Grenzo, Dungeon Warden + Kiki-Jiki, Mirror Breaker + Swiftgear Drake + Ashnod's Altar

Grenzo, Dungeon Warden
Kiki-Jiki, Mirror Breaker
Swiftgear Drake
Ashnod's Altar

Requires
Grenzo, Dungeon Warden must be on the battlefield. Kiki-Jiki, Mirror Breaker must be on the battlefield. Swiftgear Drake must be on the battlefield. Ashnod's Altar must be on the battlefield.
Steps
  1. Activate Kiki-Jiki by tapping it, targeting Swiftgear Drake.
  2. Holding priority, activate Ashnod's Altar by sacrificing Kiki-Jiki, adding cc.
  3. Resolve the Kiki-Jiki ability, creating a token copy of Swiftgear Drake.
  4. When the Swiftgear Drake token enters the batlefield, it triggers, putting Kiki-Jiki on the bottom of your library from your graveyard.
  5. Activate Grenzo by paying 2, putting Kiki-Jiki into your graveyard from the bottom of your library, and then putting it onto the battlefield.
  6. Repeat.
Results
Infinite colorless mana. Infinite creature tokens with haste. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers. Infinite self-mill.

Top Commanders (1)
Grenzo, Dungeon Warden
0.65% of 3254 decks 21 decks
High Synergy Cards (10)
Siege-Gang Commander
81% of 21 decks +77% synergy
Viscera Seer
81% of 21 decks +69% synergy
Murderous Redcap
71% of 21 decks +68% synergy
Sling-Gang Lieutenant
67% of 21 decks +63% synergy
Krenko, Mob Boss
67% of 21 decks +62% synergy
Gray Merchant of Asphodel
67% of 21 decks +58% synergy
Skirk Prospector
62% of 21 decks +57% synergy
Priest of Gix
57% of 21 decks +55% synergy
Priest of Urabrask
52% of 21 decks +50% synergy
Ravenous Chupacabra
52% of 21 decks +49% synergy
Top Cards (10)
Junktroller
90% of 21 decks +89% synergy
Tel-Jilad Stylus
81% of 21 decks +80% synergy
The Cauldron of Eternity
81% of 21 decks +79% synergy
Heartstone
81% of 21 decks +78% synergy
Hoverstone Pilgrim
78% of 9 decks +76% synergy
Workhorse
76% of 21 decks +75% synergy
Solemn Simulacrum
71% of 21 decks +48% synergy
Epitaph Golem
67% of 21 decks +66% synergy
Palladium Myr
62% of 21 decks +60% synergy
Meteor Golem
57% of 21 decks +53% synergy
Creatures (50)
Zulaport Cutthroat
52% of 21 decks +42% synergy
Duplicant
52% of 21 decks +51% synergy
Bronze Walrus
48% of 21 decks +47% synergy
Beetleback Chief
48% of 21 decks +46% synergy
Mad Auntie
48% of 21 decks +45% synergy
Goblin Warchief
48% of 21 decks +45% synergy
Goblin Matron
48% of 21 decks +44% synergy
Anger
48% of 21 decks +32% synergy
Canal Dredger
43% of 21 decks +42% synergy
Emrakul's Hatcher
43% of 21 decks +42% synergy
Goblin Chieftain
43% of 21 decks +41% synergy
Leaden Myr
43% of 21 decks +40% synergy
Iron Myr
43% of 21 decks +40% synergy
Pawn of Ulamog
43% of 21 decks +39% synergy
Burnished Hart
43% of 21 decks +32% synergy
Dockside Extortionist
43% of 21 decks +22% synergy
Goblin Trashmaster
38% of 21 decks +36% synergy
Crypt Ghast
38% of 21 decks +35% synergy
Goblin Engineer
38% of 21 decks +32% synergy
Pitiless Plunderer
38% of 21 decks +28% synergy
Clone Shell
33% of 21 decks +33% synergy
Reito Sentinel
33% of 21 decks +33% synergy
Warteye Witch
33% of 21 decks +32% synergy
Munitions Expert
33% of 21 decks +31% synergy
Metallic Mimic
33% of 21 decks +31% synergy
Zealous Conscripts
33% of 21 decks +31% synergy
Krenko, Tin Street Kingpin
33% of 21 decks +28% synergy
Plaguecrafter
33% of 21 decks +25% synergy
Chainer, Nightmare Adept
33% of 21 decks +22% synergy
Deathbringer Thoctar
29% of 21 decks +27% synergy
Hobgoblin Bandit Lord
29% of 21 decks +27% synergy
Ornithopter of Paradise
29% of 21 decks +25% synergy
Goblin Welder
29% of 21 decks +25% synergy
Shriekmaw
29% of 21 decks +25% synergy
Murderous Rider
29% of 21 decks +24% synergy
Marionette Master
29% of 21 decks +17% synergy
Moggcatcher
24% of 21 decks +23% synergy
Pilgrim's Eye
24% of 21 decks +23% synergy
Rundvelt Hordemaster
24% of 21 decks +22% synergy
Frogtosser Banneret
24% of 21 decks +22% synergy
Pashalik Mons
24% of 21 decks +21% synergy
Fleshbag Marauder
24% of 21 decks +20% synergy
Woe Strider
24% of 21 decks +20% synergy
Brash Taunter
24% of 21 decks +17% synergy
Imperial Recruiter
24% of 21 decks +16% synergy
Blood Artist
24% of 21 decks +8% synergy
Lightning Crafter
19% of 21 decks +18% synergy
Balthor the Defiled
19% of 21 decks +18% synergy
Goblin Cratermaker
19% of 21 decks +18% synergy
Goblin Chirurgeon
19% of 21 decks +18% synergy
Instants (8)
Volcanic Spite
50% of 14 decks +49% synergy
Valakut Awakening
48% of 21 decks +37% synergy
Fire Prophecy
38% of 21 decks +37% synergy
Chaos Warp
33% of 21 decks -18% synergy
Terminate
29% of 21 decks -16% synergy
Deflecting Swat
14% of 21 decks -4% synergy
Bedevil
14% of 21 decks -26% synergy
Rakdos Charm
14% of 21 decks -28% synergy
Sorceries (10)
Into the Fire
33% of 15 decks +31% synergy
Doomsday
24% of 21 decks +23% synergy
Faithless Looting
24% of 21 decks -7% synergy
Sinister Waltz
19% of 21 decks +16% synergy
Dread Return
19% of 21 decks +14% synergy
Blasphemous Act
19% of 21 decks -30% synergy
Feed the Swarm
19% of 21 decks -30% synergy
Diabolic Intent
14% of 21 decks +5% synergy
Read the Bones
14% of 21 decks -3% synergy
Vandalblast
14% of 21 decks -20% synergy
Utility Artifacts (12)
Desecrated Tomb
33% of 21 decks +32% synergy
Soldevi Digger
29% of 21 decks +28% synergy
Reito Lantern
29% of 21 decks +28% synergy
Crystal Ball
24% of 21 decks +23% synergy
Teferi's Puzzle Box
24% of 21 decks +23% synergy
Phyrexian Altar
24% of 21 decks +18% synergy
Skullclamp
24% of 21 decks +11% synergy
Lightning Greaves
24% of 21 decks -7% synergy
Darksteel Pendant
19% of 21 decks +19% synergy
Nim Deathmantle
19% of 21 decks +18% synergy
Conjurer's Bauble
14% of 21 decks +14% synergy
Swiftfoot Boots
14% of 21 decks -18% synergy
Enchantments (3)
Braid of Fire
38% of 21 decks +36% synergy
Goblin Bombardment
29% of 21 decks +17% synergy
Mindmoil
14% of 21 decks +14% synergy
Utility Lands (13)
Zhalfirin Void
57% of 21 decks +54% synergy
Buried Ruin
33% of 21 decks +29% synergy
Urborg, Tomb of Yawgmoth
33% of 21 decks +12% synergy
Bojuka Bog
24% of 21 decks -16% synergy
Isolated Watchtower
19% of 21 decks +19% synergy
Nykthos, Shrine to Nyx
19% of 21 decks +17% synergy
Phyrexian Tower
19% of 21 decks +9% synergy
Cabal Coffers
19% of 21 decks +7% synergy
Homeward Path
14% of 21 decks +13% synergy
Maze of Ith
14% of 21 decks +12% synergy
Inventors' Fair
14% of 21 decks +12% synergy
Vault of Whispers
14% of 21 decks +10% synergy
Great Furnace
14% of 21 decks +10% synergy
Mana Artifacts (5)
Sol Ring
95% of 21 decks +7% synergy
Thran Turbine
48% of 21 decks +47% synergy
Rakdos Signet
33% of 21 decks -33% synergy
Arcane Signet
24% of 21 decks -58% synergy
Vessel of Endless Rest
19% of 21 decks +19% synergy
Lands (25)
Command Tower
95% of 21 decks +9% synergy
Temple of Malice
67% of 21 decks +32% synergy
Smoldering Marsh
57% of 21 decks -7% synergy
Blood Crypt
52% of 21 decks +7% synergy
Dragonskull Summit
52% of 21 decks -1% synergy
Graven Cairns
43% of 21 decks +20% synergy
Luxury Suite
38% of 21 decks -3% synergy
Foreboding Ruins
38% of 21 decks -7% synergy
Sulfurous Springs
33% of 21 decks -4% synergy
The Grey Havens
31% of 13 decks +30% synergy
Crystal Grotto
29% of 21 decks +27% synergy
Bloodstained Mire
29% of 21 decks +3% synergy
Shadowblood Ridge
24% of 21 decks -8% synergy
Haunted Ridge
24% of 21 decks -9% synergy
Tainted Peak
24% of 21 decks -13% synergy
Rakdos Carnarium
24% of 21 decks -17% synergy
Opal Palace
19% of 21 decks +17% synergy
Badlands
19% of 21 decks +6% synergy
Canyon Slough
19% of 21 decks +4% synergy
Path of Ancestry
19% of 21 decks +4% synergy
Evolving Wilds
19% of 21 decks -3% synergy
Exotic Orchard
19% of 21 decks -12% synergy
Study Hall
14% of 21 decks +14% synergy
Myriad Landscape
14% of 21 decks -13% synergy
Blightstep Pathway
14% of 21 decks -14% synergy