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. Grenzo has a power of 3 or greater.
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
2.92% of 3286 decks 96 decks
Wick, the Whorled Mind
0.02% of 5285 decks 1 decks
New Cards
Malevolent Chandelier
75% of 4 decks +75% synergy
Withering Torment
60% of 5 decks +40% synergy
Blazemire Verge
33% of 9 decks +13% synergy
High Synergy Cards
The Cauldron of Eternity
90% of 97 decks +89% synergy
Barkform Harvester
89% of 27 decks +88% synergy
Tomb Trawler
87% of 39 decks +87% synergy
Hoverstone Pilgrim
85% of 61 decks +85% synergy
Epitaph Golem
84% of 97 decks +83% synergy
Heartstone
84% of 97 decks +83% synergy
Viscera Seer
87% of 97 decks +77% synergy
Priest of Gix
75% of 97 decks +75% synergy
Workhorse
74% of 97 decks +74% synergy
Priest of Urabrask
73% of 97 decks +73% synergy
Top Cards
Tel-Jilad Stylus
72% of 97 decks +72% synergy
Woe Strider
70% of 97 decks +68% synergy
Zulaport Cutthroat
70% of 97 decks +60% synergy
Junktroller
68% of 97 decks +68% synergy
Murderous Redcap
68% of 97 decks +67% synergy
Ravenous Chupacabra
68% of 97 decks +64% synergy
Gray Merchant of Asphodel
67% of 97 decks +58% synergy
Meteor Golem
65% of 97 decks +63% synergy
Solemn Simulacrum
65% of 97 decks +51% synergy
Sling-Gang Lieutenant
63% of 97 decks +62% synergy
Creatures
Palladium Myr
62% of 97 decks +60% synergy
Pitiless Plunderer
59% of 97 decks +51% synergy
Warren Soultrader
58% of 31 decks +51% synergy
Leaden Myr
56% of 97 decks +54% synergy
Siege-Gang Commander
55% of 97 decks +52% synergy
Iron Myr
55% of 97 decks +52% synergy
Bronze Walrus
52% of 97 decks +51% synergy
Murderous Rider
52% of 97 decks +49% synergy
Duplicant
51% of 97 decks +50% synergy
Pawn of Ulamog
49% of 97 decks +47% synergy
Reito Sentinel
48% of 97 decks +48% synergy
Kiki-Jiki, Mirror Breaker
46% of 97 decks +43% synergy
Ornithopter of Paradise
46% of 97 decks +42% synergy
Skirk Prospector
45% of 97 decks +43% synergy
Blood Artist
43% of 97 decks +32% synergy
Marionette Apprentice
42% of 31 decks +34% synergy
Plaguecrafter
40% of 97 decks +35% synergy
Goblin Matron
38% of 97 decks +36% synergy
Zealous Conscripts
36% of 97 decks +34% synergy
Chainer, Nightmare Adept
35% of 97 decks +30% synergy
Anger
35% of 97 decks +29% synergy
Threefold Thunderhulk
35% of 63 decks +34% synergy
Emrakul's Hatcher
34% of 97 decks +34% synergy
Goblin Engineer
33% of 97 decks +30% synergy
Burnished Hart
33% of 97 decks +29% synergy
Clone Shell
32% of 97 decks +32% synergy
Deathbringer Thoctar
32% of 97 decks +31% synergy
Boggart Trawler
31% of 29 decks +26% synergy
Mad Auntie
31% of 97 decks +31% synergy
Judith, the Scourge Diva
31% of 97 decks +29% synergy
Beetleback Chief
30% of 97 decks +29% synergy
Canal Dredger
29% of 97 decks +29% synergy
Warteye Witch
29% of 97 decks +29% synergy
Accursed Marauder
29% of 28 decks +20% synergy
Zoyowa Lava-Tongue
28% of 50 decks +27% synergy
Shriekmaw
28% of 97 decks +25% synergy
Goblin Welder
28% of 97 decks +25% synergy
Metallic Mimic
26% of 97 decks +24% synergy
Agate Instigator
25% of 12 decks +17% synergy
Krenko, Mob Boss
25% of 97 decks +23% synergy
Mahadi, Emporium Master
25% of 97 decks +18% synergy
Gev, Scaled Scorch
23% of 13 decks +21% synergy
Mindclaw Shaman
23% of 97 decks +22% synergy
Goblin Trashmaster
23% of 97 decks +21% synergy
Phyrexian Delver
23% of 97 decks +21% synergy
Molten Gatekeeper
21% of 28 decks +17% synergy
Totentanz, Swarm Piper
21% of 97 decks +20% synergy
Mayhem Devil
21% of 97 decks +11% synergy
Mogg War Marshal
20% of 97 decks +18% synergy
Imperial Recruiter
20% of 97 decks +14% synergy
Instants
Fire Prophecy
49% of 97 decks +49% synergy
Valakut Awakening
49% of 97 decks +43% synergy
Volcanic Spite
43% of 97 decks +43% synergy
Chaos Warp
35% of 97 decks +3% synergy
Terminate
28% of 97 decks +7% synergy
Dark Ritual
18% of 97 decks -5% synergy
Rakdos Charm
14% of 97 decks +0% synergy
Thrill of Possibility
13% of 97 decks +3% synergy
Village Rites
12% of 97 decks +2% synergy
Deflecting Swat
11% of 97 decks -5% synergy
Abrade
9% of 97 decks -2% synergy
Bedevil
9% of 97 decks -5% synergy
Malakir Rebirth
7% of 97 decks -1% synergy
Vampiric Tutor
7% of 97 decks -11% synergy
Demon's Due
6% of 97 decks +6% synergy
Cabal Ritual
6% of 97 decks +1% synergy
Tibalt's Trickery
5% of 97 decks -0% synergy
Pyroblast
5% of 97 decks -1% synergy
Red Elemental Blast
5% of 97 decks -1% synergy
Sorceries
Into the Fire
45% of 97 decks +45% synergy
Read the Bones
39% of 97 decks +31% synergy
Blasphemous Act
35% of 97 decks +2% synergy
Feed the Swarm
34% of 97 decks +16% synergy
Faithless Looting
23% of 97 decks +6% synergy
Dread Return
22% of 97 decks +16% synergy
Vandalblast
20% of 97 decks +3% synergy
Blood Price
19% of 97 decks +18% synergy
Victimize
16% of 97 decks +5% synergy
Diabolic Intent
15% of 97 decks +7% synergy
Sinister Waltz
13% of 97 decks +13% synergy
Diabolic Tutor
12% of 97 decks +6% synergy
Gamble
11% of 97 decks +1% synergy
Toxic Deluge
10% of 97 decks -7% synergy
Doomsday
9% of 97 decks +9% synergy
Demonic Tutor
9% of 97 decks -13% synergy
Jeska's Will
8% of 97 decks -9% synergy
Sign in Blood
7% of 97 decks -2% synergy
Agadeem's Awakening
6% of 97 decks +3% synergy
Utility Artifacts
Reito Lantern
40% of 97 decks +40% synergy
Teferi's Puzzle Box
31% of 97 decks +30% synergy
Desecrated Tomb
27% of 97 decks +26% synergy
Skullclamp
27% of 97 decks +14% synergy
Crystal Ball
26% of 97 decks +25% synergy
Lightning Greaves
25% of 97 decks -1% synergy
Soldevi Digger
23% of 97 decks +23% synergy
Darksteel Pendant
20% of 97 decks +20% synergy
Phyrexian Altar
20% of 97 decks +16% synergy
Swiftfoot Boots
19% of 97 decks -9% synergy
Cloak and Dagger
18% of 97 decks +17% synergy
Conjurer's Bauble
14% of 97 decks +14% synergy
Nim Deathmantle
12% of 97 decks +12% synergy
Goblin Charbelcher
11% of 97 decks +11% synergy
Thornbite Staff
7% of 97 decks +6% synergy
Wishclaw Talisman
7% of 97 decks +2% synergy
Wayfarer's Bauble
7% of 97 decks -3% synergy
Palantír of Orthanc
6% of 97 decks +5% synergy
Altar of Dementia
6% of 97 decks +3% synergy
Enchantments
Goblin Bombardment
44% of 97 decks +38% synergy
Impact Tremors
39% of 97 decks +30% synergy
Braid of Fire
23% of 97 decks +22% synergy
Mindmoil
20% of 97 decks +19% synergy
Shadows of the Past
16% of 97 decks +16% synergy
Thran Vigil
12% of 97 decks +12% synergy
Mana Echoes
8% of 97 decks +7% synergy
Black Market
8% of 97 decks +4% synergy
Fires of Invention
7% of 97 decks +7% synergy
Utility Lands
Zhalfirin Void
56% of 97 decks +55% synergy
Buried Ruin
34% of 97 decks +29% synergy
Bojuka Bog
33% of 97 decks +3% synergy
Urborg, Tomb of Yawgmoth
16% of 97 decks +7% synergy
Phyrexian Tower
15% of 97 decks +7% synergy
Drownyard Temple
14% of 97 decks +14% synergy
Vault of Whispers
14% of 97 decks +10% synergy
Great Furnace
14% of 97 decks +9% synergy
Temple of the False God
14% of 97 decks +5% synergy
Isolated Watchtower
13% of 97 decks +13% synergy
High Market
11% of 97 decks +8% synergy
Ancient Tomb
11% of 97 decks +1% synergy
Dakmor Salvage
9% of 97 decks +7% synergy
Spinerock Knoll
8% of 97 decks +4% synergy
Inventors' Fair
7% of 97 decks +3% synergy
Forgotten Cave
6% of 97 decks +2% synergy
Cabal Coffers
6% of 97 decks -5% synergy
Barren Moor
5% of 97 decks +1% synergy
Command Beacon
5% of 97 decks +0% synergy
Mortuary Mire
5% of 97 decks +0% synergy
Castle Locthwain
5% of 97 decks -0% synergy
Takenuma, Abandoned Mire
5% of 97 decks -5% synergy
Mana Artifacts
Sol Ring
80% of 97 decks -4% synergy
Arcane Signet
61% of 97 decks -11% synergy
Rakdos Signet
46% of 97 decks +17% synergy
Thran Turbine
40% of 97 decks +40% synergy
Talisman of Indulgence
29% of 97 decks +3% synergy
Vessel of Endless Rest
20% of 97 decks +19% synergy
Mind Stone
18% of 97 decks +0% synergy
Fellwar Stone
18% of 97 decks -4% synergy
Seer's Lantern
7% of 97 decks +7% synergy
Commander's Sphere
7% of 97 decks -8% synergy
Thran Dynamo
5% of 97 decks +0% synergy
Lands
Command Tower
89% of 97 decks +15% synergy
Temple of Malice
70% of 97 decks +56% synergy
Smoldering Marsh
52% of 97 decks +19% synergy
Dragonskull Summit
49% of 97 decks +19% synergy
Rakdos Carnarium
42% of 97 decks +28% synergy
Luxury Suite
41% of 97 decks +15% synergy
Crystal Grotto
40% of 97 decks +39% synergy
Blood Crypt
37% of 97 decks -2% synergy
Sulfurous Springs
35% of 97 decks +15% synergy
Graven Cairns
32% of 97 decks +24% synergy
Haunted Ridge
32% of 97 decks +16% synergy
Path of Ancestry
30% of 97 decks +9% synergy
The Grey Havens
29% of 97 decks +27% synergy
Foreboding Ruins
29% of 97 decks +13% synergy
Tainted Peak
27% of 97 decks +17% synergy
Bloodstained Mire
26% of 97 decks +15% synergy
Shadowblood Ridge
25% of 97 decks +13% synergy
Myriad Landscape
22% of 97 decks +2% synergy
Exotic Orchard
22% of 97 decks -14% synergy
Raucous Theater
21% of 42 decks +8% synergy
Evolving Wilds
18% of 97 decks -3% synergy
Bloodfell Caves
15% of 97 decks +9% synergy
Canyon Slough
14% of 97 decks +8% synergy
Blightstep Pathway
14% of 97 decks +5% synergy
Badlands
11% of 97 decks -2% synergy
Study Hall
9% of 97 decks +9% synergy
Opal Palace
9% of 97 decks +7% synergy
Drossforge Bridge
9% of 97 decks +5% synergy
Terramorphic Expanse
9% of 97 decks -6% synergy
Geothermal Bog
8% of 97 decks +5% synergy
Mount Doom
8% of 97 decks +1% synergy
Sulfurous Mire
7% of 97 decks +5% synergy
Akoum Refuge
7% of 97 decks +5% synergy
Rakdos Guildgate
7% of 97 decks +3% synergy
Blackcleave Cliffs
7% of 97 decks +2% synergy
Fabled Passage
7% of 97 decks -2% synergy
Arid Mesa
7% of 97 decks -3% synergy
Marsh Flats
7% of 97 decks -4% synergy
Auntie's Hovel
6% of 97 decks +6% synergy
Prismatic Vista
6% of 97 decks +1% synergy
Tramway Station
5% of 97 decks +4% synergy
Plaza of Heroes
5% of 97 decks +2% synergy