Grenzo, Dungeon Warden + Ashnod's Altar + Fell Horseman

Grenzo, Dungeon Warden
Ashnod's Altar
Fell Horseman

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

Grenzo, Dungeon Warden
3.19% of 3537 decks 113 decks
Wick, the Whorled Mind
0.01% of 6955 decks 1 decks
New Cards
Howlsquad Heavy
12% of 16 decks +11% synergy
Draconautics Engineer
6% of 18 decks +5% synergy
Pit Automaton
6% of 18 decks +5% synergy
Muraganda Raceway
6% of 18 decks +4% synergy
Tyrox, Saurid Tyrant
6% of 18 decks +5% synergy
High Synergy Cards
The Cauldron of Eternity
85% of 114 decks +85% synergy
Heartstone
85% of 114 decks +85% synergy
Viscera Seer
89% of 114 decks +80% synergy
Tomb Trawler
79% of 66 decks +79% synergy
Epitaph Golem
78% of 114 decks +78% synergy
Barkform Harvester
76% of 51 decks +76% synergy
Priest of Gix
76% of 114 decks +76% synergy
Workhorse
75% of 114 decks +75% synergy
Priest of Urabrask
75% of 114 decks +75% synergy
Hoverstone Pilgrim
71% of 91 decks +71% synergy
Top Cards
Tel-Jilad Stylus
68% of 114 decks +67% synergy
Woe Strider
67% of 114 decks +64% synergy
Murderous Redcap
65% of 114 decks +63% synergy
Zulaport Cutthroat
65% of 114 decks +56% synergy
Junktroller
63% of 114 decks +63% synergy
Solemn Simulacrum
63% of 114 decks +49% synergy
Gray Merchant of Asphodel
61% of 114 decks +52% synergy
Ravenous Chupacabra
61% of 114 decks +57% synergy
Sling-Gang Lieutenant
60% of 114 decks +59% synergy
Meteor Golem
59% of 114 decks +57% synergy
Game Changers
Ancient Tomb
10% of 114 decks -0% synergy
Demonic Tutor
9% of 114 decks -13% synergy
Jeska's Will
7% of 114 decks -10% synergy
Vampiric Tutor
7% of 114 decks -10% synergy
Creatures
Palladium Myr
57% of 114 decks +55% synergy
Leaden Myr
55% of 114 decks +53% synergy
Pitiless Plunderer
55% of 114 decks +48% synergy
Iron Myr
54% of 114 decks +52% synergy
Murderous Rider
54% of 114 decks +51% synergy
Siege-Gang Commander
52% of 114 decks +50% synergy
Pawn of Ulamog
49% of 114 decks +47% synergy
Bronze Walrus
48% of 114 decks +48% synergy
Reito Sentinel
47% of 114 decks +47% synergy
Duplicant
45% of 114 decks +44% synergy
Ornithopter of Paradise
45% of 114 decks +40% synergy
Kiki-Jiki, Mirror Breaker
43% of 114 decks +40% synergy
Blood Artist
42% of 114 decks +30% synergy
Skirk Prospector
40% of 114 decks +38% synergy
Marionette Apprentice
39% of 57 decks +33% synergy
Warren Soultrader
39% of 57 decks +33% synergy
Plaguecrafter
36% of 114 decks +31% synergy
Emrakul's Hatcher
34% of 114 decks +34% synergy
Goblin Matron
33% of 114 decks +31% synergy
Goblin Engineer
33% of 114 decks +30% synergy
Chainer, Nightmare Adept
33% of 114 decks +29% synergy
Burnished Hart
32% of 114 decks +29% synergy
Zealous Conscripts
32% of 114 decks +30% synergy
Anger
32% of 114 decks +26% synergy
Clone Shell
31% of 114 decks +31% synergy
Warteye Witch
29% of 114 decks +29% synergy
Deathbringer Thoctar
29% of 114 decks +28% synergy
Judith, the Scourge Diva
28% of 114 decks +27% synergy
Canal Dredger
27% of 114 decks +27% synergy
Mad Auntie
27% of 114 decks +27% synergy
Beetleback Chief
26% of 114 decks +25% synergy
Shriekmaw
25% of 114 decks +23% synergy
Goblin Welder
25% of 114 decks +23% synergy
Threefold Thunderhulk
25% of 91 decks +24% synergy
Krenko, Mob Boss
25% of 114 decks +23% synergy
Metallic Mimic
23% of 114 decks +21% synergy
Phyrexian Delver
22% of 114 decks +21% synergy
Mahadi, Emporium Master
21% of 114 decks +15% synergy
Syr Konrad, the Grim
21% of 114 decks +12% synergy
Mindclaw Shaman
20% of 114 decks +20% synergy
Mayhem Devil
20% of 114 decks +10% synergy
Goblin Trashmaster
19% of 114 decks +18% synergy
Boggart Trawler
19% of 57 decks +16% synergy
Totentanz, Swarm Piper
18% of 114 decks +18% synergy
Myr Retriever
18% of 114 decks +17% synergy
Crypt Ghast
18% of 114 decks +13% synergy
Imperial Recruiter
18% of 114 decks +13% synergy
Accursed Marauder
18% of 56 decks +12% synergy
Mogg War Marshal
18% of 114 decks +16% synergy
Carrion Feeder
17% of 114 decks +12% synergy
Instants
Valakut Awakening
49% of 114 decks +43% synergy
Fire Prophecy
48% of 114 decks +48% synergy
Volcanic Spite
42% of 114 decks +42% synergy
Chaos Warp
32% of 114 decks +1% synergy
Terminate
26% of 114 decks +6% synergy
Dark Ritual
18% of 114 decks -5% synergy
Rakdos Charm
13% of 114 decks -1% synergy
Village Rites
11% of 114 decks +2% synergy
Thrill of Possibility
11% of 114 decks +1% synergy
Withering Torment
11% of 45 decks +3% synergy
Bedevil
11% of 114 decks -3% synergy
Deflecting Swat
10% of 114 decks -7% synergy
Abrade
9% of 114 decks -3% synergy
Cabal Ritual
7% of 114 decks +2% synergy
Malakir Rebirth
6% of 114 decks -2% synergy
Demon's Due
5% of 114 decks +5% synergy
Culling the Weak
5% of 114 decks +1% synergy
Go for the Throat
5% of 114 decks -2% synergy
Fell the Profane
5% of 57 decks -3% synergy
Sorceries
Into the Fire
45% of 114 decks +44% synergy
Read the Bones
37% of 114 decks +30% synergy
Blasphemous Act
33% of 114 decks +0% synergy
Feed the Swarm
32% of 114 decks +14% synergy
Faithless Looting
21% of 114 decks +5% synergy
Dread Return
20% of 114 decks +15% synergy
Vandalblast
18% of 114 decks +3% synergy
Blood Price
18% of 114 decks +17% synergy
Diabolic Intent
14% of 114 decks +6% synergy
Victimize
14% of 114 decks +2% synergy
Sinister Waltz
13% of 114 decks +13% synergy
Diabolic Tutor
11% of 114 decks +5% synergy
Doomsday
10% of 114 decks +9% synergy
Gamble
10% of 114 decks +0% synergy
Toxic Deluge
9% of 114 decks -9% synergy
Sign in Blood
6% of 114 decks -3% synergy
Agadeem's Awakening
5% of 114 decks +2% synergy
Sundering Eruption
5% of 57 decks +2% synergy
Mana Geyser
5% of 114 decks -1% synergy
Utility Artifacts
Reito Lantern
39% of 114 decks +39% synergy
Desecrated Tomb
26% of 114 decks +26% synergy
Teferi's Puzzle Box
26% of 114 decks +25% synergy
Skullclamp
25% of 114 decks +13% synergy
Crystal Ball
24% of 114 decks +23% synergy
Lightning Greaves
23% of 114 decks -2% synergy
Mind Stone
22% of 114 decks +5% synergy
Soldevi Digger
21% of 114 decks +21% synergy
Darksteel Pendant
20% of 114 decks +20% synergy
Phyrexian Altar
19% of 114 decks +15% synergy
Swiftfoot Boots
18% of 114 decks -9% synergy
Cloak and Dagger
16% of 114 decks +16% synergy
Goblin Charbelcher
15% of 114 decks +15% synergy
Conjurer's Bauble
15% of 114 decks +15% synergy
Nim Deathmantle
12% of 114 decks +12% synergy
Wayfarer's Bauble
8% of 114 decks -2% synergy
Illusionist's Bracers
7% of 114 decks +6% synergy
Thornbite Staff
6% of 114 decks +5% synergy
Moonsilver Key
6% of 114 decks +5% synergy
Altar of Dementia
6% of 114 decks +4% synergy
Commander's Sphere
6% of 114 decks -8% synergy
Palantír of Orthanc
5% of 114 decks +4% synergy
Wishclaw Talisman
5% of 114 decks -0% synergy
Enchantments
Goblin Bombardment
42% of 114 decks +36% synergy
Impact Tremors
36% of 114 decks +26% synergy
Braid of Fire
24% of 114 decks +23% synergy
Mindmoil
20% of 114 decks +20% synergy
Shadows of the Past
19% of 114 decks +19% synergy
Thran Vigil
11% of 114 decks +11% synergy
Fires of Invention
8% of 114 decks +8% synergy
Soul Enervation
7% of 71 decks +7% synergy
Mana Echoes
7% of 114 decks +6% synergy
Black Market
7% of 114 decks +3% synergy
Utility Lands
Zhalfirin Void
53% of 114 decks +52% synergy
Buried Ruin
32% of 114 decks +27% synergy
Bojuka Bog
30% of 114 decks -0% synergy
Urborg, Tomb of Yawgmoth
15% of 114 decks +5% synergy
Phyrexian Tower
14% of 114 decks +5% synergy
Isolated Watchtower
13% of 114 decks +13% synergy
Temple of the False God
13% of 114 decks +4% synergy
Drownyard Temple
12% of 114 decks +12% synergy
Vault of Whispers
12% of 114 decks +8% synergy
Great Furnace
12% of 114 decks +7% synergy
High Market
10% of 114 decks +7% synergy
Spinerock Knoll
9% of 114 decks +5% synergy
Dakmor Salvage
8% of 114 decks +6% synergy
Inventors' Fair
8% of 114 decks +4% synergy
Takenuma, Abandoned Mire
7% of 114 decks -3% synergy
Cabal Coffers
7% of 114 decks -3% synergy
Forgotten Cave
6% of 114 decks +2% synergy
Command Beacon
5% of 114 decks +1% synergy
Mortuary Mire
5% of 114 decks +1% synergy
Mana Artifacts
Sol Ring
83% of 114 decks -1% synergy
Arcane Signet
63% of 114 decks -9% synergy
Rakdos Signet
43% of 114 decks +14% synergy
Thran Turbine
37% of 114 decks +37% synergy
Talisman of Indulgence
30% of 114 decks +3% synergy
Vessel of Endless Rest
19% of 114 decks +19% synergy
Fellwar Stone
18% of 114 decks -3% synergy
Seer's Lantern
8% of 114 decks +8% synergy
Charcoal Diamond
7% of 114 decks +2% synergy
Fire Diamond
7% of 114 decks +2% synergy
Lands
Command Tower
86% of 114 decks +12% synergy
Temple of Malice
68% of 114 decks +54% synergy
Smoldering Marsh
49% of 114 decks +16% synergy
Dragonskull Summit
48% of 114 decks +16% synergy
Rakdos Carnarium
39% of 114 decks +24% synergy
Crystal Grotto
38% of 114 decks +37% synergy
Luxury Suite
38% of 114 decks +12% synergy
Blood Crypt
37% of 114 decks -1% synergy
Foreboding Ruins
35% of 114 decks +19% synergy
Sulfurous Springs
34% of 114 decks +13% synergy
Tainted Peak
32% of 114 decks +21% synergy
Haunted Ridge
32% of 114 decks +15% synergy
Graven Cairns
30% of 114 decks +22% synergy
Path of Ancestry
28% of 114 decks +6% synergy
The Grey Havens
27% of 114 decks +26% synergy
Shadowblood Ridge
27% of 114 decks +15% synergy
Bloodstained Mire
24% of 114 decks +13% synergy
Exotic Orchard
21% of 114 decks -15% synergy
Myriad Landscape
19% of 114 decks +1% synergy
Evolving Wilds
17% of 114 decks -4% synergy
Blightstep Pathway
16% of 114 decks +6% synergy
Raucous Theater
14% of 72 decks +4% synergy
Blazemire Verge
13% of 45 decks +3% synergy
Canyon Slough
13% of 114 decks +7% synergy
Bloodfell Caves
13% of 114 decks +6% synergy
Study Hall
11% of 114 decks +10% synergy
Drossforge Bridge
11% of 114 decks +7% synergy
Rakdos Guildgate
11% of 114 decks +6% synergy
Badlands
11% of 114 decks -3% synergy
Sulfurous Mire
10% of 114 decks +8% synergy
Opal Palace
10% of 114 decks +7% synergy
Terramorphic Expanse
10% of 114 decks -6% synergy
Geothermal Bog
7% of 114 decks +4% synergy
Blackcleave Cliffs
7% of 114 decks +1% synergy
Mount Doom
7% of 114 decks +0% synergy
Cinder Barrens
6% of 114 decks +5% synergy
Akoum Refuge
6% of 114 decks +4% synergy
Fabled Passage
6% of 114 decks -3% synergy
Arid Mesa
6% of 114 decks -4% synergy
Marsh Flats
6% of 114 decks -5% synergy
Auntie's Hovel
5% of 114 decks +5% synergy
Prismatic Vista
5% of 114 decks +0% synergy