Éomer, Marshal of Rohan
Altaïr Ibn-La'Ahad
Altar of Dementia
Roshan, Hidden Magister

   Prerequisites

What do I need to start this combo?
Éomer in your graveyard.
All other permanents on the battlefield.
Altaïr does not have summoning sickness. An opponent cannot block and kill Altaïr. You have at least one legendary creature card exiled with a memory counter on it.

   Steps

How does this combo work?
1
Declare Altaïr as an attacker. Altaïr triggers, exiling Éomer from your graveyard with a memory counter on it, and then creating a tapped and attacking token copy of each card you own that is exiled with a memory counter on it.
2
Activate Altar of Dementia by sacrificing another legendary creature token except Éomer.
3
When the creature dies, Éomer triggers, untapping all creatures you control and causing you to get an additional combat phase after this one.
4
Resolve the Altar of Dementia ability.
5
Repeat during each combat phase.

   Results

What do I get from this combo?
Infinite LTB
Infinite ETB
Infinite sacrifice triggers
Infinite death triggers
Infinite mill
Infinite self-mill
Infinite combat phases
Altaïr Ibn-La'Ahad
0.6%inclusion32 decks5.35K decks
New Cards
Curious Colossus
100%inclusion1 decks1 decks
100%synergy
Redirect Lightning
18%inclusion2 decks11 decks
13%synergy
Raven Eagle
13%inclusion1 decks8 decks
12%synergy
Raphael, Tag Team Tough
10%inclusion1 decks10 decks
10%synergy
High Synergy Cards
Olivia, Opulent Outlaw
91%inclusion29 decks32 decks
86%synergy
Ruthless Lawbringer
91%inclusion29 decks32 decks
85%synergy
The Animus
84%inclusion27 decks32 decks
83%synergy
Desmond Miles
84%inclusion27 decks32 decks
83%synergy
Layla Hassan
75%inclusion24 decks32 decks
74%synergy
The Master, Multiplied
75%inclusion24 decks32 decks
72%synergy
Queen Marchesa
78%inclusion25 decks32 decks
72%synergy
Arno Dorian
72%inclusion23 decks32 decks
70%synergy
Mari, the Killing Quill
75%inclusion24 decks32 decks
68%synergy
Bayek of Siwa
69%inclusion22 decks32 decks
66%synergy
Top Cards
Faithless Looting
75%inclusion24 decks32 decks
60%synergy
Lightning Greaves
72%inclusion23 decks32 decks
38%synergy
Buried Alive
69%inclusion22 decks32 decks
63%synergy
Massacre Girl, Known Killer
66%inclusion21 decks32 decks
63%synergy
Maskwood Nexus
63%inclusion20 decks32 decks
61%synergy
Aya of Alexandria
63%inclusion20 decks32 decks
60%synergy
Reconnaissance
63%inclusion20 decks32 decks
52%synergy
Shadow, Mysterious Assassin
61%inclusion11 decks18 decks
56%synergy
Overpowering Attack
59%inclusion19 decks32 decks
57%synergy
Isshin, Two Heavens as One
59%inclusion19 decks32 decks
43%synergy
Game Changers
Demonic Tutor
16%inclusion5 decks32 decks
-4%synergy
Teferi's Protection
16%inclusion5 decks32 decks
-5%synergy
Enlightened Tutor
13%inclusion4 decks32 decks
0%synergy
Vampiric Tutor
9.4%inclusion3 decks32 decks
-5%synergy
Smothering Tithe
9.4%inclusion3 decks32 decks
-17%synergy
Creatures
Unscrupulous Contractor
56%inclusion18 decks32 decks
55%synergy
Murderous Redcap
56%inclusion18 decks32 decks
53%synergy
Port Razer
53%inclusion17 decks32 decks
52%synergy
Anger
53%inclusion17 decks32 decks
46%synergy
Unstoppable Slasher
52%inclusion13 decks25 decks
50%synergy
Big Game Hunter
50%inclusion16 decks32 decks
49%synergy
Roaming Throne
50%inclusion16 decks32 decks
43%synergy
Ravenloft Adventurer
47%inclusion15 decks32 decks
46%synergy
Undercity Eliminator
44%inclusion14 decks32 decks
43%synergy
Vein Ripper
44%inclusion14 decks32 decks
40%synergy
Nekrataal
41%inclusion13 decks32 decks
39%synergy
Virtus the Veiled
38%inclusion12 decks32 decks
37%synergy
Arbaaz Mir
38%inclusion12 decks32 decks
35%synergy
Fleshtaker
34%inclusion11 decks32 decks
33%synergy
Merciless Harlequin
34%inclusion11 decks32 decks
33%synergy
Zurgo Stormrender
32%inclusion6 decks19 decks
23%synergy
Garza's Assassin
31%inclusion10 decks32 decks
31%synergy
Raffine's Silencer
31%inclusion10 decks32 decks
31%synergy
Mondrak, Glory Dominus
28%inclusion9 decks32 decks
17%synergy
Neriv, Heart of the Storm
26%inclusion5 decks19 decks
20%synergy
Viscera Seer
25%inclusion8 decks32 decks
11%synergy
Guildsworn Prowler
22%inclusion7 decks32 decks
21%synergy
The Lord of Pain
21%inclusion5 decks24 decks
20%synergy
Massacre Girl
19%inclusion6 decks32 decks
17%synergy
Ratadrabik of Urborg
19%inclusion6 decks32 decks
16%synergy
Assassin Initiate
16%inclusion5 decks32 decks
15%synergy
Vile Entomber
16%inclusion5 decks32 decks
14%synergy
Boromir, Warden of the Tower
16%inclusion5 decks32 decks
12%synergy
Ojer Taq, Deepest Foundation
16%inclusion5 decks32 decks
10%synergy
Irregular Cohort
13%inclusion4 decks32 decks
12%synergy
Body Launderer
13%inclusion4 decks32 decks
12%synergy
Silent Arbiter
13%inclusion4 decks32 decks
12%synergy
Angel of Indemnity
13%inclusion4 decks32 decks
12%synergy
Thorn of the Black Rose
13%inclusion4 decks32 decks
11%synergy
Doom Whisperer
13%inclusion4 decks32 decks
11%synergy
Mirror Entity
13%inclusion4 decks32 decks
10%synergy
Stitcher's Supplier
13%inclusion4 decks32 decks
8%synergy
Karmic Guide
13%inclusion4 decks32 decks
6%synergy
General's Enforcer
13%inclusion4 decks32 decks
4%synergy
Mirkwood Bats
13%inclusion4 decks32 decks
-5%synergy
Esper Sentinel
13%inclusion4 decks32 decks
-6%synergy
Razorkin Needlehead
12%inclusion3 decks25 decks
11%synergy
Changeling Hero
9.4%inclusion3 decks32 decks
9%synergy
Changeling Berserker
9.4%inclusion3 decks32 decks
9%synergy
Corpse Connoisseur
9.4%inclusion3 decks32 decks
9%synergy
Gravebreaker Lamia
9.4%inclusion3 decks32 decks
9%synergy
Kelsien, the Plague
9.4%inclusion3 decks32 decks
9%synergy
Millikin
9.4%inclusion3 decks32 decks
7%synergy
Éowyn, Fearless Knight
9.4%inclusion3 decks32 decks
7%synergy
Fear of Missing Out
9.4%inclusion3 decks32 decks
7%synergy
Instants
Entomb
50%inclusion16 decks32 decks
43%synergy
Path to Exile
44%inclusion14 decks32 decks
-3%synergy
Swords to Plowshares
44%inclusion14 decks32 decks
-19%synergy
Thrill of Possibility
38%inclusion12 decks32 decks
30%synergy
Demand Answers
31%inclusion10 decks32 decks
26%synergy
Deadly Dispute
28%inclusion9 decks32 decks
5%synergy
Akroma's Will
19%inclusion6 decks32 decks
5%synergy
Deflecting Swat
19%inclusion6 decks32 decks
3%synergy
Chaos Warp
19%inclusion6 decks32 decks
2%synergy
Anguished Unmaking
19%inclusion6 decks32 decks
-15%synergy
Plumb the Forbidden
16%inclusion5 decks32 decks
12%synergy
Great Train Heist
16%inclusion5 decks32 decks
11%synergy
Fell the Profane
16%inclusion5 decks32 decks
9%synergy
Big Score
16%inclusion5 decks32 decks
6%synergy
Dawn's Truce
13%inclusion4 decks30 decks
6%synergy
Razorgrass Ambush
13%inclusion4 decks32 decks
11%synergy
Blacksmith's Skill
13%inclusion4 decks32 decks
11%synergy
Surge of Salvation
13%inclusion4 decks32 decks
11%synergy
Malakir Rebirth
13%inclusion4 decks32 decks
7%synergy
Village Rites
13%inclusion4 decks32 decks
1%synergy
Boros Charm
13%inclusion4 decks32 decks
-17%synergy
Reprieve
9.4%inclusion3 decks32 decks
6%synergy
Valakut Awakening
9.4%inclusion3 decks32 decks
6%synergy
Pyroblast
9.4%inclusion3 decks32 decks
5%synergy
Terminate
9.4%inclusion3 decks32 decks
-3%synergy
Sorceries
Cathartic Reunion
41%inclusion13 decks32 decks
37%synergy
Blasphemous Act
34%inclusion11 decks32 decks
12%synergy
Seize the Day
28%inclusion9 decks32 decks
27%synergy
Thrilling Discovery
22%inclusion7 decks32 decks
20%synergy
Grab the Prize
16%inclusion4 decks25 decks
15%synergy
Unmarked Grave
16%inclusion5 decks32 decks
14%synergy
Sundering Eruption
16%inclusion5 decks32 decks
13%synergy
Ruinous Ultimatum
16%inclusion5 decks32 decks
-23%synergy
Restart Sequence
13%inclusion4 decks32 decks
12%synergy
Tormenting Voice
13%inclusion4 decks32 decks
11%synergy
Mythos of Snapdax
13%inclusion4 decks32 decks
7%synergy
Sevinne's Reclamation
13%inclusion4 decks32 decks
5%synergy
Damn
13%inclusion4 decks32 decks
-6%synergy
Incarnation Technique
9.4%inclusion3 decks32 decks
9%synergy
Toxic Deluge
9.4%inclusion3 decks32 decks
1%synergy
Utility Artifacts
Ashes of the Fallen
56%inclusion18 decks32 decks
56%synergy
Swiftfoot Boots
50%inclusion16 decks32 decks
19%synergy
Brotherhood Regalia
41%inclusion13 decks32 decks
37%synergy
Key to the City
28%inclusion9 decks32 decks
24%synergy
Sundial of the Infinite
25%inclusion8 decks32 decks
24%synergy
Mirror Box
16%inclusion5 decks32 decks
15%synergy
Haystack
16%inclusion5 decks32 decks
14%synergy
Brass's Tunnel-Grinder
16%inclusion5 decks32 decks
14%synergy
Strionic Resonator
16%inclusion5 decks32 decks
13%synergy
Whispersilk Cloak
16%inclusion5 decks32 decks
10%synergy
Basilisk Collar
13%inclusion4 decks32 decks
8%synergy
Smoke Bomb
9.4%inclusion3 decks32 decks
9%synergy
Palantír of Orthanc
9.4%inclusion3 decks32 decks
9%synergy
The Spear of Leonidas
9.4%inclusion3 decks32 decks
8%synergy
Helm of the Host
9.4%inclusion3 decks32 decks
3%synergy
Herald's Horn
9.4%inclusion3 decks32 decks
3%synergy
Ashnod's Altar
9.4%inclusion3 decks32 decks
1%synergy
Enchantments
Ripples of Undeath
56%inclusion18 decks32 decks
53%synergy
Goblin Bombardment
53%inclusion17 decks32 decks
44%synergy
Cover of Darkness
50%inclusion16 decks32 decks
47%synergy
Conspiracy
47%inclusion15 decks32 decks
46%synergy
Warleader's Call
44%inclusion14 decks32 decks
32%synergy
Impact Tremors
38%inclusion12 decks32 decks
22%synergy
Anointed Procession
28%inclusion9 decks32 decks
15%synergy
Windcrag Siege
26%inclusion5 decks19 decks
8%synergy
Descendants' Fury
19%inclusion6 decks32 decks
18%synergy
The Meathook Massacre
19%inclusion6 decks32 decks
14%synergy
All-Out Assault
16%inclusion3 decks19 decks
3%synergy
Aggravated Assault
16%inclusion5 decks32 decks
11%synergy
Cathars' Crusade
16%inclusion5 decks32 decks
9%synergy
Black Market Connections
16%inclusion5 decks32 decks
0%synergy
Ghostly Prison
13%inclusion4 decks32 decks
5%synergy
The Night of the Doctor
9.4%inclusion3 decks32 decks
9%synergy
Bitter Reunion
9.4%inclusion3 decks32 decks
7%synergy
Sneak Attack
9.4%inclusion3 decks32 decks
7%synergy
Rising of the Day
9.4%inclusion3 decks32 decks
0%synergy
Planeswalkers
Dihada, Binder of Wills
31%inclusion10 decks32 decks
27%synergy
Utility Lands
Command Beacon
28%inclusion9 decks32 decks
22%synergy
Arena of Glory
28%inclusion9 decks32 decks
21%synergy
Vault of the Archangel
28%inclusion9 decks32 decks
6%synergy
Urborg, Tomb of Yawgmoth
25%inclusion8 decks32 decks
11%synergy
Rogue's Passage
25%inclusion8 decks32 decks
2%synergy
Spymaster's Vault
22%inclusion7 decks32 decks
20%synergy
Minas Tirith
22%inclusion7 decks32 decks
13%synergy
Bojuka Bog
19%inclusion6 decks32 decks
-12%synergy
High Market
16%inclusion5 decks32 decks
12%synergy
Shizo, Death's Storehouse
16%inclusion5 decks32 decks
8%synergy
Three Tree City
13%inclusion4 decks30 decks
7%synergy
Takenuma, Abandoned Mire
13%inclusion4 decks32 decks
5%synergy
Phyrexian Tower
13%inclusion4 decks32 decks
3%synergy
Minas Morgul, Dark Fortress
9.4%inclusion3 decks32 decks
9%synergy
Access Tunnel
9.4%inclusion3 decks32 decks
8%synergy
Mana Artifacts
Arcane Signet
81%inclusion26 decks32 decks
-5%synergy
Sol Ring
81%inclusion26 decks32 decks
-8%synergy
Talisman of Indulgence
44%inclusion14 decks32 decks
7%synergy
Talisman of Hierarchy
41%inclusion13 decks32 decks
0%synergy
Talisman of Conviction
38%inclusion12 decks32 decks
-4%synergy
Fellwar Stone
25%inclusion8 decks32 decks
-3%synergy
Boros Signet
22%inclusion7 decks32 decks
-7%synergy
Rakdos Signet
16%inclusion5 decks32 decks
-15%synergy
Orzhov Signet
16%inclusion5 decks32 decks
-17%synergy
Patchwork Banner
10%inclusion3 decks30 decks
5%synergy
Commander's Sphere
9.4%inclusion3 decks32 decks
-6%synergy
Lands
Command Tower
94%inclusion30 decks32 decks
1%synergy
Blood Crypt
66%inclusion21 decks32 decks
22%synergy
Exotic Orchard
66%inclusion21 decks32 decks
14%synergy
Brotherhood Headquarters
59%inclusion19 decks32 decks
58%synergy
Raucous Theater
59%inclusion19 decks32 decks
50%synergy
Path of Ancestry
59%inclusion19 decks32 decks
22%synergy
Sacred Foundry
59%inclusion19 decks32 decks
15%synergy
Godless Shrine
56%inclusion18 decks32 decks
9%synergy
Elegant Parlor
53%inclusion17 decks32 decks
44%synergy
Bloodstained Mire
53%inclusion17 decks32 decks
21%synergy
Shadowy Backstreet
47%inclusion15 decks32 decks
37%synergy
Vault of Champions
47%inclusion15 decks32 decks
13%synergy
Arid Mesa
44%inclusion14 decks32 decks
12%synergy
Marsh Flats
41%inclusion13 decks32 decks
9%synergy
Luxury Suite
41%inclusion13 decks32 decks
9%synergy
Spectator Seating
41%inclusion13 decks32 decks
8%synergy
Clifftop Retreat
41%inclusion13 decks32 decks
-9%synergy
Isolated Chapel
41%inclusion13 decks32 decks
-11%synergy
Savai Triome
38%inclusion12 decks32 decks
-1%synergy
Battlefield Forge
38%inclusion12 decks32 decks
-2%synergy
Dragonskull Summit
34%inclusion11 decks32 decks
-17%synergy
Nomad Outpost
34%inclusion11 decks32 decks
-24%synergy
Haunted Ridge
25%inclusion8 decks32 decks
5%synergy
Tainted Peak
22%inclusion7 decks32 decks
11%synergy
Fetid Heath
22%inclusion7 decks32 decks
2%synergy
Sulfurous Springs
22%inclusion7 decks32 decks
-5%synergy
Smoldering Marsh
22%inclusion7 decks32 decks
-14%synergy
Caves of Koilos
22%inclusion7 decks32 decks
-18%synergy
Graven Cairns
19%inclusion6 decks32 decks
8%synergy
Tainted Field
19%inclusion6 decks32 decks
7%synergy
Rugged Prairie
19%inclusion6 decks32 decks
3%synergy
Shattered Sanctum
19%inclusion6 decks32 decks
-5%synergy
Cavern of Souls
16%inclusion5 decks32 decks
6%synergy
Shattered Landscape
16%inclusion5 decks32 decks
-4%synergy
Mount Doom
13%inclusion4 decks32 decks
9%synergy
Blackcleave Cliffs
13%inclusion4 decks32 decks
6%synergy
Polluted Delta
13%inclusion4 decks32 decks
6%synergy
Secluded Courtyard
13%inclusion4 decks32 decks
5%synergy
Fabled Passage
13%inclusion4 decks32 decks
4%synergy
Desolate Mire
13%inclusion4 decks32 decks
1%synergy
Rakdos Carnarium
13%inclusion4 decks32 decks
0%synergy
Orzhov Basilica
13%inclusion4 decks32 decks
-2%synergy
Shadowblood Ridge
13%inclusion4 decks32 decks
-3%synergy
Sundown Pass
13%inclusion4 decks32 decks
-8%synergy
Evolving Wilds
13%inclusion4 decks32 decks
-14%synergy
Hidden Grotto
10%inclusion3 decks30 decks
10%synergy
Conduit Pylons
9.4%inclusion3 decks32 decks
9%synergy
Spire of Industry
9.4%inclusion3 decks32 decks
6%synergy
Sunscorched Divide
9.4%inclusion3 decks32 decks
4%synergy
Scalding Tarn
9.4%inclusion3 decks32 decks
3%synergy