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%inclusion31 decks5.63K decks
New Cards
Curious Colossus
33%inclusion1 decks3 decks
33%synergy
Kinbinding
33%inclusion1 decks3 decks
31%synergy
Raphael, Tag Team Tough
11%inclusion1 decks9 decks
11%synergy
High Synergy Cards
Olivia, Opulent Outlaw
90%inclusion28 decks31 decks
86%synergy
Ruthless Lawbringer
90%inclusion28 decks31 decks
85%synergy
The Animus
84%inclusion26 decks31 decks
82%synergy
Desmond Miles
84%inclusion26 decks31 decks
82%synergy
Layla Hassan
74%inclusion23 decks31 decks
73%synergy
The Master, Multiplied
74%inclusion23 decks31 decks
72%synergy
Queen Marchesa
77%inclusion24 decks31 decks
71%synergy
Arno Dorian
71%inclusion22 decks31 decks
69%synergy
Mari, the Killing Quill
74%inclusion23 decks31 decks
67%synergy
Bayek of Siwa
68%inclusion21 decks31 decks
65%synergy
Top Cards
Faithless Looting
74%inclusion23 decks31 decks
59%synergy
Lightning Greaves
71%inclusion22 decks31 decks
37%synergy
Buried Alive
68%inclusion21 decks31 decks
62%synergy
Massacre Girl, Known Killer
65%inclusion20 decks31 decks
62%synergy
Maskwood Nexus
61%inclusion19 decks31 decks
60%synergy
Aya of Alexandria
61%inclusion19 decks31 decks
59%synergy
Overpowering Attack
61%inclusion19 decks31 decks
59%synergy
Reconnaissance
61%inclusion19 decks31 decks
50%synergy
Shadow, Mysterious Assassin
59%inclusion10 decks17 decks
54%synergy
Ripples of Undeath
58%inclusion18 decks31 decks
54%synergy
Game Changers
Demonic Tutor
16%inclusion5 decks31 decks
-3%synergy
Enlightened Tutor
13%inclusion4 decks31 decks
1%synergy
Teferi's Protection
13%inclusion4 decks31 decks
-7%synergy
Vampiric Tutor
10%inclusion3 decks31 decks
-5%synergy
Smothering Tithe
10%inclusion3 decks31 decks
-16%synergy
Creatures
Isshin, Two Heavens as One
58%inclusion18 decks31 decks
41%synergy
Unscrupulous Contractor
55%inclusion17 decks31 decks
54%synergy
Port Razer
55%inclusion17 decks31 decks
53%synergy
Murderous Redcap
55%inclusion17 decks31 decks
51%synergy
Big Game Hunter
52%inclusion16 decks31 decks
50%synergy
Anger
52%inclusion16 decks31 decks
44%synergy
Unstoppable Slasher
50%inclusion12 decks24 decks
48%synergy
Roaming Throne
48%inclusion15 decks31 decks
42%synergy
Ravenloft Adventurer
45%inclusion14 decks31 decks
44%synergy
Undercity Eliminator
42%inclusion13 decks31 decks
41%synergy
Nekrataal
42%inclusion13 decks31 decks
41%synergy
Vein Ripper
42%inclusion13 decks31 decks
38%synergy
Arbaaz Mir
39%inclusion12 decks31 decks
37%synergy
Virtus the Veiled
35%inclusion11 decks31 decks
35%synergy
Merciless Harlequin
35%inclusion11 decks31 decks
34%synergy
Zurgo Stormrender
33%inclusion6 decks18 decks
24%synergy
Raffine's Silencer
32%inclusion10 decks31 decks
32%synergy
Fleshtaker
32%inclusion10 decks31 decks
31%synergy
Garza's Assassin
29%inclusion9 decks31 decks
28%synergy
Neriv, Heart of the Storm
28%inclusion5 decks18 decks
22%synergy
Mondrak, Glory Dominus
26%inclusion8 decks31 decks
14%synergy
Viscera Seer
26%inclusion8 decks31 decks
12%synergy
Guildsworn Prowler
23%inclusion7 decks31 decks
22%synergy
The Lord of Pain
22%inclusion5 decks23 decks
21%synergy
Massacre Girl
19%inclusion6 decks31 decks
17%synergy
Ratadrabik of Urborg
19%inclusion6 decks31 decks
17%synergy
Assassin Initiate
16%inclusion5 decks31 decks
15%synergy
Vile Entomber
16%inclusion5 decks31 decks
14%synergy
Boromir, Warden of the Tower
16%inclusion5 decks31 decks
13%synergy
Ojer Taq, Deepest Foundation
16%inclusion5 decks31 decks
10%synergy
Body Launderer
13%inclusion4 decks31 decks
13%synergy
Silent Arbiter
13%inclusion4 decks31 decks
12%synergy
Angel of Indemnity
13%inclusion4 decks31 decks
12%synergy
Thorn of the Black Rose
13%inclusion4 decks31 decks
12%synergy
Doom Whisperer
13%inclusion4 decks31 decks
11%synergy
Mirror Entity
13%inclusion4 decks31 decks
10%synergy
Stitcher's Supplier
13%inclusion4 decks31 decks
8%synergy
Karmic Guide
13%inclusion4 decks31 decks
6%synergy
General's Enforcer
13%inclusion4 decks31 decks
4%synergy
Mirkwood Bats
13%inclusion4 decks31 decks
-5%synergy
Esper Sentinel
13%inclusion4 decks31 decks
-5%synergy
Razorkin Needlehead
13%inclusion3 decks24 decks
12%synergy
Changeling Hero
10%inclusion3 decks31 decks
10%synergy
Changeling Berserker
10%inclusion3 decks31 decks
10%synergy
Irregular Cohort
10%inclusion3 decks31 decks
9%synergy
Gravebreaker Lamia
10%inclusion3 decks31 decks
9%synergy
Kelsien, the Plague
10%inclusion3 decks31 decks
9%synergy
Éowyn, Fearless Knight
10%inclusion3 decks31 decks
8%synergy
Millikin
10%inclusion3 decks31 decks
7%synergy
Syr Konrad, the Grim
10%inclusion3 decks31 decks
6%synergy
Instants
Entomb
48%inclusion15 decks31 decks
42%synergy
Path to Exile
45%inclusion14 decks31 decks
-2%synergy
Swords to Plowshares
45%inclusion14 decks31 decks
-17%synergy
Thrill of Possibility
39%inclusion12 decks31 decks
31%synergy
Demand Answers
32%inclusion10 decks31 decks
27%synergy
Deadly Dispute
29%inclusion9 decks31 decks
6%synergy
Akroma's Will
19%inclusion6 decks31 decks
6%synergy
Chaos Warp
19%inclusion6 decks31 decks
3%synergy
Anguished Unmaking
19%inclusion6 decks31 decks
-15%synergy
Plumb the Forbidden
16%inclusion5 decks31 decks
13%synergy
Great Train Heist
16%inclusion5 decks31 decks
12%synergy
Big Score
16%inclusion5 decks31 decks
6%synergy
Deflecting Swat
16%inclusion5 decks31 decks
1%synergy
Dawn's Truce
14%inclusion4 decks29 decks
7%synergy
Surge of Salvation
13%inclusion4 decks31 decks
12%synergy
Blacksmith's Skill
13%inclusion4 decks31 decks
12%synergy
Malakir Rebirth
13%inclusion4 decks31 decks
8%synergy
Fell the Profane
13%inclusion4 decks31 decks
7%synergy
Village Rites
13%inclusion4 decks31 decks
2%synergy
Boros Charm
13%inclusion4 decks31 decks
-17%synergy
Razorgrass Ambush
10%inclusion3 decks31 decks
9%synergy
Reprieve
10%inclusion3 decks31 decks
7%synergy
Valakut Awakening
10%inclusion3 decks31 decks
7%synergy
Pyroblast
10%inclusion3 decks31 decks
5%synergy
Terminate
10%inclusion3 decks31 decks
-3%synergy
Sorceries
Cathartic Reunion
42%inclusion13 decks31 decks
38%synergy
Blasphemous Act
35%inclusion11 decks31 decks
13%synergy
Seize the Day
29%inclusion9 decks31 decks
28%synergy
Thrilling Discovery
23%inclusion7 decks31 decks
20%synergy
Grab the Prize
17%inclusion4 decks24 decks
16%synergy
Unmarked Grave
16%inclusion5 decks31 decks
15%synergy
Ruinous Ultimatum
16%inclusion5 decks31 decks
-23%synergy
Restart Sequence
13%inclusion4 decks31 decks
12%synergy
Tormenting Voice
13%inclusion4 decks31 decks
11%synergy
Sundering Eruption
13%inclusion4 decks31 decks
10%synergy
Mythos of Snapdax
13%inclusion4 decks31 decks
7%synergy
Sevinne's Reclamation
13%inclusion4 decks31 decks
5%synergy
Damn
13%inclusion4 decks31 decks
-5%synergy
Incarnation Technique
10%inclusion3 decks31 decks
9%synergy
Toxic Deluge
10%inclusion3 decks31 decks
1%synergy
Utility Artifacts
Ashes of the Fallen
55%inclusion17 decks31 decks
55%synergy
Swiftfoot Boots
48%inclusion15 decks31 decks
17%synergy
Brotherhood Regalia
42%inclusion13 decks31 decks
39%synergy
Key to the City
29%inclusion9 decks31 decks
25%synergy
Sundial of the Infinite
26%inclusion8 decks31 decks
25%synergy
Mirror Box
16%inclusion5 decks31 decks
16%synergy
Haystack
16%inclusion5 decks31 decks
15%synergy
Brass's Tunnel-Grinder
16%inclusion5 decks31 decks
14%synergy
Strionic Resonator
16%inclusion5 decks31 decks
13%synergy
Whispersilk Cloak
16%inclusion5 decks31 decks
10%synergy
Basilisk Collar
13%inclusion4 decks31 decks
9%synergy
Smoke Bomb
10%inclusion3 decks31 decks
9%synergy
Palantír of Orthanc
10%inclusion3 decks31 decks
9%synergy
The Spear of Leonidas
10%inclusion3 decks31 decks
9%synergy
Helm of the Host
10%inclusion3 decks31 decks
4%synergy
Herald's Horn
10%inclusion3 decks31 decks
3%synergy
Ashnod's Altar
10%inclusion3 decks31 decks
2%synergy
Enchantments
Goblin Bombardment
55%inclusion17 decks31 decks
46%synergy
Cover of Darkness
52%inclusion16 decks31 decks
49%synergy
Conspiracy
48%inclusion15 decks31 decks
48%synergy
Warleader's Call
45%inclusion14 decks31 decks
33%synergy
Impact Tremors
39%inclusion12 decks31 decks
23%synergy
Anointed Procession
29%inclusion9 decks31 decks
16%synergy
Windcrag Siege
28%inclusion5 decks18 decks
9%synergy
Descendants' Fury
19%inclusion6 decks31 decks
19%synergy
The Meathook Massacre
19%inclusion6 decks31 decks
14%synergy
All-Out Assault
17%inclusion3 decks18 decks
5%synergy
Aggravated Assault
16%inclusion5 decks31 decks
11%synergy
Cathars' Crusade
16%inclusion5 decks31 decks
9%synergy
Black Market Connections
16%inclusion5 decks31 decks
0%synergy
Ghostly Prison
13%inclusion4 decks31 decks
6%synergy
The Night of the Doctor
10%inclusion3 decks31 decks
10%synergy
Bitter Reunion
10%inclusion3 decks31 decks
8%synergy
Sneak Attack
10%inclusion3 decks31 decks
7%synergy
Planeswalkers
Dihada, Binder of Wills
32%inclusion10 decks31 decks
28%synergy
Utility Lands
Vault of the Archangel
29%inclusion9 decks31 decks
6%synergy
Command Beacon
26%inclusion8 decks31 decks
20%synergy
Arena of Glory
26%inclusion8 decks31 decks
19%synergy
Rogue's Passage
26%inclusion8 decks31 decks
2%synergy
Minas Tirith
23%inclusion7 decks31 decks
14%synergy
Urborg, Tomb of Yawgmoth
23%inclusion7 decks31 decks
9%synergy
Spymaster's Vault
19%inclusion6 decks31 decks
18%synergy
Bojuka Bog
19%inclusion6 decks31 decks
-12%synergy
High Market
16%inclusion5 decks31 decks
12%synergy
Shizo, Death's Storehouse
16%inclusion5 decks31 decks
9%synergy
Three Tree City
14%inclusion4 decks29 decks
8%synergy
Takenuma, Abandoned Mire
13%inclusion4 decks31 decks
5%synergy
Phyrexian Tower
13%inclusion4 decks31 decks
3%synergy
Access Tunnel
10%inclusion3 decks31 decks
8%synergy
Mana Artifacts
Arcane Signet
84%inclusion26 decks31 decks
-2%synergy
Sol Ring
84%inclusion26 decks31 decks
-5%synergy
Talisman of Indulgence
45%inclusion14 decks31 decks
8%synergy
Talisman of Hierarchy
42%inclusion13 decks31 decks
1%synergy
Talisman of Conviction
39%inclusion12 decks31 decks
-3%synergy
Fellwar Stone
26%inclusion8 decks31 decks
-2%synergy
Boros Signet
23%inclusion7 decks31 decks
-6%synergy
Rakdos Signet
16%inclusion5 decks31 decks
-14%synergy
Orzhov Signet
16%inclusion5 decks31 decks
-16%synergy
Patchwork Banner
10%inclusion3 decks29 decks
5%synergy
Commander's Sphere
10%inclusion3 decks31 decks
-5%synergy
Lands
Command Tower
94%inclusion29 decks31 decks
1%synergy
Exotic Orchard
68%inclusion21 decks31 decks
16%synergy
Blood Crypt
65%inclusion20 decks31 decks
21%synergy
Brotherhood Headquarters
58%inclusion18 decks31 decks
57%synergy
Raucous Theater
58%inclusion18 decks31 decks
48%synergy
Path of Ancestry
58%inclusion18 decks31 decks
20%synergy
Sacred Foundry
58%inclusion18 decks31 decks
14%synergy
Godless Shrine
55%inclusion17 decks31 decks
8%synergy
Elegant Parlor
52%inclusion16 decks31 decks
42%synergy
Bloodstained Mire
52%inclusion16 decks31 decks
19%synergy
Vault of Champions
48%inclusion15 decks31 decks
15%synergy
Shadowy Backstreet
45%inclusion14 decks31 decks
35%synergy
Arid Mesa
42%inclusion13 decks31 decks
11%synergy
Luxury Suite
42%inclusion13 decks31 decks
10%synergy
Spectator Seating
42%inclusion13 decks31 decks
10%synergy
Clifftop Retreat
42%inclusion13 decks31 decks
-9%synergy
Isolated Chapel
42%inclusion13 decks31 decks
-11%synergy
Marsh Flats
39%inclusion12 decks31 decks
7%synergy
Battlefield Forge
39%inclusion12 decks31 decks
-1%synergy
Savai Triome
35%inclusion11 decks31 decks
-3%synergy
Dragonskull Summit
35%inclusion11 decks31 decks
-16%synergy
Nomad Outpost
35%inclusion11 decks31 decks
-23%synergy
Haunted Ridge
26%inclusion8 decks31 decks
6%synergy
Tainted Peak
23%inclusion7 decks31 decks
12%synergy
Fetid Heath
23%inclusion7 decks31 decks
2%synergy
Sulfurous Springs
23%inclusion7 decks31 decks
-5%synergy
Smoldering Marsh
23%inclusion7 decks31 decks
-14%synergy
Caves of Koilos
23%inclusion7 decks31 decks
-17%synergy
Graven Cairns
19%inclusion6 decks31 decks
8%synergy
Tainted Field
19%inclusion6 decks31 decks
7%synergy
Rugged Prairie
19%inclusion6 decks31 decks
3%synergy
Shattered Sanctum
19%inclusion6 decks31 decks
-4%synergy
Shattered Landscape
16%inclusion5 decks31 decks
-3%synergy
Mount Doom
13%inclusion4 decks31 decks
9%synergy
Blackcleave Cliffs
13%inclusion4 decks31 decks
7%synergy
Polluted Delta
13%inclusion4 decks31 decks
6%synergy
Secluded Courtyard
13%inclusion4 decks31 decks
5%synergy
Fabled Passage
13%inclusion4 decks31 decks
5%synergy
Cavern of Souls
13%inclusion4 decks31 decks
3%synergy
Desolate Mire
13%inclusion4 decks31 decks
1%synergy
Shadowblood Ridge
13%inclusion4 decks31 decks
-2%synergy
Sundown Pass
13%inclusion4 decks31 decks
-8%synergy
Evolving Wilds
13%inclusion4 decks31 decks
-14%synergy
Hidden Grotto
10%inclusion3 decks29 decks
10%synergy
Conduit Pylons
10%inclusion3 decks31 decks
9%synergy
Spire of Industry
10%inclusion3 decks31 decks
6%synergy
Scalding Tarn
10%inclusion3 decks31 decks
4%synergy
Sunscorched Divide
10%inclusion3 decks31 decks
4%synergy
Wooded Foothills
10%inclusion3 decks31 decks
3%synergy
Flooded Strand
10%inclusion3 decks31 decks
3%synergy