of 346 decks +52% synergy
Fire Prophecy
40% of 348 decks +40% synergy
Volcanic Spite
38% of 226 decks +38% synergy
Chaos Warp
33% of 352 decks +18% synergy
Dark Ritual
28% of 352 decks +17% synergy
Terminate
22% of 352 decks +17% synergy
Vampiric Tutor
22% of 352 decks +12% synergy
Fell the Profane
17% of 69 decks +11% synergy
Rakdos Charm
17% of 352 decks +14% synergy
Deflecting Swat
17% of 348 decks +9% synergy
Bedevil
15% of 352 decks +12% synergy
Pyroblast
14% of 352 decks +11% synergy
Red Elemental Blast
13% of 352 decks +10% synergy
Abrade
13% of 352 decks +7% synergy
Deadly Rollick
10% of 348 decks +5% synergy
Tibalt's Trickery
10% of 341 decks +7% synergy
Malakir Rebirth
9% of 346 decks +5% synergy
Culling the Weak
8% of 352 decks +6% synergy
Fire Covenant
7% of 352 decks +7% synergy
Thrill of Possibility
7% of 352 decks +2% synergy
Entomb
7% of 352 decks +3% synergy
Cabal Ritual
6% of 352 decks +4% synergy
Village Rites
6% of 348 decks +1% synergy
Demon's Due
6% of 315 decks +6% synergy
Sorceries
Farseek
75% of 4 decks +59% synergy
Into the Fire
38% of 232 decks +37% synergy
Feed the Swarm
28% of 346 decks +19% synergy
Blasphemous Act
26% of 352 decks +10% synergy
Doomsday
25% of 352 decks +25% synergy
Read the Bones
24% of 352 decks +20% synergy
Faithless Looting
23% of 352 decks +15% synergy
Demonic Tutor
21% of 352 decks +10% synergy
Gamble
19% of 352 decks +14% synergy
Jeska's Will
19% of 343 decks +10% synergy
Vandalblast
15% of 352 decks +7% synergy
Diabolic Intent
14% of 352 decks +9% synergy
Dread Return
13% of 352 decks +10% synergy
Toxic Deluge
13% of 352 decks +4% synergy
Victimize
9% of 352 decks +3% synergy
Agadeem's Awakening
9% of 346 decks +7% synergy
Imperial Seal
9% of 352 decks +6% synergy
Grim Tutor
7% of 352 decks +5% synergy
Blood Price
7% of 346 decks +7% synergy
Living Death
7% of 352 decks +4% synergy
Reanimate
7% of 352 decks -1% synergy
Sinister Waltz
7% of 330 decks +6% synergy
Shatterskull Smashing
7% of 346 decks +5% synergy
Diabolic Tutor
7% of 352 decks +3% synergy
Molten Collapse
6% of 143 decks +6% synergy
Molten Duplication
5% of 75 decks +3% synergy
Twinflame
5% of 352 decks +4% synergy
Utility Artifacts
Teferi's Puzzle Box
33% of 352 decks +32% synergy
Reito Lantern
28% of 352 decks +28% synergy
Soldevi Digger
26% of 352 decks +26% synergy
Lightning Greaves
26% of 352 decks +0% synergy
Crystal Ball
23% of 352 decks +23% synergy
Desecrated Tomb
21% of 352 decks +20% synergy
Phyrexian Altar
19% of 352 decks +15% synergy
Skullclamp
19% of 352 decks +6% synergy
Cloak and Dagger
17% of 352 decks +17% synergy
Nim Deathmantle
14% of 352 decks +14% synergy
Swiftfoot Boots
13% of 352 decks -15% synergy
Darksteel Pendant
11% of 352 decks +11% synergy
Goblin Charbelcher
10% of 352 decks +10% synergy
Conjurer's Bauble
10% of 352 decks +10% synergy
Illusionist's Bracers
10% of 352 decks +9% synergy
Thornbite Staff
9% of 352 decks +8% synergy
Crucible of Worlds
9% of 352 decks +6% synergy
Wishclaw Talisman
8% of 352 decks +5% synergy
Palantír of Orthanc
6% of 187 decks +4% synergy
Wayfarer's Bauble
5% of 352 decks -5% synergy
Panharmonicon
5% of 352 decks +1% synergy
Enchantments
Goblin Bombardment
28% of 352 decks +25% synergy
Braid of Fire
23% of 352 decks +23% synergy
Impact Tremors
20% of 352 decks +16% synergy
Shadows of the Past
14% of 352 decks +14% synergy
Mindmoil
11% of 352 decks +11% synergy
Fires of Invention
11% of 352 decks +10% synergy
Mana Echoes
11% of 352 decks +10% synergy
Thran Vigil
10% of 254 decks +10% synergy
Underworld Breach
8% of 351 decks +5% synergy
Chthonian Nightmare
7% of 73 decks +5% synergy
Animate Dead
7% of 352 decks +2% synergy
Phyrexian Arena
5% of 352 decks -2% synergy
Utility Lands
Zhalfirin Void
41% of 352 decks +40% synergy
Buried Ruin
35% of 352 decks +30% synergy
Bojuka Bog
32% of 352 decks +16% synergy
Urborg, Tomb of Yawgmoth
28% of 352 decks +17% synergy
Ancient Tomb
21% of 352 decks +11% synergy
Phyrexian Tower
19% of 352 decks +15% synergy
Great Furnace
17% of 352 decks +14% synergy
Vault of Whispers
16% of 352 decks +14% synergy
Takenuma, Abandoned Mire
15% of 328 decks +9% synergy
Spinerock Knoll
12% of 352 decks +10% synergy
Drownyard Temple
11% of 352 decks +10% synergy
Cabal Coffers
11% of 352 decks +5% synergy
Temple of the False God
10% of 352 decks +1% synergy
High Market
10% of 352 decks +7% synergy
Command Beacon
10% of 352 decks +5% synergy
Nykthos, Shrine to Nyx
9% of 352 decks +3% synergy
Isolated Watchtower
9% of 352 decks +8% synergy
Inventors' Fair
8% of 352 decks +4% synergy
Dakmor Salvage
7% of 352 decks +6% synergy
Castle Locthwain
7% of 352 decks +4% synergy
Urza's Saga
6% of 339 decks -1% synergy
Sokenzan, Crucible of Defiance
6% of 328 decks +3% synergy
Howltooth Hollow
6% of 352 decks +6% synergy
Forgotten Cave
5% of 352 decks +3% synergy
Mana Artifacts
Sol Ring
88% of 352 decks +3% synergy
Arcane Signet
57% of 352 decks -14% synergy
Rakdos Signet
46% of 352 decks +39% synergy
Talisman of Indulgence
35% of 352 decks +29% synergy
Thran Turbine
33% of 352 decks +33% synergy
Mana Crypt
16% of 352 decks +5% synergy
Fellwar Stone
14% of 352 decks -7% synergy
Vessel of Endless Rest
11% of 352 decks +11% synergy
Mind Stone
11% of 352 decks -7% synergy
Chrome Mox
11% of 352 decks +4% synergy
Lotus Petal
10% of 352 decks +3% synergy
Jeweled Lotus
9% of 343 decks +2% synergy
Mana Vault
9% of 352 decks +2% synergy
Commander's Sphere
6% of 352 decks -10% synergy
Lands
Command Tower
87% of 352 decks +13% synergy
Llanowar Wastes
75% of 4 decks +70% synergy
Temple of Malice
62% of 352 decks +59% synergy
Smoldering Marsh
55% of 352 decks +48% synergy
Blood Crypt
53% of 352 decks +44% synergy
Dragonskull Summit
53% of 352 decks +46% synergy
Luxury Suite
44% of 352 decks +38% synergy
Sulfurous Springs
43% of 352 decks +38% synergy
Graven Cairns
34% of 352 decks +32% synergy
Rakdos Carnarium
33% of 352 decks +29% synergy
Crystal Grotto
33% of 293 decks +32% synergy
Bloodstained Mire
32% of 352 decks +21% synergy
Shadowblood Ridge
31% of 352 decks +28% synergy
Blightstep Pathway
30% of 341 decks +28% synergy
Haunted Ridge
29% of 333 decks +25% synergy
Tainted Peak
28% of 352 decks +26% synergy
The Grey Havens
28% of 185 decks +26% synergy
Foreboding Ruins
26% of 352 decks +23% synergy
Path of Ancestry
23% of 352 decks +2% synergy
Raucous Theater
22% of 107 decks +19% synergy
Exotic Orchard
21% of 352 decks -14% synergy
Badlands
17% of 352 decks +14% synergy
Blackcleave Cliffs
15% of 352 decks +14% synergy
Canyon Slough
15% of 352 decks +14% synergy
Arid Mesa
13% of 352 decks +3% synergy
Evolving Wilds
13% of 352 decks -8% synergy
Marsh Flats
13% of 352 decks +1% synergy
Opal Palace
12% of 352 decks +10% synergy
Cavern of Souls
12% of 352 decks +5% synergy
Mount Doom
11% of 232 decks +9% synergy
City of Brass
11% of 352 decks +3% synergy
Bloodfell Caves
10% of 352 decks +8% synergy
Mana Confluence
9% of 352 decks +2% synergy
Terramorphic Expanse
9% of 352 decks -6% synergy
Fabled Passage
9% of 352 decks -0% synergy
Gemstone Caverns
9% of 352 decks +4% synergy
Prismatic Vista
9% of 352 decks +3% synergy
Myriad Landscape
9% of 352 decks -12% synergy
Wooded Foothills
8% of 352 decks -2% synergy
Scalding Tarn
8% of 352 decks -3% synergy
Polluted Delta
8% of 352 decks -3% synergy
Geothermal Bog
8% of 293 decks +7% synergy
Verdant Catacombs
7% of 352 decks -5% synergy
Sulfurous Mire
6% of 341 decks +6% synergy
Auntie's Hovel
5% of 352 decks +5% synergy
Study Hall
5% of 340 decks +5% synergy
Plaza of Heroes
5% of 293 decks +2% synergy
Rakdos Guildgate
5% of 352 decks +4% synergy