Altaïr Ibn-La'Ahad
Éomer, Marshal of Rohan
Altar of Dementia
Maskwood Nexus
1

   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
Top Commanders
Altaïr Ibn-La'Ahad
0.41% of 3931 decks 16 decks
New Cards
All-Out Assault
50% of 2 decks +36% synergy
Neriv, Heart of the Storm
50% of 2 decks +43% synergy
Zurgo Stormrender
50% of 2 decks +40% synergy
High Synergy Cards
Desmond Miles
93% of 15 decks +91% synergy
Massacre Girl, Known Killer
81% of 16 decks +78% synergy
Roshan, Hidden Magister
80% of 15 decks +78% synergy
Olivia, Opulent Outlaw
80% of 15 decks +75% synergy
Conspiracy
75% of 16 decks +74% synergy
Ruthless Lawbringer
80% of 15 decks +74% synergy
Layla Hassan
73% of 15 decks +72% synergy
Ripples of Undeath
73% of 15 decks +71% synergy
Bayek of Siwa
73% of 15 decks +70% synergy
Queen Marchesa
75% of 16 decks +68% synergy
Top Cards
Lightning Greaves
81% of 16 decks +48% synergy
Faithless Looting
75% of 16 decks +59% synergy
The Animus
69% of 16 decks +67% synergy
The Master, Multiplied
69% of 16 decks +66% synergy
Mari, the Killing Quill
69% of 16 decks +62% synergy
Isshin, Two Heavens as One
69% of 16 decks +55% synergy
Swiftfoot Boots
69% of 16 decks +37% synergy
Ashes of the Fallen
62% of 16 decks +62% synergy
Unscrupulous Contractor
60% of 15 decks +59% synergy
Arno Dorian
60% of 15 decks +57% synergy
Game Changers
Enlightened Tutor
19% of 16 decks +5% synergy
Vampiric Tutor
19% of 16 decks +2% synergy
Demonic Tutor
19% of 16 decks -3% synergy
Teferi's Protection
19% of 16 decks -5% synergy
Creatures
Unstoppable Slasher
57% of 7 decks +55% synergy
Aya of Alexandria
53% of 15 decks +50% synergy
Raffine's Silencer
50% of 16 decks +49% synergy
Fleshtaker
50% of 16 decks +49% synergy
Nekrataal
50% of 16 decks +49% synergy
Murderous Redcap
50% of 16 decks +48% synergy
Anger
50% of 16 decks +45% synergy
Ravenloft Adventurer
38% of 16 decks +37% synergy
Big Game Hunter
38% of 16 decks +36% synergy
Port Razer
38% of 16 decks +36% synergy
Vein Ripper
38% of 16 decks +33% synergy
Roaming Throne
38% of 16 decks +30% synergy
Arbaaz Mir
33% of 15 decks +30% synergy
Doom Whisperer
31% of 16 decks +29% synergy
Mondrak, Glory Dominus
31% of 16 decks +19% synergy
Merciless Harlequin
27% of 15 decks +25% synergy
Garza's Assassin
25% of 16 decks +24% synergy
Virtus the Veiled
25% of 16 decks +24% synergy
Undercity Eliminator
25% of 16 decks +24% synergy
Combustible Gearhulk
25% of 16 decks +23% synergy
General's Enforcer
25% of 16 decks +16% synergy
Angel of Indemnity
20% of 15 decks +19% synergy
Assassin Initiate
20% of 15 decks +19% synergy
Body Launderer
19% of 16 decks +18% synergy
Guildsworn Prowler
19% of 16 decks +18% synergy
Vile Entomber
19% of 16 decks +17% synergy
Goblin Engineer
19% of 16 decks +16% synergy
Boromir, Warden of the Tower
19% of 16 decks +15% synergy
Ratadrabik of Urborg
19% of 16 decks +15% synergy
Karmic Guide
19% of 16 decks +13% synergy
Ojer Taq, Deepest Foundation
19% of 16 decks +12% synergy
Viscera Seer
19% of 16 decks +7% synergy
Pitiless Plunderer
19% of 16 decks +4% synergy
Esper Sentinel
19% of 16 decks -1% synergy
Instants
Entomb
50% of 16 decks +44% synergy
Thrill of Possibility
44% of 16 decks +34% synergy
Path to Exile
44% of 16 decks -3% synergy
Swords to Plowshares
38% of 16 decks -26% synergy
Great Train Heist
33% of 15 decks +28% synergy
Plumb the Forbidden
25% of 16 decks +21% synergy
Demand Answers
25% of 16 decks +20% synergy
Blacksmith's Skill
19% of 16 decks +17% synergy
Surge of Salvation
19% of 16 decks +17% synergy
Big Score
19% of 16 decks +11% synergy
Chaos Warp
19% of 16 decks +1% synergy
Sorceries
Overpowering Attack
53% of 15 decks +50% synergy
Buried Alive
50% of 16 decks +45% synergy
Seize the Day
38% of 16 decks +36% synergy
Cathartic Reunion
31% of 16 decks +27% synergy
Blasphemous Act
31% of 16 decks +9% synergy
Thrilling Discovery
25% of 16 decks +22% synergy
Unmarked Grave
19% of 16 decks +17% synergy
Utility Artifacts
Brotherhood Regalia
40% of 15 decks +36% synergy
Haystack
25% of 16 decks +23% synergy
Brass's Tunnel-Grinder
25% of 16 decks +23% synergy
Strionic Resonator
25% of 16 decks +22% synergy
Ashnod's Altar
25% of 16 decks +18% synergy
Lavaspur Boots
20% of 15 decks +17% synergy
Palantír of Orthanc
19% of 16 decks +18% synergy
Whip of Erebos
19% of 16 decks +15% synergy
Phyrexian Altar
19% of 16 decks +13% synergy
Enchantments
Goblin Bombardment
50% of 16 decks +43% synergy
Cover of Darkness
44% of 16 decks +41% synergy
Warleader's Call
38% of 16 decks +26% synergy
Anointed Procession
38% of 16 decks +23% synergy
The Meathook Massacre
31% of 16 decks +26% synergy
Reconnaissance
31% of 16 decks +23% synergy
Impact Tremors
25% of 16 decks +13% synergy
Aggravated Assault
19% of 16 decks +14% synergy
Cathars' Crusade
19% of 16 decks +12% synergy
Black Market Connections
19% of 16 decks +3% synergy
Phyrexian Arena
19% of 16 decks -2% synergy
Planeswalkers
Dihada, Binder of Wills
38% of 16 decks +33% synergy
Utility Lands
Vault of the Archangel
38% of 16 decks +17% synergy
Urborg, Tomb of Yawgmoth
31% of 16 decks +16% synergy
Arena of Glory
27% of 15 decks +20% synergy
Shizo, Death's Storehouse
25% of 16 decks +16% synergy
Takenuma, Abandoned Mire
25% of 16 decks +16% synergy
Minas Tirith
25% of 16 decks +15% synergy
Rogue's Passage
25% of 16 decks +3% synergy
Bojuka Bog
25% of 16 decks -7% synergy
High Market
19% of 16 decks +17% synergy
Phyrexian Tower
19% of 16 decks +10% synergy
Mana Artifacts
Arcane Signet
88% of 16 decks +1% synergy
Talisman of Conviction
69% of 16 decks +30% synergy
Sol Ring
69% of 16 decks -21% synergy
Talisman of Indulgence
62% of 16 decks +28% synergy
Talisman of Hierarchy
62% of 16 decks +22% synergy
Boros Signet
38% of 16 decks +2% synergy
Rakdos Signet
31% of 16 decks -6% synergy
Orzhov Signet
25% of 16 decks -14% synergy
Chromatic Lantern
19% of 16 decks +5% synergy
Fellwar Stone
19% of 16 decks -9% synergy
Lands
Command Tower
94% of 16 decks +2% synergy
Blood Crypt
88% of 16 decks +43% synergy
Godless Shrine
81% of 16 decks +35% synergy
Raucous Theater
75% of 16 decks +66% synergy
Bloodstained Mire
75% of 16 decks +44% synergy
Path of Ancestry
75% of 16 decks +40% synergy
Shadowy Backstreet
69% of 16 decks +59% synergy
Sacred Foundry
69% of 16 decks +25% synergy
Brotherhood Headquarters
67% of 15 decks +65% synergy
Elegant Parlor
62% of 16 decks +54% synergy
Luxury Suite
62% of 16 decks +28% synergy
Vault of Champions
62% of 16 decks +26% synergy
Exotic Orchard
62% of 16 decks +13% synergy
Arid Mesa
56% of 16 decks +24% synergy
Spectator Seating
50% of 16 decks +15% synergy
Savai Triome
50% of 16 decks +9% synergy
Marsh Flats
44% of 16 decks +11% synergy
Battlefield Forge
44% of 16 decks +7% synergy
Haunted Ridge
38% of 16 decks +18% synergy
Clifftop Retreat
38% of 16 decks -6% synergy
Dragonskull Summit
38% of 16 decks -10% synergy
Tainted Peak
31% of 16 decks +21% synergy
Sundown Pass
31% of 16 decks +10% synergy
Nomad Outpost
31% of 16 decks -26% synergy
Blightstep Pathway
25% of 16 decks +15% synergy
Brightclimb Pathway
25% of 16 decks +14% synergy
Shattered Sanctum
25% of 16 decks +4% synergy
Smoldering Marsh
25% of 16 decks -8% synergy
Caves of Koilos
25% of 16 decks -15% synergy
Isolated Chapel
25% of 16 decks -22% synergy
Conduit Pylons
20% of 15 decks +20% synergy
Mount Doom
19% of 16 decks +14% synergy
Wooded Foothills
19% of 16 decks +12% synergy
Scalding Tarn
19% of 16 decks +12% synergy
Flooded Strand
19% of 16 decks +12% synergy
Polluted Delta
19% of 16 decks +12% synergy
Needleverge Pathway
19% of 16 decks +9% synergy
Cavern of Souls
19% of 16 decks +9% synergy
Tainted Field
19% of 16 decks +7% synergy