Koll, the Forgemaster
Deathrender
Altar of Dementia

   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
Koll, the Forgemaster
6.1%inclusion70 decks1.16K decks
Cass, Hand of Vengeance
1.3%inclusion5 decks374 decks
Mog, Moogle Warrior
0.0%inclusion1 decks2.53K decks
Lightning, Army of One
0.0%inclusion1 decks10.9K decks
Dogmeat, Ever Loyal
0.0%inclusion1 decks8.88K decks
Ardenn, Intrepid Archaeologist // Rograkh, Son of Rohgahh
0.0%inclusion1 decks7.66K decks
New Cards
Raphael, Tough Turtle
13%inclusion1 decks8 decks
12%synergy
Ravenous Robots
8.3%inclusion1 decks12 decks
8%synergy
Slash, Reptile Rampager
8.3%inclusion1 decks12 decks
8%synergy
High Synergy Cards
Rograkh, Son of Rohgahh
91%inclusion72 decks79 decks
90%synergy
Goblin Bombardment
95%inclusion75 decks79 decks
89%synergy
Ornithopter
86%inclusion68 decks79 decks
84%synergy
Shuko
82%inclusion65 decks79 decks
82%synergy
Memnite
82%inclusion65 decks79 decks
82%synergy
Sai of the Shinobi
80%inclusion63 decks79 decks
80%synergy
Grafted Wargear
77%inclusion61 decks79 decks
77%synergy
Skullclamp
87%inclusion69 decks79 decks
76%synergy
Crookshank Kobolds
76%inclusion60 decks79 decks
76%synergy
Blasting Station
76%inclusion60 decks79 decks
75%synergy
Top Cards
Lightning Greaves
84%inclusion66 decks79 decks
59%synergy
Impact Tremors
81%inclusion64 decks79 decks
71%synergy
Open the Armory
80%inclusion63 decks79 decks
75%synergy
Puresteel Paladin
80%inclusion63 decks79 decks
75%synergy
Crimson Kobolds
73%inclusion58 decks79 decks
73%synergy
Stormrider Rig
72%inclusion57 decks79 decks
72%synergy
Impulsive Pilferer
72%inclusion57 decks79 decks
70%synergy
Ashnod's Altar
72%inclusion57 decks79 decks
66%synergy
Kobolds of Kher Keep
71%inclusion56 decks79 decks
71%synergy
Skirk Prospector
71%inclusion56 decks79 decks
69%synergy
Game Changers
Enlightened Tutor
54%inclusion43 decks79 decks
39%synergy
Gamble
32%inclusion25 decks79 decks
23%synergy
Jeska's Will
19%inclusion15 decks79 decks
4%synergy
Ancient Tomb
18%inclusion14 decks79 decks
8%synergy
The One Ring
10%inclusion8 decks79 decks
2%synergy
Drannith Magistrate
8.9%inclusion7 decks79 decks
4%synergy
Chrome Mox
6.3%inclusion5 decks79 decks
1%synergy
Underworld Breach
6.3%inclusion5 decks79 decks
0%synergy
Mox Diamond
5.1%inclusion4 decks79 decks
1%synergy
Mana Vault
5.1%inclusion4 decks79 decks
-1%synergy
Creatures
Myr Moonvessel
68%inclusion54 decks79 decks
68%synergy
Stone Haven Outfitter
67%inclusion53 decks79 decks
67%synergy
Phyrexian Walker
66%inclusion52 decks79 decks
65%synergy
Stoneforge Mystic
59%inclusion47 decks79 decks
57%synergy
Reckless Barbarian
52%inclusion41 decks79 decks
51%synergy
Sram, Senior Edificer
52%inclusion41 decks79 decks
46%synergy
Auriok Steelshaper
49%inclusion39 decks79 decks
49%synergy
Imperial Recruiter
47%inclusion37 decks79 decks
42%synergy
Kellan, the Fae-Blooded
44%inclusion35 decks79 decks
42%synergy
Shield Sphere
42%inclusion33 decks79 decks
41%synergy
Birgi, God of Storytelling
41%inclusion32 decks79 decks
35%synergy
Ranger-Captain of Eos
38%inclusion30 decks79 decks
34%synergy
Esper Sentinel
38%inclusion30 decks79 decks
19%synergy
Fervent Champion
37%inclusion29 decks79 decks
36%synergy
Recruiter of the Guard
35%inclusion28 decks79 decks
33%synergy
Priest of Urabrask
34%inclusion27 decks79 decks
34%synergy
Goblin Engineer
34%inclusion27 decks79 decks
31%synergy
Grand Abolisher
34%inclusion27 decks79 decks
25%synergy
Witty Roastmaster
32%inclusion25 decks79 decks
29%synergy
Mogg Fanatic
30%inclusion24 decks79 decks
30%synergy
Molten Gatekeeper
26%inclusion19 decks73 decks
23%synergy
Bureau Headmaster
25%inclusion18 decks71 decks
23%synergy
Oswald Fiddlebender
25%inclusion20 decks79 decks
24%synergy
Agate Instigator
25%inclusion17 decks69 decks
22%synergy
Cathodion
23%inclusion18 decks79 decks
23%synergy
Relic Seeker
23%inclusion18 decks79 decks
23%synergy
Cloud, Midgar Mercenary
21%inclusion7 decks34 decks
18%synergy
Thermopod
20%inclusion16 decks79 decks
20%synergy
Voice of Victory
19%inclusion8 decks43 decks
12%synergy
Fanatical Firebrand
18%inclusion14 decks79 decks
17%synergy
Simian Spirit Guide
16%inclusion13 decks79 decks
11%synergy
Weftstalker Ardent
15%inclusion4 decks26 decks
12%synergy
Akki Ember-Keeper
15%inclusion12 decks79 decks
15%synergy
Shocking Sharpshooter
15%inclusion6 decks41 decks
14%synergy
Goblin Matron
14%inclusion11 decks79 decks
12%synergy
Akiri, Fearless Voyager
14%inclusion11 decks79 decks
11%synergy
Restoration Specialist
13%inclusion10 decks79 decks
13%synergy
Danitha Capashen, Paragon
13%inclusion10 decks79 decks
9%synergy
Starfield Shepherd
12%inclusion3 decks26 decks
10%synergy
Halvar, God of Battle
11%inclusion9 decks79 decks
10%synergy
Goblin Welder
11%inclusion9 decks79 decks
9%synergy
Cathar Commando
11%inclusion9 decks79 decks
9%synergy
Purphoros, God of the Forge
11%inclusion9 decks79 decks
7%synergy
Foundry Inspector
11%inclusion9 decks79 decks
7%synergy
Runaway Steam-Kin
10%inclusion8 decks79 decks
8%synergy
Hissing Iguanar
8.9%inclusion7 decks79 decks
9%synergy
Ranger of Eos
8.9%inclusion7 decks79 decks
9%synergy
Wyleth, Soul of Steel
8.9%inclusion7 decks79 decks
8%synergy
Astor, Bearer of Blades
8.9%inclusion7 decks79 decks
7%synergy
Mentor of the Meek
8.9%inclusion7 decks79 decks
4%synergy
Instants
Swords to Plowshares
56%inclusion44 decks79 decks
-5%synergy
Path to Exile
51%inclusion40 decks79 decks
3%synergy
Silence
39%inclusion31 decks79 decks
33%synergy
Red Elemental Blast
28%inclusion22 decks79 decks
22%synergy
Generous Gift
27%inclusion21 decks79 decks
5%synergy
Boros Charm
27%inclusion21 decks79 decks
4%synergy
Pyroblast
25%inclusion20 decks79 decks
20%synergy
Deflecting Swat
25%inclusion20 decks79 decks
8%synergy
Wear // Tear
23%inclusion18 decks79 decks
16%synergy
Chaos Warp
23%inclusion18 decks79 decks
-7%synergy
Abrade
20%inclusion16 decks79 decks
9%synergy
Thrill of Possibility
18%inclusion14 decks79 decks
8%synergy
Dispatch
15%inclusion12 decks79 decks
9%synergy
Mana Tithe
14%inclusion11 decks79 decks
12%synergy
Reprieve
14%inclusion11 decks79 decks
10%synergy
Teferi's Protection
14%inclusion11 decks79 decks
-2%synergy
Tibalt's Trickery
13%inclusion10 decks79 decks
8%synergy
Untimely Malfunction
11%inclusion7 decks65 decks
3%synergy
Rebuff the Wicked
10%inclusion8 decks79 decks
8%synergy
Flawless Maneuver
8.9%inclusion7 decks79 decks
-2%synergy
Lightning Bolt
8.9%inclusion7 decks79 decks
-2%synergy
Blacksmith's Skill
7.6%inclusion6 decks79 decks
6%synergy
Deflecting Palm
7.6%inclusion6 decks79 decks
2%synergy
Seething Song
7.6%inclusion6 decks79 decks
1%synergy
Stroke of Midnight
7.6%inclusion6 decks79 decks
-3%synergy
Angel's Grace
6.3%inclusion5 decks79 decks
5%synergy
Disenchant
6.3%inclusion5 decks79 decks
3%synergy
Valakut Awakening
6.3%inclusion5 decks79 decks
1%synergy
Dawn's Truce
5.7%inclusion4 decks70 decks
-1%synergy
Flare of Duplication
5.4%inclusion4 decks74 decks
3%synergy
Calamity's Wake
5.1%inclusion4 decks79 decks
5%synergy
Orim's Chant
5.1%inclusion4 decks79 decks
4%synergy
Inventory Management
5.1%inclusion4 decks79 decks
3%synergy
Pyretic Ritual
5.1%inclusion4 decks79 decks
2%synergy
Sorceries
Steelshaper's Gift
67%inclusion53 decks79 decks
64%synergy
Grapeshot
39%inclusion31 decks79 decks
35%synergy
Idyllic Tutor
27%inclusion21 decks79 decks
23%synergy
Reckless Handling
25%inclusion20 decks79 decks
24%synergy
Faithless Looting
25%inclusion20 decks79 decks
10%synergy
Blasphemous Act
24%inclusion19 decks79 decks
-9%synergy
Sevinne's Reclamation
16%inclusion13 decks79 decks
9%synergy
Infernal Plunge
11%inclusion9 decks79 decks
10%synergy
Rip Apart
11%inclusion9 decks79 decks
9%synergy
Cathartic Reunion
10%inclusion8 decks79 decks
7%synergy
Recommission
8.9%inclusion7 decks79 decks
8%synergy
Thrilling Discovery
8.9%inclusion7 decks79 decks
7%synergy
Wrath of God
8.9%inclusion7 decks79 decks
4%synergy
Vandalblast
7.6%inclusion6 decks79 decks
-8%synergy
Tormenting Voice
6.3%inclusion5 decks79 decks
4%synergy
Wheel of Fortune
6.3%inclusion5 decks79 decks
2%synergy
Seize the Spoils
5.1%inclusion4 decks79 decks
2%synergy
Utility Artifacts
Ronin Warclub
58%inclusion46 decks79 decks
58%synergy
Phyrexian Altar
51%inclusion40 decks79 decks
47%synergy
Altar of the Brood
47%inclusion37 decks79 decks
46%synergy
Swiftfoot Boots
42%inclusion33 decks79 decks
15%synergy
Umbral Mantle
41%inclusion32 decks79 decks
40%synergy
Mortarpod
37%inclusion29 decks79 decks
37%synergy
Mask of Immolation
34%inclusion27 decks79 decks
34%synergy
Demonmail Hauberk
29%inclusion23 decks79 decks
29%synergy
Conqueror's Flail
23%inclusion18 decks79 decks
22%synergy
Aetherflux Reservoir
23%inclusion18 decks79 decks
20%synergy
Lotus Ring
22%inclusion17 decks79 decks
21%synergy
Bladehold War-Whip
20%inclusion16 decks79 decks
19%synergy
Spawning Pit
18%inclusion14 decks79 decks
17%synergy
Plate Armor
15%inclusion12 decks79 decks
15%synergy
Masterwork of Ingenuity
14%inclusion11 decks79 decks
13%synergy
Sunforger
14%inclusion11 decks79 decks
10%synergy
Forebear's Blade
10%inclusion8 decks79 decks
10%synergy
Bone Saw
10%inclusion8 decks79 decks
10%synergy
Hero's Blade
10%inclusion8 decks79 decks
9%synergy
Sword of the Animist
10%inclusion8 decks79 decks
6%synergy
Grinding Station
8.9%inclusion7 decks79 decks
8%synergy
Moonsilver Key
7.6%inclusion6 decks79 decks
7%synergy
Mask of Memory
7.6%inclusion6 decks79 decks
6%synergy
Colossus Hammer
7.6%inclusion6 decks79 decks
6%synergy
Mithril Coat
7.6%inclusion6 decks79 decks
3%synergy
Bontu's Monument
6.3%inclusion5 decks79 decks
4%synergy
Genesis Chamber
5.1%inclusion4 decks79 decks
4%synergy
Explorer's Scope
5.1%inclusion4 decks79 decks
4%synergy
Lavaspur Boots
5.1%inclusion4 decks79 decks
4%synergy
Sword of Hearth and Home
5.1%inclusion4 decks79 decks
3%synergy
Shadowspear
5.1%inclusion4 decks79 decks
2%synergy
Enchantments
Fighter Class
63%inclusion50 decks79 decks
60%synergy
Sigarda's Aid
33%inclusion26 decks79 decks
29%synergy
Warleader's Call
28%inclusion22 decks79 decks
21%synergy
Quest for the Holy Relic
23%inclusion18 decks79 decks
23%synergy
Fanatical Devotion
23%inclusion18 decks79 decks
22%synergy
Forging the Tyrite Sword
19%inclusion15 decks79 decks
18%synergy
Outpost Siege
19%inclusion15 decks79 decks
17%synergy
Enduring Renewal
18%inclusion14 decks79 decks
18%synergy
Martyr's Cause
18%inclusion14 decks79 decks
17%synergy
Forge Anew
13%inclusion10 decks79 decks
10%synergy
Smothering Tithe
13%inclusion10 decks79 decks
-8%synergy
Gift of Immortality
8.9%inclusion7 decks79 decks
7%synergy
Betrothed of Fire
7.6%inclusion6 decks79 decks
8%synergy
Murder Investigation
7.6%inclusion6 decks79 decks
7%synergy
Mantle of the Ancients
7.6%inclusion6 decks79 decks
5%synergy
Land Tax
7.6%inclusion6 decks79 decks
1%synergy
Cartouche of Solidarity
6.3%inclusion5 decks79 decks
6%synergy
Valor of the Worthy
5.1%inclusion4 decks79 decks
5%synergy
Griffin Guide
5.1%inclusion4 decks79 decks
5%synergy
Nurturing Presence
5.1%inclusion4 decks79 decks
5%synergy
Darksteel Mutation
5.1%inclusion4 decks79 decks
0%synergy
Planeswalkers
Nahiri, Storm of Stone
8.9%inclusion7 decks79 decks
9%synergy
Utility Lands
Buried Ruin
42%inclusion33 decks79 decks
37%synergy
Urza's Saga
39%inclusion31 decks79 decks
32%synergy
Great Furnace
37%inclusion29 decks79 decks
31%synergy
Inventors' Fair
35%inclusion28 decks79 decks
32%synergy
Ancient Den
35%inclusion28 decks79 decks
30%synergy
Axgard Armory
34%inclusion27 decks79 decks
32%synergy
Reliquary Tower
24%inclusion19 decks79 decks
-6%synergy
War Room
10%inclusion8 decks79 decks
4%synergy
Darksteel Citadel
7.6%inclusion6 decks79 decks
4%synergy
Hall of Heliod's Generosity
6.3%inclusion5 decks79 decks
0%synergy
Eiganjo, Seat of the Empire
6.3%inclusion5 decks79 decks
-1%synergy
Kher Keep
5.1%inclusion4 decks79 decks
3%synergy
Secluded Steppe
5.1%inclusion4 decks79 decks
3%synergy
High Market
5.1%inclusion4 decks79 decks
2%synergy
Command Beacon
5.1%inclusion4 decks79 decks
0%synergy
Temple of the False God
5.1%inclusion4 decks79 decks
-4%synergy
Rogue's Passage
5.1%inclusion4 decks79 decks
-15%synergy
Mana Artifacts
Sol Ring
82%inclusion65 decks79 decks
-1%synergy
Arcane Signet
71%inclusion56 decks79 decks
-1%synergy
Talisman of Conviction
42%inclusion33 decks79 decks
18%synergy
Boros Signet
35%inclusion28 decks79 decks
17%synergy
Paradise Mantle
33%inclusion26 decks79 decks
32%synergy
Fellwar Stone
28%inclusion22 decks79 decks
7%synergy
Mox Opal
20%inclusion16 decks79 decks
16%synergy
Lotus Petal
20%inclusion16 decks79 decks
13%synergy
Mox Amber
15%inclusion12 decks79 decks
11%synergy
Thought Vessel
15%inclusion12 decks79 decks
-2%synergy
Springleaf Drum
14%inclusion11 decks79 decks
12%synergy
Mind Stone
14%inclusion11 decks79 decks
0%synergy
Liquimetal Torque
5.1%inclusion4 decks79 decks
2%synergy
Commander's Sphere
5.1%inclusion4 decks79 decks
-7%synergy
Lands
Command Tower
87%inclusion69 decks79 decks
13%synergy
Battlefield Forge
65%inclusion51 decks79 decks
36%synergy
Clifftop Retreat
59%inclusion47 decks79 decks
24%synergy
Sacred Foundry
59%inclusion47 decks79 decks
23%synergy
Spectator Seating
52%inclusion41 decks79 decks
29%synergy
Arid Mesa
44%inclusion35 decks79 decks
34%synergy
Rugged Prairie
42%inclusion33 decks79 decks
27%synergy
Furycalm Snarl
33%inclusion26 decks79 decks
19%synergy
Sunbaked Canyon
27%inclusion21 decks79 decks
22%synergy
Needleverge Pathway
27%inclusion21 decks79 decks
19%synergy
Temple of Triumph
27%inclusion21 decks79 decks
11%synergy
Sundown Pass
24%inclusion19 decks79 decks
9%synergy
Plateau
20%inclusion16 decks79 decks
8%synergy
Spire of Industry
19%inclusion15 decks79 decks
16%synergy
Exotic Orchard
18%inclusion14 decks79 decks
-19%synergy
City of Brass
16%inclusion13 decks79 decks
9%synergy
Inspiring Vantage
15%inclusion12 decks79 decks
11%synergy
Rustvale Bridge
15%inclusion12 decks79 decks
10%synergy
Boros Garrison
15%inclusion12 decks79 decks
3%synergy
Sunscorched Divide
13%inclusion10 decks79 decks
6%synergy
Sunbillow Verge
12%inclusion6 decks50 decks
4%synergy
Mana Confluence
11%inclusion9 decks79 decks
4%synergy
Wooded Foothills
10%inclusion8 decks79 decks
-1%synergy
Windswept Heath
10%inclusion8 decks79 decks
-1%synergy
Evolving Wilds
10%inclusion8 decks79 decks
-11%synergy
Gemstone Caverns
8.9%inclusion7 decks79 decks
4%synergy
Bloodstained Mire
8.9%inclusion7 decks79 decks
-2%synergy
Flooded Strand
8.9%inclusion7 decks79 decks
-3%synergy
Elegant Parlor
7.6%inclusion6 decks79 decks
0%synergy
Fabled Passage
7.6%inclusion6 decks79 decks
-2%synergy
Marsh Flats
7.6%inclusion6 decks79 decks
-3%synergy
Scalding Tarn
7.6%inclusion6 decks79 decks
-3%synergy
Alpine Meadow
6.3%inclusion5 decks79 decks
5%synergy
Prismatic Vista
6.3%inclusion5 decks79 decks
2%synergy
Terramorphic Expanse
6.3%inclusion5 decks79 decks
-8%synergy
Boros Guildgate
5.1%inclusion4 decks79 decks
1%synergy
Path of Ancestry
5.1%inclusion4 decks79 decks
-17%synergy