River Kelpie + Mikaeus, the Unhallowed + Altar of Dementia

River Kelpie
Mikaeus, the Unhallowed
Altar of Dementia

Requires
River Kelpie must be on the battlefield. Mikaeus, the Unhallowed must be on the battlefield. Altar of Dementia must be on the battlefield.
Steps
  1. Activate Altar of Dementia by sacrificing River Kelpie.
  2. River Kelpie's persist and undying abilities trigger.
  3. Resolve the persist trigger, returning River Kelpie from your graveyard to the battlefield with a -1/-1 counter on it.
  4. River Kelpie enters the battlefield, causing you to draw.
  5. The undying trigger fails to resolve because River Kelpie is not in your graveyard.
  6. Resolve the Altar of Dementia trigger, causing target player to mill cards equal to River Kelpie's power.
  7. Activate Altar of Dementia by sacrificing River Kelpie.
  8. River Kelpie's undying and persist abilities trigger.
  9. Resolve the undying trigger, returning River Kelpie from your graveyard to the battlefield with a +1/+1 counter on it.
  10. River Kelpie enters the battlefield, causing you to draw a card.
  11. The persist trigger fails to resolve because River Kelpie is not in your graveyard.
  12. Resolve the Altar of Dementia trigger, causing target player to mill cards equal to River Kelpie's power.
  13. Repeat.
Results
Infinite card draw. Near-infinite death triggers. Near-infinite ETB. Near-infinite LTB. Near-infinite mill. Near-infinite sacrifice triggers.

Teval, the Balanced Scale
0.23% of 6924 decks 16 decks
Kotis, Sibsig Champion
1.38% of 289 decks 4 decks
Top Commanders
Marchesa, the Black Rose
2.70% of 10361 decks 280 decks
Muldrotha, the Gravetide
1.55% of 17624 decks 273 decks
Zur the Enchanter
0.13% of 11996 decks 16 decks
Sedris, the Traitor King
0.48% of 1869 decks 9 decks
Missy
0.35% of 2257 decks 8 decks
Wilhelt, the Rotcleaver
0.04% of 19637 decks 7 decks
Gisa and Geralf
0.09% of 5322 decks 5 decks
Kenrith, the Returned King
0.02% of 23932 decks 4 decks
The Scarab God
0.04% of 11253 decks 4 decks
The Wise Mothman
0.02% of 18097 decks 4 decks
The Master, Formed Anew
0.50% of 598 decks 3 decks
Ghost of Ramirez DePietro // Tormod, the Desecrator
0.34% of 582 decks 2 decks
Bane, Lord of Darkness
0.09% of 2134 decks 2 decks
Thraximundar
0.10% of 1989 decks 2 decks
Nevinyrral, Urborg Tyrant
0.06% of 1585 decks 1 decks
Kyodai, Soul of Kamigawa
0.05% of 2039 decks 1 decks
New Cards
Colossal Grave-Reaver
46% of 39 decks +40% synergy
Kheru Goldkeeper
44% of 34 decks +37% synergy
Teval's Judgment
35% of 60 decks +32% synergy
Will of the Sultai
31% of 39 decks +29% synergy
Steward of the Harvest
26% of 39 decks +24% synergy
High Synergy Cards
Kitchen Finks
80% of 10 decks +80% synergy
Flayer of the Hatebound
79% of 308 decks +78% synergy
Spore Frog
73% of 312 decks +71% synergy
Solemnity
70% of 37 decks +69% synergy
Goblin Bombardment
73% of 308 decks +67% synergy
Glen Elendra Archmage
65% of 669 decks +63% synergy
Luminous Broodmoth
65% of 37 decks +63% synergy
Pernicious Deed
64% of 312 decks +63% synergy
Seal of Primordium
62% of 312 decks +61% synergy
Uncivil Unrest
62% of 308 decks +61% synergy
Top Cards
Eternal Witness
76% of 312 decks +56% synergy
Rhythm of the Wild
71% of 7 decks +48% synergy
Sakura-Tribe Elder
69% of 312 decks +51% synergy
Blasphemous Act
66% of 308 decks +33% synergy
Ashnod's Altar
65% of 669 decks +58% synergy
Heartmender
60% of 10 decks +60% synergy
Safehold Elite
60% of 10 decks +60% synergy
Good-Fortune Unicorn
60% of 10 decks +57% synergy
Grumgully, the Generous
57% of 7 decks +55% synergy
Phyrexian Altar
53% of 669 decks +49% synergy
Game Changers
Rhystic Study
39% of 669 decks +12% synergy
Cyclonic Rift
39% of 669 decks +12% synergy
Enlightened Tutor
38% of 37 decks +21% synergy
Demonic Tutor
32% of 669 decks +10% synergy
Vampiric Tutor
24% of 669 decks +7% synergy
Ancient Tomb
17% of 669 decks +7% synergy
Trouble in Pairs
13% of 30 decks +8% synergy
Glacial Chasm
12% of 669 decks +11% synergy
Thassa's Oracle
11% of 669 decks +4% synergy
Survival of the Fittest
9% of 312 decks +8% synergy
Creatures
Viscera Seer
52% of 669 decks +43% synergy
Birds of Paradise
49% of 312 decks +21% synergy
Baleful Strix
48% of 669 decks +35% synergy
World Shaper
47% of 312 decks +44% synergy
The Gitrog Monster
46% of 312 decks +41% synergy
Underrealm Lich
46% of 312 decks +43% synergy
Haywire Mite
45% of 312 decks +41% synergy
Carrion Feeder
41% of 669 decks +37% synergy
Solemn Simulacrum
40% of 669 decks +26% synergy
Juri, Master of the Revue
39% of 308 decks +35% synergy
Gev, Scaled Scorch
38% of 138 decks +38% synergy
Mulldrifter
37% of 669 decks +32% synergy
Mahadi, Emporium Master
37% of 308 decks +30% synergy
Hermit Druid
35% of 312 decks +34% synergy
Grim Haruspex
32% of 669 decks +28% synergy
Plaguecrafter
31% of 669 decks +26% synergy
Thundering Raiju
31% of 308 decks +30% synergy
Gravebreaker Lamia
30% of 669 decks +29% synergy
Zealous Conscripts
30% of 308 decks +28% synergy
Dauthi Voidwalker
30% of 669 decks +22% synergy
Yahenni, Undying Partisan
30% of 669 decks +26% synergy
Sidisi, Brood Tyrant
29% of 312 decks +26% synergy
Braids, Arisen Nightmare
29% of 669 decks +22% synergy
Satyr Wayfinder
29% of 312 decks +27% synergy
Siren Stormtamer
28% of 669 decks +25% synergy
Meren of Clan Nel Toth
28% of 312 decks +25% synergy
Puppeteer Clique
28% of 669 decks +26% synergy
Doc Aurlock, Grizzled Genius
28% of 202 decks +24% synergy
Iron Apprentice
27% of 669 decks +27% synergy
Kithkin Spellduster
27% of 37 decks +27% synergy
Sun Titan
27% of 37 decks +18% synergy
Uro, Titan of Nature's Wrath
26% of 312 decks +21% synergy
Spark Double
26% of 669 decks +19% synergy
Floral Evoker
26% of 39 decks +24% synergy
Syr Konrad, the Grim
25% of 669 decks +16% synergy
Springbloom Druid
25% of 312 decks +21% synergy
Dryad of the Ilysian Grove
24% of 312 decks +17% synergy
Imperial Recruiter
24% of 308 decks +19% synergy
Auramancer
24% of 37 decks +23% synergy
Protean Hulk
24% of 312 decks +22% synergy
Dockside Extortionist
24% of 308 decks +16% synergy
Deathrite Shaman
23% of 312 decks +12% synergy
Kishla Skimmer
23% of 39 decks +20% synergy
Gray Merchant of Asphodel
23% of 669 decks +14% synergy
Herald of Secret Streams
23% of 669 decks +20% synergy
Drana, Liberator of Malakir
22% of 669 decks +20% synergy
Fiend Artisan
22% of 312 decks +20% synergy
Cankerbloom
22% of 312 decks +17% synergy
Ramunap Excavator
22% of 312 decks +15% synergy
Six
22% of 187 decks +16% synergy
Instants
Swords to Plowshares
51% of 37 decks -11% synergy
Chaos Warp
46% of 308 decks +15% synergy
Counterspell
39% of 669 decks -4% synergy
Teferi's Protection
35% of 37 decks +16% synergy
Path to Exile
32% of 37 decks -14% synergy
Assassin's Trophy
31% of 312 decks +1% synergy
Entomb
25% of 669 decks +18% synergy
Terminate
25% of 308 decks +5% synergy
Void Rend
19% of 37 decks +5% synergy
Mana Drain
19% of 669 decks +4% synergy
Fierce Guardianship
18% of 669 decks -0% synergy
Arcane Denial
17% of 669 decks -4% synergy
First Day of Class
17% of 308 decks +16% synergy
Anguished Unmaking
16% of 37 decks -8% synergy
An Offer You Can't Refuse
15% of 669 decks -6% synergy
Crop Rotation
15% of 312 decks +6% synergy
Swan Song
15% of 669 decks -2% synergy
Deflecting Swat
14% of 308 decks -2% synergy
Village Rites
14% of 669 decks +4% synergy
Dovin's Veto
14% of 37 decks -5% synergy
Negate
13% of 669 decks -9% synergy
Heroic Intervention
12% of 312 decks -17% synergy
Deadly Dispute
12% of 669 decks +1% synergy
Beast Within
12% of 312 decks -25% synergy
Bedevil
12% of 308 decks -2% synergy
Dark Ritual
11% of 669 decks -11% synergy
Act of Aggression
11% of 308 decks +11% synergy
Silence
11% of 37 decks +5% synergy
Harrow
11% of 312 decks +1% synergy
Deadly Rollick
9% of 669 decks -3% synergy
Rakdos Charm
8% of 308 decks -6% synergy
Argivian Find
8% of 37 decks +8% synergy
Worldly Tutor
8% of 312 decks -6% synergy
Grisly Salvage
7% of 312 decks +2% synergy
Withering Torment
7% of 277 decks -1% synergy
Feign Death
7% of 669 decks +5% synergy
Lethal Scheme
7% of 669 decks +5% synergy
Force of Will
7% of 669 decks -4% synergy
Brainstorm
7% of 669 decks -13% synergy
Plumb the Forbidden
6% of 669 decks +4% synergy
Malakir Rebirth
6% of 669 decks -2% synergy
Fell the Profane
6% of 375 decks -2% synergy
Fact or Fiction
6% of 669 decks -0% synergy
Mystical Tutor
6% of 669 decks -8% synergy
Slip Out the Back
6% of 669 decks +3% synergy
Putrefy
5% of 312 decks -10% synergy
Heritage Reclamation
5% of 37 decks +4% synergy
Flare of Denial
5% of 393 decks +3% synergy
Intuition
5% of 669 decks +3% synergy
Sorceries
Life from the Loam
44% of 312 decks +40% synergy
Toxic Deluge
34% of 669 decks +16% synergy
Vandalblast
33% of 308 decks +18% synergy
Mark of Mutiny
31% of 308 decks +31% synergy
Idyllic Tutor
30% of 37 decks +25% synergy
Reanimate
27% of 669 decks +11% synergy
Living Death
22% of 669 decks +17% synergy
Mob Rule
22% of 308 decks +21% synergy
Diabolic Intent
22% of 669 decks +14% synergy
Afterlife from the Loam
22% of 60 decks +20% synergy
Victimize
21% of 669 decks +9% synergy
Buried Alive
20% of 669 decks +15% synergy
Feed the Swarm
19% of 669 decks +2% synergy
Wrath of God
19% of 37 decks +13% synergy
Damnation
18% of 669 decks +11% synergy
Farseek
17% of 312 decks -17% synergy
Nature's Lore
16% of 312 decks -15% synergy
Farewell
16% of 37 decks +3% synergy
Damn
16% of 37 decks -0% synergy
Cultivate
15% of 312 decks -30% synergy
Insurrection
15% of 308 decks +14% synergy
Replenish
14% of 37 decks +13% synergy
Resurgent Belief
14% of 37 decks +12% synergy
Sevinne's Reclamation
14% of 37 decks +6% synergy
Seize the Spotlight
13% of 308 decks +12% synergy
Blasphemous Edict
13% of 222 decks +5% synergy
Windfall
12% of 669 decks -0% synergy
Mass Mutiny
12% of 308 decks +12% synergy
Welcome the Dead
12% of 60 decks +11% synergy
Three Visits
11% of 312 decks -13% synergy
Fractured Identity
11% of 37 decks +9% synergy
Supreme Verdict
11% of 37 decks -3% synergy
Last One Standing
10% of 308 decks +9% synergy
Kodama's Reach
9% of 312 decks -22% synergy
Jeska's Will
8% of 308 decks -8% synergy
Dread Return
8% of 669 decks +3% synergy
Chain Reaction
8% of 308 decks +3% synergy
Lie in Wait
8% of 39 decks +6% synergy
Grim Tutor
8% of 669 decks +3% synergy
Rampant Growth
7% of 312 decks -27% synergy
Villainous Wealth
7% of 312 decks -1% synergy
Bala Ged Recovery
6% of 312 decks -2% synergy
Faithless Looting
6% of 308 decks -10% synergy
Kari Zev's Expertise
6% of 308 decks +5% synergy
Act of Treason
6% of 308 decks +5% synergy
Agadeem's Awakening
6% of 669 decks +2% synergy
Rise of the Dark Realms
6% of 669 decks +2% synergy
Furnace Reins
6% of 308 decks +5% synergy
Skyshroud Claim
5% of 312 decks -3% synergy
Culling Ritual
5% of 312 decks -6% synergy
Utility Artifacts
Lightning Greaves
48% of 669 decks +23% synergy
Lotus Petal
30% of 669 decks +23% synergy
Birthing Pod
27% of 312 decks +24% synergy
Swiftfoot Boots
24% of 669 decks -3% synergy
Skullclamp
24% of 669 decks +12% synergy
The Ozolith
20% of 669 decks +17% synergy
Hedge Shredder
20% of 144 decks +17% synergy
Mesmeric Orb
17% of 669 decks +15% synergy
Perpetual Timepiece
16% of 669 decks +15% synergy
Conduit of Worlds
13% of 312 decks +8% synergy
Commander's Sphere
13% of 669 decks -2% synergy
Wayfarer's Bauble
12% of 669 decks +3% synergy
Matzalantli, the Great Door
10% of 525 decks +9% synergy
Andúril, Narsil Reforged
10% of 551 decks +9% synergy
Bolas's Citadel
10% of 669 decks +1% synergy
Aether Spellbomb
9% of 669 decks +8% synergy
The Great Henge
9% of 312 decks -1% synergy
Nevinyrral's Disk
9% of 669 decks +8% synergy
Agatha's Soul Cauldron
8% of 575 decks +7% synergy
Crucible of Worlds
8% of 669 decks +6% synergy
Expedition Map
8% of 669 decks +5% synergy
Jeweled Lotus
8% of 669 decks +4% synergy
The One Ring
7% of 667 decks -1% synergy
Essence Anchor
7% of 60 decks +6% synergy
Mind Stone
6% of 669 decks -10% synergy
Blasting Station
6% of 669 decks +6% synergy
Mindslaver
6% of 669 decks +5% synergy
Spawning Pit
6% of 669 decks +5% synergy
Desecrated Tomb
6% of 669 decks +5% synergy
Palantír of Orthanc
5% of 631 decks +4% synergy
Enchantments
Sneak Attack
53% of 308 decks +50% synergy
Phyrexian Unlife
51% of 37 decks +51% synergy
Mystic Remora
38% of 669 decks +21% synergy
Animate Dead
36% of 669 decks +26% synergy
Unspeakable Symbol
35% of 669 decks +35% synergy
Kaya's Ghostform
35% of 669 decks +31% synergy
Nine Lives
35% of 37 decks +35% synergy
Delaying Shield
32% of 37 decks +32% synergy
Greater Auramancy
32% of 37 decks +31% synergy
Thran Vigil
31% of 669 decks +31% synergy
Ghostly Prison
24% of 37 decks +13% synergy
Exploration
23% of 312 decks +15% synergy
Secrets of the Dead
23% of 669 decks +23% synergy
Inner Sanctum
22% of 37 decks +22% synergy
Celestial Convergence
22% of 37 decks +22% synergy
Darksteel Mutation
22% of 37 decks +16% synergy
Smothering Tithe
22% of 37 decks -2% synergy
Defense of the Heart
19% of 312 decks +16% synergy
Grave Pact
19% of 669 decks +14% synergy
Greater Good
18% of 312 decks +13% synergy
Dictate of Erebos
18% of 669 decks +14% synergy
Warstorm Surge
17% of 308 decks +12% synergy
Grasp of Fate
16% of 37 decks +13% synergy
Necromancy
16% of 669 decks +13% synergy
Seal of Removal
16% of 669 decks +15% synergy
Sylvan Library
15% of 312 decks +4% synergy
Awaken the Honored Dead
15% of 40 decks +12% synergy
Force Bubble
14% of 37 decks +13% synergy
Martyr's Cause
14% of 37 decks +13% synergy
Aura of Silence
14% of 37 decks +11% synergy
Ripples of Undeath
13% of 369 decks +9% synergy
Kenrith's Transformation
13% of 312 decks +7% synergy
Phyrexian Arena
12% of 669 decks -3% synergy
Journey to Eternity
11% of 312 decks +8% synergy
Insidious Roots
11% of 216 decks +5% synergy
Karmic Justice
11% of 37 decks +10% synergy
Cathars' Crusade
11% of 37 decks +5% synergy
Land Tax
11% of 37 decks +4% synergy
Blind Obedience
11% of 37 decks +4% synergy
All Will Be One
10% of 308 decks +8% synergy
Impact Tremors
10% of 308 decks -0% synergy
Sultai Ascendancy
10% of 312 decks +8% synergy
Grave Betrayal
10% of 669 decks +9% synergy
The Meathook Massacre
9% of 669 decks +4% synergy
Pattern of Rebirth
9% of 312 decks +9% synergy
Feast on the Fallen
9% of 669 decks +9% synergy
Elephant Grass
9% of 312 decks +8% synergy
Black Market Connections
9% of 669 decks -3% synergy
Martyr's Bond
8% of 37 decks +8% synergy
Seal from Existence
8% of 37 decks +8% synergy
Planeswalkers
Ashiok, Dream Render
25% of 669 decks +21% synergy
Oko, Thief of Crowns
23% of 312 decks +18% synergy
Tamiyo, Collector of Tales
16% of 312 decks +15% synergy
Jace, Wielder of Mysteries
14% of 669 decks +11% synergy
Wrenn and Realmbreaker
10% of 312 decks +8% synergy
Geyadrone Dihada
7% of 308 decks +6% synergy
Grist, the Hunger Tide
6% of 312 decks +2% synergy
Liliana, Dreadhorde General
6% of 669 decks +2% synergy
Utility Lands
Phyrexian Tower
40% of 669 decks +31% synergy
Urborg, Tomb of Yawgmoth
39% of 669 decks +30% synergy
Hall of Heliod's Generosity
35% of 37 decks +29% synergy
Bojuka Bog
33% of 669 decks +3% synergy
Command Beacon
29% of 669 decks +25% synergy
High Market
29% of 669 decks +27% synergy
Boseiju, Who Endures
28% of 312 decks +9% synergy
Reliquary Tower
25% of 669 decks -5% synergy
Shifting Woodland
20% of 186 decks +14% synergy
Takenuma, Abandoned Mire
18% of 669 decks +9% synergy
Strip Mine
17% of 669 decks +15% synergy
Forge of Heroes
17% of 669 decks +16% synergy
Yavimaya, Cradle of Growth
17% of 669 decks +8% synergy
Otawara, Soaring City
16% of 669 decks -0% synergy
Cabal Coffers
15% of 669 decks +4% synergy
Field of the Dead
15% of 669 decks +11% synergy
Dakmor Salvage
10% of 669 decks +8% synergy
Urza's Saga
9% of 669 decks +2% synergy
Spymaster's Vault
8% of 375 decks +5% synergy
Cephalid Coliseum
8% of 669 decks +5% synergy
Lotus Field
8% of 669 decks +6% synergy
Ghost Quarter
7% of 669 decks +5% synergy
Nesting Grounds
7% of 669 decks +5% synergy
Wasteland
6% of 669 decks +5% synergy
Tranquil Thicket
6% of 312 decks +2% synergy
Tyrite Sanctum
6% of 669 decks +4% synergy
Arena of Glory
6% of 157 decks -0% synergy
Dark Depths
5% of 669 decks +4% synergy
Temple of the False God
5% of 669 decks -5% synergy
Mana Artifacts
Sol Ring
93% of 669 decks +9% synergy
Arcane Signet
81% of 669 decks +9% synergy
Talisman of Indulgence
55% of 308 decks +28% synergy
Talisman of Creativity
47% of 308 decks +18% synergy
Rakdos Signet
44% of 308 decks +15% synergy
Orzhov Signet
38% of 37 decks +11% synergy
Izzet Signet
36% of 308 decks +9% synergy
Talisman of Dominance
35% of 669 decks +3% synergy
Azorius Signet
30% of 37 decks +5% synergy
Dimir Signet
29% of 669 decks +0% synergy
Talisman of Hierarchy
27% of 37 decks +2% synergy
Fellwar Stone
22% of 669 decks +1% synergy
Talisman of Progress
16% of 37 decks -8% synergy
Chromatic Lantern
16% of 669 decks +7% synergy
Golgari Signet
14% of 312 decks +2% synergy
Relic of Sauron
11% of 288 decks +3% synergy
Simic Signet
11% of 312 decks -3% synergy
Talisman of Resilience
11% of 312 decks -2% synergy
Mana Crypt
9% of 669 decks +3% synergy
Thought Vessel
8% of 669 decks -9% synergy
Talisman of Curiosity
7% of 312 decks -6% synergy
Mana Vault
6% of 669 decks +0% synergy
Lands
Command Tower
93% of 669 decks +19% synergy
Overgrown Tomb
76% of 312 decks +34% synergy
Breeding Pool
67% of 312 decks +27% synergy
Watery Grave
67% of 669 decks +27% synergy
Steam Vents
65% of 308 decks +27% synergy
Blood Crypt
62% of 308 decks +24% synergy
Zagoth Triome
61% of 312 decks +32% synergy
Hallowed Fountain
59% of 37 decks +19% synergy
Godless Shrine
57% of 37 decks +17% synergy
Xander's Lounge
56% of 308 decks +31% synergy
Shivan Reef
56% of 308 decks +29% synergy
Polluted Delta
51% of 669 decks +39% synergy
Woodland Cemetery
50% of 312 decks +20% synergy
Crumbling Necropolis
50% of 308 decks +19% synergy
Temple Garden
50% of 10 decks +10% synergy
Exotic Orchard
49% of 669 decks +13% synergy
Sulfurous Springs
48% of 308 decks +27% synergy
Training Center
48% of 308 decks +22% synergy
Dragonskull Summit
47% of 308 decks +15% synergy
Undergrowth Stadium
47% of 312 decks +21% synergy
Hinterland Harbor
47% of 312 decks +17% synergy
Luxury Suite
44% of 308 decks +18% synergy
Sulfur Falls
44% of 308 decks +11% synergy
Rejuvenating Springs
43% of 312 decks +15% synergy
Raffine's Tower
43% of 37 decks +17% synergy
The World Tree
43% of 7 decks +11% synergy
Drowned Catacomb
43% of 669 decks +16% synergy
Morphic Pool
39% of 669 decks +13% synergy
Opulent Palace
38% of 312 decks +11% synergy
Arcane Sanctum
38% of 37 decks +10% synergy
Underground River
36% of 669 decks +16% synergy
Verdant Catacombs
33% of 669 decks +22% synergy
Llanowar Wastes
32% of 312 decks +6% synergy
Smoldering Marsh
31% of 308 decks -2% synergy
Misty Rainforest
30% of 669 decks +19% synergy
Indatha Triome
30% of 10 decks +0% synergy
Vault of Champions
30% of 37 decks +4% synergy
Sunken Hollow
29% of 669 decks -5% synergy
Dreamroot Cascade
29% of 312 decks +10% synergy
Bloodstained Mire
28% of 669 decks +17% synergy
Yavimaya Coast
27% of 312 decks +0% synergy
Tundra
27% of 37 decks +13% synergy
Sea of Clouds
27% of 37 decks +1% synergy
Glacial Fortress
27% of 37 decks -1% synergy
Isolated Chapel
27% of 37 decks -3% synergy
Deathcap Glade
26% of 312 decks +13% synergy
Stormcarved Coast
26% of 308 decks +8% synergy
Shipwreck Marsh
25% of 669 decks +7% synergy
Scalding Tarn
25% of 669 decks +14% synergy
Scrubland
24% of 37 decks +11% synergy