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
6.4%inclusion78 decks1.23K decks
Cass, Hand of Vengeance
1.0%inclusion4 decks398 decks
Mog, Moogle Warrior
0.1%inclusion1 decks1.94K decks
Lightning, Army of One
0.0%inclusion1 decks8.80K decks
Dogmeat, Ever Loyal
0.0%inclusion1 decks8.80K decks
Ardenn, Intrepid Archaeologist // Rograkh, Son of Rohgahh
0.0%inclusion1 decks7.34K decks
New Cards
Inspired Insurgent
13%inclusion1 decks8 decks
12%synergy
Redirect Lightning
6.3%inclusion1 decks16 decks
1%synergy
High Synergy Cards
Rograkh, Son of Rohgahh
92%inclusion79 decks86 decks
91%synergy
Goblin Bombardment
95%inclusion82 decks86 decks
90%synergy
Ornithopter
87%inclusion75 decks86 decks
85%synergy
Shuko
85%inclusion73 decks86 decks
85%synergy
Sai of the Shinobi
84%inclusion72 decks86 decks
84%synergy
Memnite
83%inclusion71 decks86 decks
82%synergy
Stormrider Rig
78%inclusion67 decks86 decks
78%synergy
Grafted Wargear
78%inclusion67 decks86 decks
78%synergy
Skullclamp
88%inclusion76 decks86 decks
77%synergy
Open the Armory
81%inclusion70 decks86 decks
77%synergy
Top Cards
Impact Tremors
83%inclusion71 decks86 decks
73%synergy
Lightning Greaves
80%inclusion69 decks86 decks
55%synergy
Puresteel Paladin
78%inclusion67 decks86 decks
73%synergy
Crookshank Kobolds
77%inclusion66 decks86 decks
77%synergy
Impulsive Pilferer
77%inclusion66 decks86 decks
75%synergy
Crimson Kobolds
76%inclusion65 decks86 decks
75%synergy
Skirk Prospector
76%inclusion65 decks86 decks
73%synergy
Blasting Station
74%inclusion64 decks86 decks
74%synergy
Ashnod's Altar
74%inclusion64 decks86 decks
68%synergy
Myr Moonvessel
72%inclusion62 decks86 decks
72%synergy
Game Changers
Enlightened Tutor
51%inclusion44 decks86 decks
36%synergy
Gamble
28%inclusion24 decks86 decks
19%synergy
Jeska's Will
19%inclusion16 decks86 decks
3%synergy
Ancient Tomb
17%inclusion15 decks86 decks
8%synergy
Chrome Mox
9.3%inclusion8 decks86 decks
3%synergy
The One Ring
9.3%inclusion8 decks86 decks
1%synergy
Mox Diamond
8.1%inclusion7 decks86 decks
4%synergy
Drannith Magistrate
8.1%inclusion7 decks86 decks
3%synergy
Mana Vault
7.0%inclusion6 decks86 decks
1%synergy
Underworld Breach
7.0%inclusion6 decks86 decks
1%synergy
Creatures
Kobolds of Kher Keep
72%inclusion62 decks86 decks
72%synergy
Stone Haven Outfitter
71%inclusion61 decks86 decks
71%synergy
Phyrexian Walker
64%inclusion55 decks86 decks
63%synergy
Auriok Steelshaper
57%inclusion49 decks86 decks
57%synergy
Stoneforge Mystic
56%inclusion48 decks86 decks
53%synergy
Reckless Barbarian
55%inclusion47 decks86 decks
54%synergy
Imperial Recruiter
48%inclusion41 decks86 decks
43%synergy
Kellan, the Fae-Blooded
47%inclusion40 decks86 decks
44%synergy
Sram, Senior Edificer
45%inclusion39 decks86 decks
39%synergy
Shield Sphere
40%inclusion34 decks86 decks
39%synergy
Birgi, God of Storytelling
40%inclusion34 decks86 decks
34%synergy
Fervent Champion
38%inclusion33 decks86 decks
38%synergy
Witty Roastmaster
37%inclusion32 decks86 decks
35%synergy
Ranger-Captain of Eos
37%inclusion32 decks86 decks
33%synergy
Esper Sentinel
37%inclusion32 decks86 decks
18%synergy
Priest of Urabrask
36%inclusion31 decks86 decks
36%synergy
Goblin Engineer
35%inclusion30 decks86 decks
32%synergy
Grand Abolisher
31%inclusion27 decks86 decks
22%synergy
Recruiter of the Guard
30%inclusion26 decks86 decks
27%synergy
Mogg Fanatic
29%inclusion25 decks86 decks
29%synergy
Oswald Fiddlebender
28%inclusion24 decks86 decks
27%synergy
Cathodion
27%inclusion23 decks86 decks
27%synergy
Cloud, Midgar Mercenary
26%inclusion7 decks27 decks
23%synergy
Molten Gatekeeper
25%inclusion17 decks67 decks
23%synergy
Agate Instigator
24%inclusion15 decks63 decks
21%synergy
Relic Seeker
23%inclusion20 decks86 decks
23%synergy
Starfield Shepherd
21%inclusion4 decks19 decks
20%synergy
Thermopod
21%inclusion18 decks86 decks
21%synergy
Bureau Headmaster
20%inclusion13 decks65 decks
18%synergy
Goblin Matron
20%inclusion17 decks86 decks
18%synergy
Voice of Victory
17%inclusion6 decks36 decks
10%synergy
Akki Ember-Keeper
16%inclusion14 decks86 decks
16%synergy
Simian Spirit Guide
16%inclusion14 decks86 decks
11%synergy
Weftstalker Ardent
16%inclusion3 decks19 decks
13%synergy
Ranger of Eos
15%inclusion13 decks86 decks
15%synergy
Akiri, Fearless Voyager
15%inclusion13 decks86 decks
12%synergy
Fanatical Firebrand
14%inclusion12 decks86 decks
14%synergy
Halvar, God of Battle
13%inclusion11 decks86 decks
11%synergy
Cathar Commando
13%inclusion11 decks86 decks
10%synergy
Shocking Sharpshooter
12%inclusion4 decks34 decks
11%synergy
Restoration Specialist
12%inclusion10 decks86 decks
11%synergy
Éowyn, Lady of Rohan
12%inclusion10 decks86 decks
11%synergy
Mentor of the Meek
12%inclusion10 decks86 decks
7%synergy
Hissing Iguanar
10%inclusion9 decks86 decks
10%synergy
Danitha Capashen, Paragon
10%inclusion9 decks86 decks
7%synergy
Taj-Nar Swordsmith
9.3%inclusion8 decks86 decks
9%synergy
Flamescroll Celebrant
9.3%inclusion8 decks86 decks
9%synergy
Astor, Bearer of Blades
9.3%inclusion8 decks86 decks
8%synergy
Myr Retriever
9.3%inclusion8 decks86 decks
8%synergy
Runaway Steam-Kin
9.3%inclusion8 decks86 decks
7%synergy
Instants
Swords to Plowshares
59%inclusion51 decks86 decks
-2%synergy
Path to Exile
50%inclusion43 decks86 decks
3%synergy
Silence
36%inclusion31 decks86 decks
30%synergy
Red Elemental Blast
24%inclusion21 decks86 decks
18%synergy
Deflecting Swat
24%inclusion21 decks86 decks
8%synergy
Generous Gift
24%inclusion21 decks86 decks
2%synergy
Boros Charm
23%inclusion20 decks86 decks
0%synergy
Chaos Warp
23%inclusion20 decks86 decks
-7%synergy
Pyroblast
22%inclusion19 decks86 decks
16%synergy
Wear // Tear
21%inclusion18 decks86 decks
14%synergy
Abrade
21%inclusion18 decks86 decks
9%synergy
Thrill of Possibility
20%inclusion17 decks86 decks
10%synergy
Teferi's Protection
16%inclusion14 decks86 decks
-1%synergy
Dispatch
15%inclusion13 decks86 decks
9%synergy
Mana Tithe
13%inclusion11 decks86 decks
11%synergy
Rebuff the Wicked
13%inclusion11 decks86 decks
11%synergy
Reprieve
13%inclusion11 decks86 decks
8%synergy
Tibalt's Trickery
13%inclusion11 decks86 decks
8%synergy
Untimely Malfunction
12%inclusion7 decks59 decks
4%synergy
Disenchant
9.3%inclusion8 decks86 decks
6%synergy
Flawless Maneuver
8.1%inclusion7 decks86 decks
-2%synergy
Lightning Bolt
8.1%inclusion7 decks86 decks
-3%synergy
Calamity's Wake
7.0%inclusion6 decks86 decks
7%synergy
Blacksmith's Skill
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5%synergy
Angel's Grace
7.0%inclusion6 decks86 decks
5%synergy
Valakut Awakening
7.0%inclusion6 decks86 decks
2%synergy
Seething Song
7.0%inclusion6 decks86 decks
1%synergy
Stroke of Midnight
7.0%inclusion6 decks86 decks
-4%synergy
Dawn's Truce
6.3%inclusion4 decks64 decks
-1%synergy
Flare of Duplication
5.9%inclusion4 decks68 decks
3%synergy
Argivian Find
5.8%inclusion5 decks86 decks
6%synergy
Pyretic Ritual
5.8%inclusion5 decks86 decks
3%synergy
Deflecting Palm
5.8%inclusion5 decks86 decks
0%synergy
Sorceries
Steelshaper's Gift
66%inclusion57 decks86 decks
63%synergy
Grapeshot
43%inclusion37 decks86 decks
39%synergy
Faithless Looting
29%inclusion25 decks86 decks
13%synergy
Reckless Handling
28%inclusion24 decks86 decks
27%synergy
Blasphemous Act
27%inclusion23 decks86 decks
-6%synergy
Idyllic Tutor
26%inclusion22 decks86 decks
22%synergy
Sevinne's Reclamation
20%inclusion17 decks86 decks
13%synergy
Infernal Plunge
14%inclusion12 decks86 decks
13%synergy
Cathartic Reunion
14%inclusion12 decks86 decks
11%synergy
Rip Apart
13%inclusion11 decks86 decks
10%synergy
Recommission
12%inclusion10 decks86 decks
11%synergy
Wrath of God
12%inclusion10 decks86 decks
7%synergy
Thrilling Discovery
10%inclusion9 decks86 decks
9%synergy
Tormenting Voice
9.3%inclusion8 decks86 decks
7%synergy
Wheel of Fortune
8.1%inclusion7 decks86 decks
3%synergy
Vandalblast
8.1%inclusion7 decks86 decks
-8%synergy
Patch Up
7.0%inclusion6 decks86 decks
7%synergy
Jolted Awake
6.0%inclusion4 decks67 decks
5%synergy
Seize the Spoils
5.8%inclusion5 decks86 decks
3%synergy
Utility Artifacts
Ronin Warclub
57%inclusion49 decks86 decks
57%synergy
Phyrexian Altar
48%inclusion41 decks86 decks
44%synergy
Altar of the Brood
44%inclusion38 decks86 decks
43%synergy
Swiftfoot Boots
41%inclusion35 decks86 decks
13%synergy
Mortarpod
40%inclusion34 decks86 decks
39%synergy
Umbral Mantle
40%inclusion34 decks86 decks
39%synergy
Mask of Immolation
37%inclusion32 decks86 decks
37%synergy
Demonmail Hauberk
30%inclusion26 decks86 decks
30%synergy
Bladehold War-Whip
27%inclusion23 decks86 decks
25%synergy
Aetherflux Reservoir
22%inclusion19 decks86 decks
19%synergy
Lotus Ring
21%inclusion15 decks73 decks
20%synergy
Conqueror's Flail
20%inclusion17 decks86 decks
19%synergy
Spawning Pit
17%inclusion15 decks86 decks
17%synergy
Plate Armor
16%inclusion14 decks86 decks
16%synergy
Masterwork of Ingenuity
13%inclusion11 decks86 decks
12%synergy
Sunforger
13%inclusion11 decks86 decks
9%synergy
Sword of the Animist
12%inclusion10 decks86 decks
7%synergy
Forebear's Blade
10%inclusion9 decks86 decks
10%synergy
Grinding Station
10%inclusion9 decks86 decks
10%synergy
Hero's Blade
9.3%inclusion8 decks86 decks
8%synergy
Bone Saw
8.1%inclusion7 decks86 decks
8%synergy
Explorer's Scope
7.0%inclusion6 decks86 decks
6%synergy
Moonsilver Key
7.0%inclusion6 decks86 decks
6%synergy
Mask of Memory
7.0%inclusion6 decks86 decks
5%synergy
Colossus Hammer
7.0%inclusion6 decks86 decks
5%synergy
Mithril Coat
7.0%inclusion6 decks86 decks
3%synergy
Bontu's Monument
5.8%inclusion5 decks86 decks
4%synergy
Lavaspur Boots
5.3%inclusion4 decks75 decks
4%synergy
Enchantments
Fighter Class
64%inclusion55 decks86 decks
61%synergy
Warleader's Call
28%inclusion24 decks85 decks
21%synergy
Sigarda's Aid
28%inclusion24 decks86 decks
24%synergy
Forging the Tyrite Sword
22%inclusion19 decks86 decks
21%synergy
Fanatical Devotion
21%inclusion18 decks86 decks
20%synergy
Outpost Siege
19%inclusion16 decks86 decks
17%synergy
Quest for the Holy Relic
17%inclusion15 decks86 decks
17%synergy
Martyr's Cause
17%inclusion15 decks86 decks
17%synergy
Enduring Renewal
16%inclusion14 decks86 decks
16%synergy
Forge Anew
14%inclusion12 decks86 decks
11%synergy
Smothering Tithe
12%inclusion10 decks86 decks
-10%synergy
Betrothed of Fire
7.0%inclusion6 decks86 decks
7%synergy
Gift of Immortality
7.0%inclusion6 decks86 decks
5%synergy
Land Tax
7.0%inclusion6 decks86 decks
1%synergy
Mantle of the Ancients
5.8%inclusion5 decks86 decks
3%synergy
Darksteel Mutation
5.8%inclusion5 decks86 decks
1%synergy
Planeswalkers
Nahiri, Storm of Stone
12%inclusion10 decks86 decks
11%synergy
Utility Lands
Buried Ruin
44%inclusion38 decks86 decks
39%synergy
Great Furnace
37%inclusion32 decks86 decks
31%synergy
Urza's Saga
36%inclusion31 decks86 decks
29%synergy
Ancient Den
35%inclusion30 decks86 decks
29%synergy
Axgard Armory
33%inclusion28 decks86 decks
30%synergy
Inventors' Fair
29%inclusion25 decks86 decks
25%synergy
Reliquary Tower
21%inclusion18 decks86 decks
-9%synergy
War Room
9.3%inclusion8 decks86 decks
3%synergy
Darksteel Citadel
7.0%inclusion6 decks86 decks
3%synergy
Eiganjo, Seat of the Empire
7.0%inclusion6 decks86 decks
0%synergy
Rogue's Passage
5.8%inclusion5 decks86 decks
-15%synergy
Mana Artifacts
Sol Ring
84%inclusion72 decks86 decks
0%synergy
Arcane Signet
76%inclusion65 decks86 decks
3%synergy
Talisman of Conviction
43%inclusion37 decks86 decks
19%synergy
Boros Signet
35%inclusion30 decks86 decks
15%synergy
Paradise Mantle
34%inclusion29 decks86 decks
33%synergy
Fellwar Stone
33%inclusion28 decks86 decks
12%synergy
Mox Opal
24%inclusion21 decks86 decks
20%synergy
Lotus Petal
22%inclusion19 decks86 decks
15%synergy
Mox Amber
17%inclusion15 decks86 decks
13%synergy
Springleaf Drum
16%inclusion14 decks86 decks
14%synergy
Mind Stone
16%inclusion14 decks86 decks
1%synergy
Thought Vessel
16%inclusion14 decks86 decks
-1%synergy
Mana Crypt
5.8%inclusion5 decks86 decks
3%synergy
Commander's Sphere
5.8%inclusion5 decks86 decks
-7%synergy
Lands
Command Tower
88%inclusion76 decks86 decks
14%synergy
Battlefield Forge
63%inclusion54 decks86 decks
34%synergy
Sacred Foundry
55%inclusion47 decks86 decks
18%synergy
Clifftop Retreat
53%inclusion46 decks86 decks
19%synergy
Spectator Seating
49%inclusion42 decks86 decks
26%synergy
Arid Mesa
42%inclusion36 decks86 decks
32%synergy
Rugged Prairie
37%inclusion32 decks86 decks
23%synergy
Furycalm Snarl
35%inclusion30 decks86 decks
21%synergy
Needleverge Pathway
30%inclusion26 decks86 decks
23%synergy
Sunbaked Canyon
23%inclusion20 decks86 decks
19%synergy
Temple of Triumph
22%inclusion19 decks86 decks
6%synergy
Plateau
21%inclusion18 decks86 decks
9%synergy
Sundown Pass
21%inclusion18 decks86 decks
5%synergy
Exotic Orchard
21%inclusion18 decks86 decks
-15%synergy
Spire of Industry
19%inclusion16 decks86 decks
15%synergy
City of Brass
17%inclusion15 decks86 decks
10%synergy
Inspiring Vantage
14%inclusion12 decks86 decks
9%synergy
Rustvale Bridge
14%inclusion12 decks86 decks
8%synergy
Mana Confluence
14%inclusion12 decks86 decks
7%synergy
Boros Garrison
13%inclusion11 decks86 decks
0%synergy
Sunscorched Divide
12%inclusion10 decks81 decks
6%synergy
Sunbillow Verge
12%inclusion5 decks43 decks
4%synergy
Wooded Foothills
12%inclusion10 decks86 decks
1%synergy
Windswept Heath
12%inclusion10 decks86 decks
1%synergy
Gemstone Caverns
10%inclusion9 decks86 decks
5%synergy
Bloodstained Mire
10%inclusion9 decks86 decks
-1%synergy
Marsh Flats
9.3%inclusion8 decks86 decks
-1%synergy
Scalding Tarn
9.3%inclusion8 decks86 decks
-2%synergy
Flooded Strand
9.3%inclusion8 decks86 decks
-2%synergy
Evolving Wilds
9.3%inclusion8 decks86 decks
-11%synergy
Elegant Parlor
8.2%inclusion7 decks85 decks
1%synergy
Fabled Passage
8.1%inclusion7 decks86 decks
-1%synergy
Alpine Meadow
5.8%inclusion5 decks86 decks
4%synergy
Prismatic Vista
5.8%inclusion5 decks86 decks
1%synergy
Terramorphic Expanse
5.8%inclusion5 decks86 decks
-9%synergy