Pentavus + Cathars' Crusade + Krark-Clan Ironworks

Pentavus
Cathars' Crusade
Krark-Clan Ironworks

Requires
Pentavus must be on the battlefield. Cathars' Crusade must be on the battlefield. Krark-Clan Ironworks must be on the battlefield. Pentavus has at least two +1/+1 counters on it. Mana needed: 1
Steps
  1. Activate Pentavus' first ability by paying 1 and removing a +1/+1 counter from it, creating a 1/1 Pentavite creature token.
  2. The Pentavite enters the battlefield, triggering Cathars' Crusade, putting a +1/+1 counter on each creature you control.
  3. Activate Krark-Clan Ironworks by sacrificing the Pentavite, adding cc.
  4. Repeat.
Results
Infinite +1/+1 counters. Infinite colorless mana. Infinite creature tokens. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Top Commanders (3)
Rosie Cotton of South Lane
2.24% of 134 decks 3 decks
Zabaz, the Glimmerwasp
0.19% of 2135 decks 4 decks
Hamza, Guardian of Arashin
0.08% of 3543 decks 3 decks
High Synergy Cards (7)
Reckless Fireweaver
50% of 8 decks +48% synergy
Chaos Warp
62% of 8 decks +47% synergy
Hardened Scales
50% of 8 decks +46% synergy
Doubling Season
50% of 8 decks +46% synergy
Mondrak, Glory Dominus
50% of 16 decks +45% synergy
Anointed Procession
45% of 22 decks +41% synergy
Teshar, Ancestor's Apostle
41% of 22 decks +40% synergy
Top Cards (10)
Animation Module
64% of 22 decks +63% synergy
Ashnod's Altar
59% of 22 decks +51% synergy
Triskelavus
55% of 22 decks +55% synergy
Hangarback Walker
50% of 22 decks +49% synergy
Walking Ballista
50% of 22 decks +47% synergy
The Great Henge
50% of 8 decks +45% synergy
Generous Gift
45% of 22 decks +33% synergy
Skullclamp
45% of 22 decks +33% synergy
Triskelion
45% of 22 decks +45% synergy
Myr Retriever
45% of 22 decks +43% synergy
Creatures (50)
Arcbound Crusher
41% of 22 decks +41% synergy
Crystalline Crawler
41% of 22 decks +41% synergy
Conclave Mentor
38% of 8 decks +37% synergy
Goblin Engineer
38% of 8 decks +36% synergy
Evolution Sage
38% of 8 decks +34% synergy
Arcbound Shikari
38% of 8 decks +37% synergy
Thopter Squadron
36% of 22 decks +36% synergy
Scrapyard Recombiner
36% of 22 decks +36% synergy
Arcbound Ravager
36% of 22 decks +36% synergy
Steel Overseer
36% of 22 decks +35% synergy
Scrap Trawler
36% of 22 decks +34% synergy
Esper Sentinel
36% of 22 decks +27% synergy
Arcbound Worker
32% of 22 decks +32% synergy
Basri's Lieutenant
32% of 22 decks +31% synergy
Solemn Simulacrum
32% of 22 decks +17% synergy
Arcbound Mouser
27% of 22 decks +27% synergy
Arcbound Stinger
27% of 22 decks +27% synergy
Dross Scorpion
27% of 22 decks +27% synergy
Arcbound Reclaimer
27% of 22 decks +27% synergy
Oswald Fiddlebender
27% of 22 decks +26% synergy
Mentor of the Meek
27% of 22 decks +24% synergy
Filigree Vector
23% of 13 decks +22% synergy
Dusk Legion Duelist
23% of 13 decks +22% synergy
Workhorse
23% of 22 decks +23% synergy
Arcbound Prototype
23% of 22 decks +23% synergy
Workshop Assistant
23% of 22 decks +22% synergy
Kuldotha Forgemaster
23% of 22 decks +22% synergy
Heliod, Sun-Crowned
23% of 22 decks +21% synergy
Myr Battlesphere
23% of 22 decks +20% synergy
Foundry Inspector
23% of 22 decks +18% synergy
Extruder
18% of 22 decks +18% synergy
Twilight Drover
18% of 22 decks +18% synergy
Mindless Automaton
18% of 22 decks +18% synergy
Junk Diver
18% of 22 decks +17% synergy
Phyrexian Triniform
18% of 22 decks +17% synergy
Recruiter of the Guard
18% of 22 decks +17% synergy
Meteor Golem
18% of 22 decks +16% synergy
Academy Manufactor
18% of 22 decks +14% synergy
Canoptek Spyder
17% of 18 decks +16% synergy
Rumor Gatherer
15% of 20 decks +13% synergy
Antler Skulkin
14% of 22 decks +14% synergy
Etched Oracle
14% of 22 decks +14% synergy
Arcbound Hybrid
14% of 22 decks +14% synergy
Arcbound Javelineer
14% of 22 decks +14% synergy
Arcbound Slith
14% of 22 decks +13% synergy
Cryptic Trilobite
14% of 22 decks +13% synergy
Patchwork Automaton
14% of 22 decks +13% synergy
Skyscanner
14% of 22 decks +13% synergy
Eldrazi Displacer
14% of 22 decks +13% synergy
Memnite
14% of 22 decks +13% synergy
Instants (9)
Enlightened Tutor
41% of 22 decks +33% synergy
Swords to Plowshares
41% of 22 decks +12% synergy
Inspiring Call
38% of 8 decks +34% synergy
Heroic Intervention
38% of 8 decks +24% synergy
Path to Exile
32% of 22 decks +12% synergy
Flawless Maneuver
27% of 22 decks +23% synergy
Akroma's Will
23% of 22 decks +18% synergy
Teferi's Protection
23% of 22 decks +13% synergy
Return to Dust
14% of 22 decks +11% synergy
Sorceries (6)
Trash for Treasure
38% of 8 decks +37% synergy
Jeska's Will
38% of 8 decks +29% synergy
Nature's Lore
38% of 8 decks +23% synergy
Organic Extinction
19% of 21 decks +18% synergy
Farewell
14% of 21 decks +8% synergy
Austere Command
14% of 22 decks +8% synergy
Utility Artifacts (29)
Phyrexian Altar
41% of 22 decks +37% synergy
Blasting Station
36% of 22 decks +36% synergy
Trading Post
27% of 22 decks +26% synergy
The Ozolith
27% of 22 decks +24% synergy
Throne of Geth
23% of 22 decks +22% synergy
Nim Deathmantle
23% of 22 decks +22% synergy
Moonsilver Key
23% of 22 decks +21% synergy
Mystic Forge
23% of 22 decks +20% synergy
Blade of the Bloodchief
18% of 22 decks +18% synergy
Idol of Oblivion
18% of 22 decks +14% synergy
Wayfarer's Bauble
18% of 22 decks +7% synergy
Lightning Greaves
18% of 22 decks -7% synergy
Salvaging Station
14% of 22 decks +14% synergy
Myr Matrix
14% of 22 decks +13% synergy
Retrofitter Foundry
14% of 22 decks +13% synergy
Myr Turbine
14% of 22 decks +13% synergy
Cauldron of Souls
14% of 22 decks +13% synergy
Heartstone
14% of 22 decks +13% synergy
Genesis Chamber
14% of 22 decks +13% synergy
Mirrorworks
14% of 22 decks +13% synergy
Illusionist's Bracers
14% of 22 decks +12% synergy
Oketra's Monument
14% of 22 decks +12% synergy
Ichor Wellspring
14% of 22 decks +12% synergy
Cloud Key
14% of 22 decks +12% synergy
Staff of Domination
14% of 22 decks +12% synergy
Altar of Dementia
14% of 22 decks +11% synergy
Aetherflux Reservoir
14% of 22 decks +9% synergy
Panharmonicon
14% of 22 decks +9% synergy
Sensei's Divining Top
14% of 22 decks +7% synergy
Enchantments (10)
Ghirapur Aether Grid
38% of 8 decks +37% synergy
Branching Evolution
38% of 8 decks +36% synergy
Parallel Lives
38% of 8 decks +34% synergy
Smothering Tithe
23% of 22 decks +11% synergy
Skrelv's Hive
19% of 16 decks +17% synergy
Enduring Renewal
18% of 22 decks +18% synergy
Felidar Retreat
18% of 22 decks +15% synergy
Resourceful Defense
15% of 20 decks +14% synergy
Together Forever
14% of 22 decks +13% synergy
Monologue Tax
14% of 22 decks +13% synergy
Planeswalkers (1)
Daretti, Scrap Savant
38% of 8 decks +36% synergy
Utility Lands (20)
Great Furnace
75% of 8 decks +72% synergy
Gavony Township
50% of 8 decks +48% synergy
Ancient Den
50% of 22 decks +47% synergy
Darksteel Citadel
45% of 22 decks +41% synergy
Inventors' Fair
41% of 22 decks +37% synergy
Tree of Tales
38% of 8 decks +37% synergy
Sunhome, Fortress of the Legion
38% of 8 decks +36% synergy
Buried Ruin
36% of 22 decks +31% synergy
Reliquary Tower
36% of 22 decks +8% synergy
Urza's Saga
32% of 22 decks +25% synergy
Karn's Bastion
27% of 22 decks +22% synergy
Emeria, the Sky Ruin
23% of 22 decks +21% synergy
Phyrexia's Core
18% of 22 decks +18% synergy
Ancient Tomb
18% of 22 decks +7% synergy
Rogue's Passage
18% of 22 decks -0% synergy
Castle Ardenvale
14% of 22 decks +11% synergy
Treasure Vault
14% of 22 decks +11% synergy
Eiganjo, Seat of the Empire
14% of 22 decks +9% synergy
War Room
14% of 22 decks +7% synergy
Temple of the False God
14% of 22 decks +4% synergy
Mana Artifacts (11)
Sol Ring
77% of 22 decks -7% synergy
Talisman of Conviction
62% of 8 decks +58% synergy
Boros Signet
62% of 8 decks +57% synergy
Arcane Signet
55% of 22 decks -16% synergy
Mind Stone
27% of 22 decks +9% synergy
Mana Crypt
23% of 22 decks +11% synergy
Everflowing Chalice
18% of 22 decks +13% synergy
Liquimetal Torque
14% of 22 decks +10% synergy
Mox Opal
14% of 22 decks +9% synergy
Thought Vessel
14% of 22 decks -2% synergy
Fellwar Stone
14% of 22 decks -7% synergy
Lands (24)
Sacred Foundry
75% of 8 decks +67% synergy
Rustvale Bridge
62% of 8 decks +61% synergy
Temple Garden
62% of 8 decks +53% synergy
Command Tower
50% of 22 decks -23% synergy
Clifftop Retreat
50% of 8 decks +45% synergy
Needleverge Pathway
38% of 8 decks +35% synergy
Plateau
38% of 8 decks +35% synergy
Savannah
38% of 8 decks +35% synergy
Brushland
38% of 8 decks +35% synergy
Sunpetal Grove
38% of 8 decks +33% synergy
Battlefield Forge
38% of 8 decks +32% synergy
Spectator Seating
38% of 8 decks +32% synergy
Canopy Vista
38% of 8 decks +30% synergy
Spire of Industry
27% of 22 decks +24% synergy
The Mycosynth Gardens
27% of 15 decks +24% synergy
Power Depot
18% of 22 decks +17% synergy
Windswept Heath
18% of 22 decks +8% synergy
Arid Mesa
18% of 22 decks +7% synergy
Exotic Orchard
18% of 22 decks -16% synergy
Glimmervoid
14% of 22 decks +13% synergy
Krosan Verge
14% of 22 decks +11% synergy
Terramorphic Expanse
14% of 22 decks -2% synergy
Myriad Landscape
14% of 22 decks -7% synergy
Evolving Wilds
14% of 22 decks -8% synergy