Koll, the Forgemaster
Deathrender
Altar of Dementia
1

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
Deahrender attached to another nontoken creature you control.

   Steps

How does this combo work?
1
Activate Altar of Dementia by sacrificing the creature with Deathrender attached.
2
When the creature dies, Koll and Deathrender trigger.
3
Resolve the Koll trigger, returning the creature from your graveyard to your hand.
4
Resolve the Deathrender trigger, putting the creature from your hand onto the battlefield and attaching Deathrender to it.
5
Resolve the Altar of Dementia ability from step 1, causing a player to mill cards equal to the creature's power.
6
Repeat.

   Results

What do I get from this combo?
Infinite death triggers
Infinite ETB
Infinite LTB
Infinite mill
Infinite sacrifice triggers
Infinite self-mill
Top Commanders
Koll, the Forgemaster
6.92% of 1287 decks 89 decks
Cass, Hand of Vengeance
1.20% of 251 decks 3 decks
Dogmeat, Ever Loyal
0.02% of 6157 decks 1 decks
Ardenn, Intrepid Archaeologist // Rograkh, Son of Rohgahh
0.02% of 6360 decks 1 decks
New Cards
Shocking Sharpshooter
20% of 5 decks +19% synergy
High Synergy Cards
Rograkh, Son of Rohgahh
94% of 94 decks +93% synergy
Goblin Bombardment
98% of 94 decks +92% synergy
Ornithopter
93% of 94 decks +91% synergy
Shuko
89% of 94 decks +89% synergy
Sai of the Shinobi
87% of 94 decks +87% synergy
Memnite
85% of 94 decks +84% synergy
Grafted Wargear
84% of 94 decks +84% synergy
Stormrider Rig
80% of 94 decks +80% synergy
Crookshank Kobolds
80% of 94 decks +80% synergy
Impulsive Pilferer
81% of 94 decks +79% synergy
Top Cards
Skullclamp
89% of 94 decks +78% synergy
Impact Tremors
83% of 94 decks +73% synergy
Lightning Greaves
83% of 94 decks +58% synergy
Open the Armory
80% of 94 decks +75% synergy
Crimson Kobolds
79% of 94 decks +78% synergy
Blasting Station
79% of 94 decks +78% synergy
Puresteel Paladin
79% of 94 decks +75% synergy
Skirk Prospector
77% of 94 decks +74% synergy
Ashnod's Altar
77% of 94 decks +69% synergy
Myr Moonvessel
74% of 94 decks +74% synergy
Game Changers
Enlightened Tutor
53% of 94 decks +36% synergy
Gamble
29% of 94 decks +19% synergy
Jeska's Will
22% of 94 decks +6% synergy
Deflecting Swat
20% of 94 decks +4% synergy
Ancient Tomb
17% of 94 decks +7% synergy
Mox Diamond
9% of 94 decks +4% synergy
Drannith Magistrate
9% of 94 decks +3% synergy
Underworld Breach
7% of 94 decks +2% synergy
Chrome Mox
6% of 94 decks +0% synergy
Grim Monolith
5% of 94 decks +3% synergy
Creatures
Kobolds of Kher Keep
72% of 94 decks +72% synergy
Stone Haven Outfitter
70% of 94 decks +70% synergy
Phyrexian Walker
69% of 94 decks +69% synergy
Auriok Steelshaper
56% of 94 decks +56% synergy
Sram, Senior Edificer
55% of 94 decks +49% synergy
Birgi, God of Storytelling
51% of 94 decks +46% synergy
Reckless Barbarian
50% of 94 decks +49% synergy
Kellan, the Fae-Blooded
48% of 77 decks +46% synergy
Stoneforge Mystic
47% of 94 decks +44% synergy
Imperial Recruiter
46% of 94 decks +40% synergy
Priest of Urabrask
43% of 94 decks +42% synergy
Shield Sphere
38% of 94 decks +38% synergy
Witty Roastmaster
38% of 94 decks +35% synergy
Fervent Champion
37% of 94 decks +37% synergy
Cathodion
35% of 94 decks +35% synergy
Mogg Fanatic
34% of 94 decks +34% synergy
Esper Sentinel
34% of 94 decks +14% synergy
Goblin Engineer
32% of 94 decks +29% synergy
Relic Seeker
31% of 94 decks +30% synergy
Ranger-Captain of Eos
31% of 94 decks +26% synergy
Molten Gatekeeper
31% of 39 decks +28% synergy
Akki Ember-Keeper
27% of 94 decks +27% synergy
Thermopod
27% of 94 decks +26% synergy
Oswald Fiddlebender
27% of 94 decks +25% synergy
Goblin Matron
24% of 94 decks +22% synergy
Grand Abolisher
24% of 94 decks +15% synergy
Recruiter of the Guard
20% of 94 decks +17% synergy
Agate Instigator
20% of 35 decks +17% synergy
Runaway Steam-Kin
19% of 94 decks +17% synergy
Simian Spirit Guide
18% of 94 decks +13% synergy
Akiri, Fearless Voyager
17% of 94 decks +14% synergy
Mentor of the Meek
17% of 94 decks +11% synergy
Bureau Headmaster
16% of 37 decks +14% synergy
Éowyn, Lady of Rohan
15% of 87 decks +14% synergy
Danitha Capashen, Paragon
15% of 94 decks +11% synergy
Restoration Specialist
14% of 94 decks +14% synergy
Fanatical Firebrand
14% of 94 decks +14% synergy
Ranger of Eos
13% of 94 decks +12% synergy
Taj-Nar Swordsmith
12% of 94 decks +12% synergy
Cathar Commando
12% of 94 decks +9% synergy
Purphoros, God of the Forge
12% of 94 decks +7% synergy
Dockside Extortionist
12% of 94 decks +4% synergy
Bladegraft Aspirant
10% of 94 decks +9% synergy
Astor, Bearer of Blades
10% of 94 decks +8% synergy
Fireblade Charger
9% of 94 decks +8% synergy
Flamescroll Celebrant
9% of 94 decks +8% synergy
Halvar, God of Battle
9% of 94 decks +7% synergy
Myr Retriever
9% of 94 decks +7% synergy
Bruenor Battlehammer
9% of 94 decks +6% synergy
Goblin Welder
7% of 94 decks +5% synergy
Instants
Swords to Plowshares
66% of 94 decks +3% synergy
Path to Exile
55% of 94 decks +9% synergy
Silence
30% of 94 decks +24% synergy
Generous Gift
28% of 94 decks +3% synergy
Wear // Tear
27% of 94 decks +19% synergy
Boros Charm
26% of 94 decks +1% synergy
Chaos Warp
26% of 94 decks -6% synergy
Thrill of Possibility
24% of 94 decks +15% synergy
Abrade
21% of 94 decks +10% synergy
Pyroblast
19% of 94 decks +13% synergy
Dispatch
17% of 94 decks +12% synergy
Red Elemental Blast
17% of 94 decks +11% synergy
Teferi's Protection
17% of 94 decks -2% synergy
Mana Tithe
15% of 94 decks +13% synergy
Rebuff the Wicked
13% of 94 decks +11% synergy
Untimely Malfunction
12% of 33 decks +5% synergy
Tibalt's Trickery
12% of 94 decks +7% synergy
Pyretic Ritual
10% of 94 decks +7% synergy
Disenchant
10% of 94 decks +6% synergy
Valakut Awakening
10% of 94 decks +4% synergy
Seething Song
10% of 94 decks +4% synergy
Stroke of Midnight
9% of 77 decks -1% synergy
Flare of Duplication
8% of 40 decks +5% synergy
Angel's Grace
7% of 94 decks +6% synergy
Reprieve
7% of 94 decks +3% synergy
Lightning Bolt
7% of 94 decks -3% synergy
Desperate Ritual
6% of 94 decks +4% synergy
Flawless Maneuver
6% of 94 decks -4% synergy
Calamity's Wake
5% of 94 decks +5% synergy
Blacksmith's Skill
5% of 94 decks +4% synergy
Surge of Salvation
5% of 94 decks +3% synergy
Deflecting Palm
5% of 94 decks +0% synergy
Sorceries
Steelshaper's Gift
62% of 94 decks +59% synergy
Grapeshot
45% of 94 decks +41% synergy
Faithless Looting
36% of 94 decks +20% synergy
Reckless Handling
30% of 94 decks +28% synergy
Blasphemous Act
29% of 94 decks -5% synergy
Idyllic Tutor
28% of 94 decks +23% synergy
Sevinne's Reclamation
21% of 94 decks +14% synergy
Cathartic Reunion
18% of 94 decks +15% synergy
Rip Apart
16% of 94 decks +13% synergy
Infernal Plunge
14% of 94 decks +13% synergy
Vandalblast
14% of 94 decks -2% synergy
Recommission
12% of 94 decks +11% synergy
Thrilling Discovery
10% of 94 decks +8% synergy
Tormenting Voice
10% of 94 decks +7% synergy
Wrath of God
10% of 94 decks +4% synergy
Wheel of Misfortune
6% of 94 decks +3% synergy
Wheel of Fortune
6% of 94 decks +2% synergy
Patch Up
5% of 94 decks +5% synergy
Seize the Spoils
5% of 94 decks +2% synergy
Rite of Flame
5% of 94 decks +2% synergy
Austere Command
5% of 94 decks -7% synergy
Utility Artifacts
Ronin Warclub
65% of 94 decks +65% synergy
Phyrexian Altar
48% of 94 decks +44% synergy
Altar of the Brood
46% of 94 decks +45% synergy
Swiftfoot Boots
43% of 94 decks +15% synergy
Mask of Immolation
41% of 94 decks +41% synergy
Mortarpod
39% of 94 decks +39% synergy
Umbral Mantle
38% of 94 decks +37% synergy
Bladehold War-Whip
31% of 94 decks +29% synergy
Demonmail Hauberk
26% of 94 decks +25% synergy
Lotus Ring
26% of 47 decks +25% synergy
Aetherflux Reservoir
23% of 94 decks +20% synergy
Lotus Petal
22% of 94 decks +16% synergy
Mind Stone
21% of 94 decks +5% synergy
Spawning Pit
20% of 94 decks +20% synergy
Plate Armor
18% of 94 decks +18% synergy
Conqueror's Flail
18% of 94 decks +17% synergy
Forebear's Blade
13% of 94 decks +13% synergy
Sunforger
13% of 94 decks +8% synergy
Masterwork of Ingenuity
12% of 94 decks +11% synergy
Sword of the Animist
12% of 94 decks +7% synergy
Hero's Blade
11% of 94 decks +10% synergy
Grinding Station
9% of 94 decks +8% synergy
Explorer's Scope
7% of 94 decks +7% synergy
Goldvein Pick
7% of 94 decks +7% synergy
Bontu's Monument
7% of 94 decks +5% synergy
The One Ring
7% of 94 decks -1% synergy
Bone Saw
6% of 94 decks +6% synergy
Moonsilver Key
6% of 94 decks +5% synergy
Krark-Clan Ironworks
5% of 94 decks +4% synergy
Mask of Memory
5% of 94 decks +4% synergy
Enchantments
Fighter Class
66% of 94 decks +62% synergy
Sigarda's Aid
33% of 94 decks +30% synergy
Forging the Tyrite Sword
29% of 94 decks +28% synergy
Warleader's Call
27% of 60 decks +18% synergy
Outpost Siege
27% of 94 decks +25% synergy
Quest for the Holy Relic
19% of 94 decks +19% synergy
Martyr's Cause
19% of 94 decks +19% synergy
Fanatical Devotion
19% of 94 decks +18% synergy
Enduring Renewal
18% of 94 decks +18% synergy
Forge Anew
16% of 88 decks +14% synergy
Smothering Tithe
15% of 94 decks -9% synergy
Betrothed of Fire
6% of 94 decks +6% synergy
Darksteel Mutation
6% of 94 decks +1% synergy
Land Tax
6% of 94 decks -0% synergy
Gift of Immortality
5% of 94 decks +3% synergy
Mantle of the Ancients
5% of 94 decks +3% synergy
Planeswalkers
Nahiri, Storm of Stone
14% of 94 decks +14% synergy
Utility Lands
Buried Ruin
44% of 94 decks +39% synergy
Axgard Armory
36% of 94 decks +34% synergy
Great Furnace
34% of 94 decks +29% synergy
Ancient Den
33% of 94 decks +28% synergy
Urza's Saga
30% of 94 decks +23% synergy
Inventors' Fair
24% of 94 decks +21% synergy
Reliquary Tower
15% of 94 decks -15% synergy
Eiganjo, Seat of the Empire
10% of 94 decks +2% synergy
War Room
9% of 94 decks +2% synergy
Darksteel Citadel
7% of 94 decks +4% synergy
Mana Artifacts
Sol Ring
86% of 94 decks +2% synergy
Arcane Signet
80% of 94 decks +8% synergy
Talisman of Conviction
50% of 94 decks +26% synergy
Boros Signet
43% of 94 decks +20% synergy
Paradise Mantle
32% of 94 decks +31% synergy
Fellwar Stone
29% of 94 decks +8% synergy
Springleaf Drum
23% of 94 decks +21% synergy
Mox Opal
22% of 94 decks +18% synergy
Mox Amber
14% of 94 decks +10% synergy
Thought Vessel
14% of 94 decks -3% synergy
Mana Crypt
10% of 94 decks +4% synergy
Mana Vault
6% of 94 decks +0% synergy
Lands
Command Tower
91% of 94 decks +17% synergy
Battlefield Forge
61% of 94 decks +34% synergy
Sacred Foundry
51% of 94 decks +16% synergy
Spectator Seating
50% of 94 decks +25% synergy
Clifftop Retreat
48% of 94 decks +17% synergy
Arid Mesa
35% of 94 decks +25% synergy
Rugged Prairie
34% of 94 decks +23% synergy
Furycalm Snarl
33% of 94 decks +19% synergy
Needleverge Pathway
28% of 94 decks +19% synergy
Sunbaked Canyon
22% of 94 decks +18% synergy
Sundown Pass
22% of 94 decks +7% synergy
Temple of Triumph
20% of 94 decks +3% synergy
Plateau
19% of 94 decks +7% synergy
Exotic Orchard
19% of 94 decks -17% synergy
Spire of Industry
18% of 94 decks +15% synergy
City of Brass
16% of 94 decks +8% synergy
Boros Garrison
16% of 94 decks +2% synergy
Mana Confluence
13% of 94 decks +6% synergy
Evolving Wilds
11% of 94 decks -10% synergy
Inspiring Vantage
10% of 94 decks +5% synergy
Gemstone Caverns
10% of 94 decks +5% synergy
Rustvale Bridge
10% of 94 decks +5% synergy
Sunscorched Divide
9% of 56 decks +3% synergy
Terramorphic Expanse
9% of 94 decks -7% synergy
Wind-Scarred Crag
7% of 94 decks +1% synergy
Wooded Foothills
7% of 94 decks -3% synergy
Flooded Strand
7% of 94 decks -3% synergy
Marsh Flats
7% of 94 decks -4% synergy
Myriad Landscape
7% of 94 decks -11% synergy
Elegant Parlor
7% of 60 decks -1% synergy
Alpine Meadow
6% of 94 decks +4% synergy
Fabled Passage
6% of 94 decks -3% synergy
Windswept Heath
6% of 94 decks -4% synergy
Bloodstained Mire
6% of 94 decks -4% synergy
Scalding Tarn
6% of 94 decks -4% synergy
Prismatic Vista
5% of 94 decks +0% synergy