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
6.0%inclusion69 decks1.15K decks
Cass, Hand of Vengeance
1.3%inclusion5 decks392 decks
Mog, Moogle Warrior
0.0%inclusion1 decks2.40K decks
Lightning, Army of One
0.0%inclusion1 decks10.4K decks
Dogmeat, Ever Loyal
0.0%inclusion1 decks9.07K decks
Ardenn, Intrepid Archaeologist // Rograkh, Son of Rohgahh
0.0%inclusion1 decks7.56K decks
High Synergy Cards
Rograkh, Son of Rohgahh
91%inclusion71 decks78 decks
90%synergy
Goblin Bombardment
95%inclusion74 decks78 decks
89%synergy
Ornithopter
87%inclusion68 decks78 decks
85%synergy
Shuko
82%inclusion64 decks78 decks
82%synergy
Memnite
82%inclusion64 decks78 decks
81%synergy
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81%inclusion63 decks78 decks
81%synergy
Skullclamp
90%inclusion70 decks78 decks
79%synergy
Grafted Wargear
77%inclusion60 decks78 decks
77%synergy
Open the Armory
81%inclusion63 decks78 decks
76%synergy
Blasting Station
76%inclusion59 decks78 decks
75%synergy
Top Cards
Lightning Greaves
81%inclusion63 decks78 decks
56%synergy
Impact Tremors
79%inclusion62 decks78 decks
70%synergy
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78%inclusion61 decks78 decks
74%synergy
Stormrider Rig
74%inclusion58 decks78 decks
74%synergy
Crookshank Kobolds
74%inclusion58 decks78 decks
74%synergy
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74%inclusion58 decks78 decks
72%synergy
Crimson Kobolds
73%inclusion57 decks78 decks
73%synergy
Ashnod's Altar
73%inclusion57 decks78 decks
67%synergy
Skirk Prospector
72%inclusion56 decks78 decks
69%synergy
Myr Moonvessel
71%inclusion55 decks78 decks
70%synergy
Game Changers
Enlightened Tutor
50%inclusion39 decks78 decks
35%synergy
Gamble
27%inclusion21 decks78 decks
18%synergy
Ancient Tomb
17%inclusion13 decks78 decks
7%synergy
Jeska's Will
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1%synergy
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9.0%inclusion7 decks78 decks
4%synergy
The One Ring
9.0%inclusion7 decks78 decks
1%synergy
Chrome Mox
7.7%inclusion6 decks78 decks
2%synergy
Mox Diamond
6.4%inclusion5 decks78 decks
2%synergy
Mana Vault
6.4%inclusion5 decks78 decks
1%synergy
Grim Monolith
5.1%inclusion4 decks78 decks
3%synergy
Creatures
Kobolds of Kher Keep
69%inclusion54 decks78 decks
69%synergy
Stone Haven Outfitter
68%inclusion53 decks78 decks
68%synergy
Phyrexian Walker
67%inclusion52 decks78 decks
66%synergy
Stoneforge Mystic
59%inclusion46 decks78 decks
56%synergy
Auriok Steelshaper
54%inclusion42 decks78 decks
54%synergy
Reckless Barbarian
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50%synergy
Sram, Senior Edificer
50%inclusion39 decks78 decks
44%synergy
Imperial Recruiter
46%inclusion36 decks78 decks
42%synergy
Kellan, the Fae-Blooded
44%inclusion34 decks78 decks
41%synergy
Birgi, God of Storytelling
42%inclusion33 decks78 decks
37%synergy
Shield Sphere
41%inclusion32 decks78 decks
41%synergy
Fervent Champion
37%inclusion29 decks78 decks
37%synergy
Ranger-Captain of Eos
37%inclusion29 decks78 decks
33%synergy
Esper Sentinel
37%inclusion29 decks78 decks
18%synergy
Goblin Engineer
36%inclusion28 decks78 decks
33%synergy
Priest of Urabrask
33%inclusion26 decks78 decks
33%synergy
Witty Roastmaster
33%inclusion26 decks78 decks
31%synergy
Recruiter of the Guard
32%inclusion25 decks78 decks
29%synergy
Grand Abolisher
32%inclusion25 decks78 decks
23%synergy
Mogg Fanatic
31%inclusion24 decks78 decks
31%synergy
Molten Gatekeeper
25%inclusion17 decks67 decks
23%synergy
Oswald Fiddlebender
24%inclusion19 decks78 decks
23%synergy
Agate Instigator
24%inclusion15 decks63 decks
21%synergy
Relic Seeker
23%inclusion18 decks78 decks
23%synergy
Cathodion
22%inclusion17 decks78 decks
22%synergy
Bureau Headmaster
22%inclusion14 decks65 decks
20%synergy
Cloud, Midgar Mercenary
21%inclusion6 decks28 decks
19%synergy
Thermopod
21%inclusion16 decks78 decks
20%synergy
Fanatical Firebrand
17%inclusion13 decks78 decks
16%synergy
Voice of Victory
16%inclusion6 decks37 decks
10%synergy
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15%inclusion12 decks78 decks
15%synergy
Goblin Matron
15%inclusion12 decks78 decks
14%synergy
Simian Spirit Guide
15%inclusion12 decks78 decks
10%synergy
Starfield Shepherd
15%inclusion3 decks20 decks
14%synergy
Akiri, Fearless Voyager
14%inclusion11 decks78 decks
11%synergy
Cathar Commando
13%inclusion10 decks78 decks
10%synergy
Restoration Specialist
12%inclusion9 decks78 decks
11%synergy
Ranger of Eos
12%inclusion9 decks78 decks
11%synergy
Halvar, God of Battle
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10%synergy
Runaway Steam-Kin
12%inclusion9 decks78 decks
10%synergy
Goblin Welder
12%inclusion9 decks78 decks
9%synergy
Shocking Sharpshooter
11%inclusion4 decks35 decks
11%synergy
Hissing Iguanar
10%inclusion8 decks78 decks
10%synergy
Mentor of the Meek
10%inclusion8 decks78 decks
5%synergy
Astor, Bearer of Blades
9.0%inclusion7 decks78 decks
7%synergy
Myr Retriever
9.0%inclusion7 decks78 decks
7%synergy
Danitha Capashen, Paragon
9.0%inclusion7 decks78 decks
5%synergy
Purphoros, God of the Forge
9.0%inclusion7 decks78 decks
5%synergy
Foundry Inspector
9.0%inclusion7 decks78 decks
5%synergy
Taj-Nar Swordsmith
7.7%inclusion6 decks78 decks
8%synergy
Instants
Swords to Plowshares
59%inclusion46 decks78 decks
-2%synergy
Path to Exile
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4%synergy
Silence
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30%synergy
Red Elemental Blast
27%inclusion21 decks78 decks
21%synergy
Generous Gift
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5%synergy
Pyroblast
26%inclusion20 decks78 decks
20%synergy
Boros Charm
26%inclusion20 decks78 decks
3%synergy
Deflecting Swat
24%inclusion19 decks78 decks
8%synergy
Chaos Warp
24%inclusion19 decks78 decks
-5%synergy
Wear // Tear
23%inclusion18 decks78 decks
16%synergy
Abrade
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10%synergy
Thrill of Possibility
21%inclusion16 decks78 decks
11%synergy
Teferi's Protection
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0%synergy
Dispatch
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10%synergy
Mana Tithe
14%inclusion11 decks78 decks
12%synergy
Reprieve
14%inclusion11 decks78 decks
10%synergy
Tibalt's Trickery
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8%synergy
Untimely Malfunction
12%inclusion7 decks59 decks
4%synergy
Rebuff the Wicked
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9%synergy
Disenchant
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6%synergy
Flawless Maneuver
9.0%inclusion7 decks78 decks
-2%synergy
Lightning Bolt
9.0%inclusion7 decks78 decks
-2%synergy
Blacksmith's Skill
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6%synergy
Angel's Grace
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6%synergy
Seething Song
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1%synergy
Stroke of Midnight
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-3%synergy
Calamity's Wake
6.4%inclusion5 decks78 decks
6%synergy
Pyretic Ritual
6.4%inclusion5 decks78 decks
3%synergy
Valakut Awakening
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1%synergy
Dawn's Truce
6.3%inclusion4 decks64 decks
-1%synergy
Flare of Duplication
5.9%inclusion4 decks68 decks
3%synergy
Orim's Chant
5.1%inclusion4 decks78 decks
4%synergy
Inventory Management
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3%synergy
Deflecting Palm
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0%synergy
Sorceries
Steelshaper's Gift
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61%synergy
Grapeshot
42%inclusion33 decks78 decks
39%synergy
Faithless Looting
28%inclusion22 decks78 decks
12%synergy
Reckless Handling
27%inclusion21 decks78 decks
26%synergy
Idyllic Tutor
26%inclusion20 decks78 decks
22%synergy
Blasphemous Act
26%inclusion20 decks78 decks
-8%synergy
Sevinne's Reclamation
17%inclusion13 decks78 decks
10%synergy
Cathartic Reunion
15%inclusion12 decks78 decks
12%synergy
Infernal Plunge
14%inclusion11 decks78 decks
13%synergy
Rip Apart
12%inclusion9 decks78 decks
9%synergy
Recommission
10%inclusion8 decks78 decks
10%synergy
Thrilling Discovery
10%inclusion8 decks78 decks
9%synergy
Tormenting Voice
9.0%inclusion7 decks78 decks
7%synergy
Wrath of God
9.0%inclusion7 decks78 decks
4%synergy
Vandalblast
9.0%inclusion7 decks78 decks
-6%synergy
Wheel of Fortune
7.7%inclusion6 decks78 decks
3%synergy
Seize the Spoils
6.4%inclusion5 decks78 decks
3%synergy
Patch Up
5.1%inclusion4 decks78 decks
5%synergy
Utility Artifacts
Ronin Warclub
58%inclusion45 decks78 decks
58%synergy
Phyrexian Altar
49%inclusion38 decks78 decks
45%synergy
Altar of the Brood
42%inclusion33 decks78 decks
41%synergy
Mortarpod
41%inclusion32 decks78 decks
41%synergy
Swiftfoot Boots
41%inclusion32 decks78 decks
14%synergy
Umbral Mantle
38%inclusion30 decks78 decks
38%synergy
Mask of Immolation
36%inclusion28 decks78 decks
36%synergy
Demonmail Hauberk
33%inclusion26 decks78 decks
33%synergy
Bladehold War-Whip
24%inclusion19 decks78 decks
23%synergy
Aetherflux Reservoir
22%inclusion17 decks78 decks
19%synergy
Lotus Ring
21%inclusion15 decks73 decks
20%synergy
Conqueror's Flail
19%inclusion15 decks78 decks
18%synergy
Spawning Pit
17%inclusion13 decks78 decks
16%synergy
Plate Armor
15%inclusion12 decks78 decks
15%synergy
Masterwork of Ingenuity
14%inclusion11 decks78 decks
13%synergy
Sunforger
13%inclusion10 decks78 decks
9%synergy
Forebear's Blade
12%inclusion9 decks78 decks
11%synergy
Grinding Station
10%inclusion8 decks78 decks
10%synergy
Hero's Blade
10%inclusion8 decks78 decks
9%synergy
Sword of the Animist
9.0%inclusion7 decks78 decks
5%synergy
Mask of Memory
7.7%inclusion6 decks78 decks
6%synergy
Colossus Hammer
7.7%inclusion6 decks78 decks
6%synergy
Mithril Coat
7.7%inclusion6 decks78 decks
3%synergy
Bone Saw
6.4%inclusion5 decks78 decks
6%synergy
Bontu's Monument
6.4%inclusion5 decks78 decks
4%synergy
Lavaspur Boots
5.3%inclusion4 decks75 decks
4%synergy
Explorer's Scope
5.1%inclusion4 decks78 decks
4%synergy
Moonsilver Key
5.1%inclusion4 decks78 decks
4%synergy
Sword of Hearth and Home
5.1%inclusion4 decks78 decks
3%synergy
Shadowspear
5.1%inclusion4 decks78 decks
2%synergy
Enchantments
Fighter Class
63%inclusion49 decks78 decks
60%synergy
Sigarda's Aid
29%inclusion23 decks78 decks
26%synergy
Warleader's Call
28%inclusion22 decks78 decks
21%synergy
Fanatical Devotion
24%inclusion19 decks78 decks
24%synergy
Forging the Tyrite Sword
22%inclusion17 decks78 decks
21%synergy
Quest for the Holy Relic
19%inclusion15 decks78 decks
19%synergy
Martyr's Cause
19%inclusion15 decks78 decks
19%synergy
Outpost Siege
19%inclusion15 decks78 decks
18%synergy
Enduring Renewal
18%inclusion14 decks78 decks
18%synergy
Smothering Tithe
13%inclusion10 decks78 decks
-8%synergy
Forge Anew
12%inclusion9 decks78 decks
9%synergy
Gift of Immortality
9.0%inclusion7 decks78 decks
7%synergy
Murder Investigation
7.7%inclusion6 decks78 decks
8%synergy
Mantle of the Ancients
7.7%inclusion6 decks78 decks
5%synergy
Land Tax
7.7%inclusion6 decks78 decks
1%synergy
Betrothed of Fire
6.4%inclusion5 decks78 decks
6%synergy
Cartouche of Solidarity
6.4%inclusion5 decks78 decks
6%synergy
Underworld Breach
6.4%inclusion5 decks78 decks
0%synergy
Valor of the Worthy
5.1%inclusion4 decks78 decks
5%synergy
Griffin Guide
5.1%inclusion4 decks78 decks
5%synergy
Nurturing Presence
5.1%inclusion4 decks78 decks
5%synergy
Darksteel Mutation
5.1%inclusion4 decks78 decks
0%synergy
Planeswalkers
Nahiri, Storm of Stone
13%inclusion10 decks78 decks
13%synergy
Utility Lands
Buried Ruin
44%inclusion34 decks78 decks
39%synergy
Great Furnace
37%inclusion29 decks78 decks
31%synergy
Axgard Armory
36%inclusion28 decks78 decks
34%synergy
Urza's Saga
36%inclusion28 decks78 decks
29%synergy
Ancient Den
35%inclusion27 decks78 decks
29%synergy
Inventors' Fair
28%inclusion22 decks78 decks
24%synergy
Reliquary Tower
22%inclusion17 decks78 decks
-8%synergy
War Room
9.0%inclusion7 decks78 decks
3%synergy
Darksteel Citadel
7.7%inclusion6 decks78 decks
4%synergy
Hall of Heliod's Generosity
6.4%inclusion5 decks78 decks
0%synergy
Eiganjo, Seat of the Empire
6.4%inclusion5 decks78 decks
-1%synergy
Kher Keep
5.1%inclusion4 decks78 decks
3%synergy
Secluded Steppe
5.1%inclusion4 decks78 decks
3%synergy
Command Beacon
5.1%inclusion4 decks78 decks
0%synergy
Temple of the False God
5.1%inclusion4 decks78 decks
-4%synergy
Rogue's Passage
5.1%inclusion4 decks78 decks
-15%synergy
Mana Artifacts
Sol Ring
82%inclusion64 decks78 decks
-2%synergy
Arcane Signet
76%inclusion59 decks78 decks
3%synergy
Talisman of Conviction
44%inclusion34 decks78 decks
19%synergy
Boros Signet
37%inclusion29 decks78 decks
18%synergy
Paradise Mantle
31%inclusion24 decks78 decks
30%synergy
Fellwar Stone
31%inclusion24 decks78 decks
10%synergy
Mox Opal
22%inclusion17 decks78 decks
17%synergy
Lotus Petal
21%inclusion16 decks78 decks
14%synergy
Springleaf Drum
15%inclusion12 decks78 decks
13%synergy
Mox Amber
15%inclusion12 decks78 decks
11%synergy
Thought Vessel
15%inclusion12 decks78 decks
-2%synergy
Mind Stone
14%inclusion11 decks78 decks
0%synergy
Commander's Sphere
6.4%inclusion5 decks78 decks
-5%synergy
Liquimetal Torque
5.1%inclusion4 decks78 decks
2%synergy
Lands
Command Tower
88%inclusion69 decks78 decks
14%synergy
Battlefield Forge
63%inclusion49 decks78 decks
34%synergy
Sacred Foundry
56%inclusion44 decks78 decks
20%synergy
Clifftop Retreat
55%inclusion43 decks78 decks
20%synergy
Spectator Seating
49%inclusion38 decks78 decks
26%synergy
Arid Mesa
42%inclusion33 decks78 decks
32%synergy
Rugged Prairie
38%inclusion30 decks78 decks
24%synergy
Furycalm Snarl
37%inclusion29 decks78 decks
23%synergy
Needleverge Pathway
28%inclusion22 decks78 decks
21%synergy
Temple of Triumph
26%inclusion20 decks78 decks
9%synergy
Sunbaked Canyon
23%inclusion18 decks78 decks
18%synergy
Plateau
22%inclusion17 decks78 decks
10%synergy
Sundown Pass
22%inclusion17 decks78 decks
7%synergy
Spire of Industry
19%inclusion15 decks78 decks
16%synergy
Exotic Orchard
19%inclusion15 decks78 decks
-17%synergy
City of Brass
17%inclusion13 decks78 decks
9%synergy
Inspiring Vantage
15%inclusion12 decks78 decks
11%synergy
Rustvale Bridge
15%inclusion12 decks78 decks
10%synergy
Boros Garrison
14%inclusion11 decks78 decks
2%synergy
Sunbillow Verge
14%inclusion6 decks44 decks
6%synergy
Sunscorched Divide
13%inclusion10 decks78 decks
6%synergy
Mana Confluence
12%inclusion9 decks78 decks
5%synergy
Wooded Foothills
10%inclusion8 decks78 decks
-1%synergy
Windswept Heath
10%inclusion8 decks78 decks
-1%synergy
Flooded Strand
10%inclusion8 decks78 decks
-1%synergy
Evolving Wilds
10%inclusion8 decks78 decks
-10%synergy
Gemstone Caverns
9.0%inclusion7 decks78 decks
4%synergy
Marsh Flats
9.0%inclusion7 decks78 decks
-2%synergy
Bloodstained Mire
9.0%inclusion7 decks78 decks
-2%synergy
Elegant Parlor
7.7%inclusion6 decks78 decks
0%synergy
Fabled Passage
7.7%inclusion6 decks78 decks
-2%synergy
Scalding Tarn
7.7%inclusion6 decks78 decks
-3%synergy
Alpine Meadow
6.4%inclusion5 decks78 decks
5%synergy
Prismatic Vista
6.4%inclusion5 decks78 decks
2%synergy
Terramorphic Expanse
6.4%inclusion5 decks78 decks
-8%synergy
Boros Guildgate
5.1%inclusion4 decks78 decks
1%synergy
Path of Ancestry
5.1%inclusion4 decks78 decks
-17%synergy