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
10.47% of 3258 decks 341 decks
New Cards
Barkform Harvester
94% of 32 decks +92% synergy
Agate Instigator
50% of 6 decks +41% synergy
High Synergy Cards
Sakura-Tribe Elder
100% of 4 decks +91% synergy
Hoverstone Pilgrim
84% of 134 decks +83% synergy
Tomb Trawler
82% of 91 decks +82% synergy
Viscera Seer
83% of 350 decks +78% synergy
Heartstone
75% of 350 decks +75% synergy
Top Cards
The Cauldron of Eternity
74% of 350 decks +73% synergy
Murderous Redcap
70% of 350 decks +70% synergy
Epitaph Golem
70% of 350 decks +70% synergy
Workhorse
68% of 350 decks +68% synergy
Priest of Urabrask
68% of 350 decks +68% synergy
Kiki-Jiki, Mirror Breaker
67% of 350 decks +65% synergy
Priest of Gix
66% of 350 decks +66% synergy
Siege-Gang Commander
63% of 350 decks +62% synergy
Sling-Gang Lieutenant
63% of 350 decks +63% synergy
Tel-Jilad Stylus
62% of 350 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 350 decks +48% synergy
Zulaport Cutthroat
59% of 350 decks +54% synergy
Pitiless Plunderer
58% of 350 decks +54% synergy
Ravenous Chupacabra
58% of 350 decks +56% synergy
Junktroller
55% of 350 decks +55% synergy
Gray Merchant of Asphodel
55% of 350 decks +51% synergy
Marionette Apprentice
52% of 61 decks +48% synergy
Goblin Engineer
52% of 350 decks +50% synergy
Duplicant
51% of 350 decks +50% synergy
Zealous Conscripts
51% of 350 decks +50% synergy
Skirk Prospector
50% of 350 decks +49% synergy
Warren Soultrader
48% of 61 decks +43% synergy
Palladium Myr
46% of 350 decks +44% synergy
Meteor Golem
46% of 350 decks +44% synergy
Pawn of Ulamog
45% of 350 decks +44% synergy
Woe Strider
45% of 349 decks +44% synergy
Imperial Recruiter
44% of 350 decks +41% synergy
Blood Artist
44% of 350 decks +38% synergy
Pinnacle Monk
43% of 46 decks +38% synergy
Leaden Myr
43% of 350 decks +42% synergy
Goblin Matron
43% of 350 decks +42% synergy
Iron Myr
43% of 350 decks +42% synergy
Reito Sentinel
42% of 325 decks +42% synergy
Boggart Trawler
41% of 54 decks +37% synergy
Dockside Extortionist
40% of 350 decks +33% synergy
Bronze Walrus
37% of 302 decks +37% synergy
Metallic Mimic
37% of 350 decks +35% synergy
Judith, the Scourge Diva
35% of 350 decks +35% synergy
Goblin Welder
35% of 350 decks +34% synergy
Anger
34% of 350 decks +31% synergy
Krenko, Mob Boss
33% of 350 decks +32% synergy
Clone Shell
32% of 350 decks +32% synergy
Ornithopter of Paradise
30% of 336 decks +26% synergy
Treasonous Ogre
30% of 350 decks +29% synergy
Canal Dredger
29% of 350 decks +29% synergy
Emrakul's Hatcher
28% of 350 decks +28% synergy
Mad Auntie
28% of 350 decks +28% synergy
Fell Horseman
27% of 152 decks +27% synergy
Plaguecrafter
27% of 350 decks +24% synergy
Crypt Ghast
26% of 350 decks +24% synergy
Burnished Hart
26% of 350 decks +22% synergy
Marionette Master
26% of 350 decks +24% synergy
Molten Gatekeeper
24% of 46 decks +21% synergy
Beetleback Chief
23% of 350 decks +23% synergy
Mayhem Devil
23% of 350 decks +21% synergy
Chainer, Nightmare Adept
22% of 350 decks +21% synergy
Accursed Marauder
22% of 46 decks +16% synergy
Instants
Valakut Awakening
56% of 344 decks +53% synergy
Fire Prophecy
41% of 346 decks +41% synergy
Volcanic Spite
38% of 218 decks +38% synergy
Chaos Warp
33% of 350 decks +18% synergy
Dark Ritual
27% of 350 decks +16% synergy
Vampiric Tutor
22% of 350 decks +12% synergy
Terminate
21% of 350 decks +17% synergy
Fell the Profane
20% of 61 decks +13% synergy
Deflecting Swat
17% of 346 decks +9% synergy
Rakdos Charm
17% of 350 decks +14% synergy
Bedevil
15% of 350 decks +11% synergy
Red Elemental Blast
14% of 350 decks +10% synergy
Pyroblast
13% of 350 decks +10% synergy
Abrade
13% of 350 decks +7% synergy
Deadly Rollick
10% of 346 decks +5% synergy
Tibalt's Trickery
10% of 338 decks +7% synergy
Malakir Rebirth
10% of 344 decks +5% synergy
Fire Covenant
8% of 350 decks +7% synergy
Culling the Weak
8% of 350 decks +6% synergy
Thrill of Possibility
7% of 350 decks +2% synergy
Cabal Ritual
6% of 350 decks +4% synergy
Entomb
6% of 350 decks +2% synergy
Village Rites
5% of 346 decks +0% synergy
Demon's Due
5% of 312 decks +5% synergy
Sorceries
Farseek
75% of 4 decks +59% synergy
Into the Fire
38% of 224 decks +38% synergy
Feed the Swarm
28% of 344 decks +19% synergy
Blasphemous Act
25% of 350 decks +9% synergy
Doomsday
25% of 350 decks +24% synergy
Read the Bones
25% of 350 decks +20% synergy
Faithless Looting
22% of 350 decks +14% synergy
Demonic Tutor
21% of 350 decks +10% synergy
Gamble
19% of 350 decks +15% synergy
Jeska's Will
18% of 341 decks +10% synergy
Vandalblast
15% of 350 decks +7% synergy
Diabolic Intent
13% of 350 decks +9% synergy
Dread Return
13% of 350 decks +10% synergy
Toxic Deluge
13% of 350 decks +5% synergy
Victimize
10% of 350 decks +4% synergy
Agadeem's Awakening
9% of 344 decks +7% synergy
Imperial Seal
9% of 350 decks +6% synergy
Grim Tutor
8% of 350 decks +5% synergy
Reanimate
7% of 350 decks -0% synergy
Blood Price
7% of 344 decks +7% synergy
Living Death
7% of 350 decks +4% synergy
Shatterskull Smashing
7% of 344 decks +5% synergy
Diabolic Tutor
7% of 350 decks +3% synergy
Sinister Waltz
6% of 327 decks +6% synergy
Molten Collapse
6% of 134 decks +5% synergy
Molten Duplication
6% of 67 decks +4% synergy
Sundering Eruption
6% of 54 decks +2% synergy
Utility Artifacts
Teferi's Puzzle Box
33% of 350 decks +32% synergy
Reito Lantern
28% of 350 decks +28% synergy
Soldevi Digger
26% of 350 decks +26% synergy
Lightning Greaves
26% of 350 decks +0% synergy
Crystal Ball
23% of 350 decks +23% synergy
Desecrated Tomb
21% of 350 decks +21% synergy
Skullclamp
20% of 350 decks +7% synergy
Phyrexian Altar
19% of 350 decks +15% synergy
Cloak and Dagger
17% of 350 decks +17% synergy
Nim Deathmantle
14% of 350 decks +13% synergy
Swiftfoot Boots
13% of 350 decks -15% synergy
Darksteel Pendant
12% of 350 decks +12% synergy
Illusionist's Bracers
10% of 350 decks +9% synergy
Goblin Charbelcher
10% of 350 decks +10% synergy
Thornbite Staff
10% of 350 decks +9% synergy
Conjurer's Bauble
9% of 350 decks +9% synergy
Crucible of Worlds
9% of 350 decks +6% synergy
Wishclaw Talisman
8% of 350 decks +5% synergy
Palantír of Orthanc
6% of 179 decks +4% synergy
Panharmonicon
5% of 350 decks +1% synergy
Wayfarer's Bauble
5% of 350 decks -5% synergy
Enchantments
Goblin Bombardment
28% of 350 decks +25% synergy
Braid of Fire
24% of 350 decks +23% synergy
Impact Tremors
20% of 350 decks +16% synergy
Shadows of the Past
13% of 350 decks +13% synergy
Mindmoil
12% of 350 decks +12% synergy
Fires of Invention
11% of 350 decks +11% synergy
Mana Echoes
11% of 350 decks +11% synergy
Thran Vigil
9% of 246 decks +9% synergy
Underworld Breach
8% of 349 decks +5% synergy
Chthonian Nightmare
8% of 65 decks +6% synergy
Animate Dead
7% of 350 decks +2% synergy
Phyrexian Arena
5% of 350 decks -2% synergy
Utility Lands
Zhalfirin Void
41% of 350 decks +40% synergy
Buried Ruin
34% of 350 decks +29% synergy
Bojuka Bog
31% of 350 decks +16% synergy
Urborg, Tomb of Yawgmoth
27% of 350 decks +17% synergy
Ancient Tomb
21% of 350 decks +11% synergy
Phyrexian Tower
19% of 350 decks +15% synergy
Great Furnace
17% of 350 decks +14% synergy
Vault of Whispers
16% of 350 decks +14% synergy
Takenuma, Abandoned Mire
15% of 325 decks +9% synergy
Spinerock Knoll
12% of 350 decks +10% synergy
Drownyard Temple
11% of 350 decks +11% synergy
Cabal Coffers
11% of 350 decks +5% synergy
Temple of the False God
11% of 350 decks +1% synergy
High Market
10% of 350 decks +7% synergy
Command Beacon
10% of 350 decks +5% synergy
Isolated Watchtower
9% of 350 decks +9% synergy
Nykthos, Shrine to Nyx
9% of 350 decks +3% synergy
Inventors' Fair
8% of 350 decks +4% synergy
Dakmor Salvage
7% of 350 decks +6% synergy
Castle Locthwain
7% of 350 decks +4% synergy
Sokenzan, Crucible of Defiance
6% of 325 decks +4% synergy
Howltooth Hollow
6% of 350 decks +6% synergy
Urza's Saga
6% of 336 decks -2% synergy
Forgotten Cave
5% of 350 decks +3% synergy
Mines of Moria
5% of 194 decks +3% synergy
Mana Artifacts
Sol Ring
88% of 350 decks +3% synergy
Arcane Signet
57% of 350 decks -14% synergy
Rakdos Signet
47% of 350 decks +40% synergy
Talisman of Indulgence
35% of 350 decks +29% synergy
Thran Turbine
32% of 350 decks +32% synergy
Mana Crypt
16% of 350 decks +5% synergy
Fellwar Stone
13% of 350 decks -8% synergy
Vessel of Endless Rest
12% of 350 decks +12% synergy
Chrome Mox
11% of 350 decks +4% synergy
Mind Stone
10% of 350 decks -7% synergy
Lotus Petal
10% of 350 decks +3% synergy
Jeweled Lotus
9% of 341 decks +2% synergy
Mana Vault
9% of 350 decks +2% synergy
Commander's Sphere
7% of 350 decks -9% synergy
Lands
Command Tower
86% of 350 decks +12% synergy
Llanowar Wastes
75% of 4 decks +70% synergy
Temple of Malice
63% of 350 decks +59% synergy
Smoldering Marsh
55% of 350 decks +48% synergy
Blood Crypt
53% of 350 decks +44% synergy
Dragonskull Summit
53% of 350 decks +46% synergy
Luxury Suite
44% of 350 decks +38% synergy
Sulfurous Springs
43% of 350 decks +38% synergy
Graven Cairns
34% of 350 decks +33% synergy
Rakdos Carnarium
33% of 350 decks +29% synergy
Crystal Grotto
32% of 287 decks +31% synergy
Bloodstained Mire
32% of 350 decks +22% synergy
Shadowblood Ridge
30% of 350 decks +28% synergy
Blightstep Pathway
30% of 338 decks +28% synergy
Haunted Ridge
28% of 330 decks +25% synergy
The Grey Havens
28% of 177 decks +26% synergy
Tainted Peak
27% of 350 decks +24% synergy
Foreboding Ruins
27% of 350 decks +23% synergy
Raucous Theater
23% of 99 decks +20% synergy
Path of Ancestry
23% of 350 decks +2% synergy
Exotic Orchard
20% of 350 decks -15% synergy
Badlands
17% of 350 decks +14% synergy
Blackcleave Cliffs
15% of 350 decks +14% synergy
Canyon Slough
15% of 350 decks +14% synergy
Arid Mesa
13% of 350 decks +3% synergy
Evolving Wilds
13% of 350 decks -8% synergy
Opal Palace
13% of 350 decks +10% synergy
Cavern of Souls
12% of 350 decks +6% synergy
Marsh Flats
12% of 350 decks +1% synergy
Mount Doom
12% of 224 decks +10% synergy
City of Brass
11% of 350 decks +3% synergy
Bloodfell Caves
10% of 350 decks +8% synergy
Mana Confluence
9% of 350 decks +2% synergy
Terramorphic Expanse
9% of 350 decks -6% synergy
Fabled Passage
9% of 350 decks -0% synergy
Gemstone Caverns
9% of 350 decks +4% synergy
Prismatic Vista
9% of 350 decks +3% synergy
Wooded Foothills
8% of 350 decks -2% synergy
Myriad Landscape
8% of 350 decks -12% synergy
Scalding Tarn
8% of 350 decks -3% synergy
Polluted Delta
8% of 350 decks -3% synergy
Geothermal Bog
7% of 287 decks +6% synergy
Verdant Catacombs
6% of 350 decks -5% synergy
Sulfurous Mire
6% of 338 decks +5% synergy
Auntie's Hovel
6% of 350 decks +6% synergy
Study Hall
5% of 337 decks +5% synergy
Plaza of Heroes
5% of 287 decks +2% synergy
Rakdos Guildgate
5% of 350 decks +4% synergy