Moritte of the Frost
River Kelpie
Altar of Dementia
1

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield (Moritte of the Frost as a copy of River Kelpie on the battlefield).

   Steps

How does this combo work?
1
Activate Altar of Dementia by sacrificing Moritte of the Frost.
2
When Moritte of the Frost dies, its persist ability triggers, returning it from your graveyard to the battlefield as a copy of River Kelpie with two additional +1/+1 counters on it and a -1/-1 counter on it.
3
Remove one +1/+1 counter and one -1/-1 counter from Moritte of the Frost as a state-based action.
4
When Moritte of the Frost enters the battlefield, it and River Kelpie's first ability triggers, causing you to draw two cards.
5
Resolve the Altar of Dementia ability from step 1, milling target player a number of cards equal to Moritte of the Frost's power at the time of activation.
6
Repeat.

   Results

What do I get from this combo?
Infinite card draw
Infinite draw triggers
Near-infinite death triggers
Near-infinite ETB
Near-infinite LTB
Near-infinite mill
Near-infinite sacrifice triggers
Infinite self-mill
Moritte of the Frost
3.37% of 919 decks 31 decks
Muldrotha, the Gravetide
0.03% of 17630 decks 5 decks
Nashi, Moon's Legacy
0.06% of 1678 decks 1 decks
Falco Spara, Pactweaver
0.02% of 4541 decks 1 decks
Brokkos, Apex of Forever
0.07% of 1423 decks 1 decks
Jorn, God of Winter
0.02% of 4493 decks 1 decks
Kamahl, Heart of Krosa // Sakashima of a Thousand Faces
0.94% of 106 decks 1 decks
High Synergy Cards
Glen Elendra Archmage
83% of 41 decks +81% synergy
Blasting Station
71% of 41 decks +70% synergy
Gravebreaker Lamia
62% of 8 decks +61% synergy
Woodfall Primus
59% of 41 decks +57% synergy
Ashnod's Altar
63% of 41 decks +56% synergy
Grazing Kelpie
54% of 41 decks +54% synergy
Lesser Masticore
51% of 41 decks +51% synergy
Sidisi, Brood Tyrant
50% of 8 decks +47% synergy
Underrealm Lich
50% of 8 decks +47% synergy
Ravenous Chupacabra
50% of 8 decks +46% synergy
Top Cards
Counterspell
54% of 41 decks +11% synergy
Cultivate
51% of 41 decks +6% synergy
Kaya's Ghostform
50% of 8 decks +46% synergy
Villainous Wealth
50% of 8 decks +42% synergy
Beast Within
49% of 41 decks +12% synergy
Phyrexian Altar
46% of 41 decks +42% synergy
Aerie Ouphes
44% of 41 decks +44% synergy
Mystic Remora
41% of 41 decks +24% synergy
Rapid Hybridization
34% of 41 decks +25% synergy
Eternal Witness
34% of 41 decks +15% synergy
Game Changers
Rhystic Study
37% of 41 decks +10% synergy
Worldly Tutor
34% of 41 decks +21% synergy
Cyclonic Rift
32% of 41 decks +5% synergy
Fierce Guardianship
24% of 41 decks +6% synergy
Natural Order
12% of 41 decks +10% synergy
Consecrated Sphinx
12% of 41 decks +7% synergy
Ancient Tomb
12% of 41 decks +2% synergy
Mox Diamond
10% of 41 decks +5% synergy
Chrome Mox
10% of 41 decks +4% synergy
Thassa's Oracle
10% of 41 decks +3% synergy
Creatures
Bringer of the Last Gift
43% of 7 decks +42% synergy
Mikaeus, the Unhallowed
38% of 8 decks +35% synergy
Jarad, Golgari Lich Lord
38% of 8 decks +34% synergy
Skull Prophet
38% of 8 decks +33% synergy
The Gitrog Monster
38% of 8 decks +32% synergy
Viscera Seer
38% of 8 decks +29% synergy
Birds of Paradise
32% of 41 decks +4% synergy
Melira, Sylvok Outcast
27% of 41 decks +27% synergy
Sakura-Tribe Elder
27% of 41 decks +9% synergy
Trophy Mage
24% of 41 decks +23% synergy
Tribute Mage
24% of 41 decks +22% synergy
Fyndhorn Elves
24% of 41 decks +13% synergy
Llanowar Elves
24% of 41 decks +4% synergy
Spark Double
22% of 41 decks +15% synergy
Elvish Mystic
22% of 41 decks +5% synergy
Biovisionary
20% of 41 decks +19% synergy
Clever Impersonator
20% of 41 decks +17% synergy
Disciple of Freyalise
19% of 26 decks +14% synergy
Trapjaw Kelpie
17% of 41 decks +17% synergy
Ice-Fang Coatl
17% of 41 decks +16% synergy
Laboratory Maniac
17% of 41 decks +13% synergy
Mulldrifter
17% of 41 decks +12% synergy
Delighted Halfling
17% of 41 decks +5% synergy
Hydroelectric Specimen
15% of 26 decks +11% synergy
Spirit of the Aldergard
15% of 41 decks +14% synergy
Lord of the Unreal
15% of 41 decks +14% synergy
Altered Ego
15% of 41 decks +13% synergy
Boreal Druid
15% of 41 decks +13% synergy
Masked Vandal
15% of 41 decks +12% synergy
Glasspool Mimic
15% of 41 decks +12% synergy
Realmwalker
15% of 41 decks +9% synergy
Phyrexian Metamorph
15% of 41 decks +8% synergy
Reclamation Sage
15% of 41 decks +5% synergy
Doc Aurlock, Grizzled Genius
14% of 29 decks +10% synergy
Biowaste Blob
12% of 41 decks +12% synergy
Mirror Image
12% of 41 decks +12% synergy
Clone
12% of 41 decks +11% synergy
Progenitor Mimic
12% of 41 decks +10% synergy
Uro, Titan of Nature's Wrath
12% of 41 decks +7% synergy
Ohran Frostfang
12% of 41 decks +6% synergy
Avenger of Zendikar
12% of 41 decks +3% synergy
Frost Augur
10% of 41 decks +10% synergy
Sculptor of Winter
10% of 41 decks +10% synergy
Rime Tender
10% of 41 decks +9% synergy
Orvar, the All-Form
10% of 41 decks +9% synergy
Abominable Treefolk
10% of 41 decks +9% synergy
Guardian Gladewalker
10% of 41 decks +9% synergy
Rootcoil Creeper
10% of 41 decks +9% synergy
Drift of Phantasms
10% of 41 decks +9% synergy
Bloodline Pretender
10% of 41 decks +9% synergy
Instants
Heroic Intervention
34% of 41 decks +4% synergy
Swan Song
32% of 41 decks +15% synergy
Brainstorm
32% of 41 decks +12% synergy
Growth Spiral
32% of 41 decks +10% synergy
Chord of Calling
27% of 41 decks +21% synergy
An Offer You Can't Refuse
27% of 41 decks +5% synergy
Negate
27% of 41 decks +4% synergy
Reality Shift
24% of 41 decks +16% synergy
Double Major
22% of 41 decks +19% synergy
Nature's Claim
22% of 41 decks +14% synergy
Pongify
22% of 41 decks +11% synergy
Mana Drain
22% of 41 decks +7% synergy
Muddle the Mixture
20% of 41 decks +15% synergy
Krosan Grip
20% of 41 decks +13% synergy
Absorb Identity
17% of 41 decks +17% synergy
Force of Negation
17% of 41 decks +8% synergy
Planar Genesis
15% of 26 decks +10% synergy
Whir of Invention
15% of 41 decks +12% synergy
Force of Vigor
15% of 41 decks +11% synergy
Fact or Fiction
15% of 41 decks +9% synergy
Mystical Tutor
15% of 41 decks +1% synergy
Archdruid's Charm
13% of 31 decks +8% synergy
Chain of Vapor
12% of 41 decks +8% synergy
Dispel
12% of 41 decks +8% synergy
Resculpt
12% of 41 decks +8% synergy
Veil of Summer
12% of 41 decks +7% synergy
Mental Misstep
12% of 41 decks +6% synergy
Aetherize
12% of 41 decks +6% synergy
Force of Will
12% of 41 decks +1% synergy
Arcane Denial
12% of 41 decks -8% synergy
Sink into Stupor
12% of 26 decks +2% synergy
Graven Lore
10% of 41 decks +9% synergy
Plasm Capture
10% of 41 decks +8% synergy
Eureka Moment
10% of 41 decks +6% synergy
Ghostly Flicker
10% of 41 decks +5% synergy
Flusterstorm
10% of 41 decks +3% synergy
Crop Rotation
10% of 41 decks +0% synergy
Theoretical Duplication
7% of 41 decks +7% synergy
Mystic Reflection
7% of 41 decks +6% synergy
See Double
7% of 41 decks +6% synergy
Joint Exploration
7% of 41 decks +5% synergy
Narset's Reversal
7% of 41 decks +4% synergy
Simic Charm
7% of 41 decks +4% synergy
Spell Pierce
7% of 41 decks +4% synergy
Noxious Revival
7% of 41 decks +2% synergy
Pact of Negation
7% of 41 decks +0% synergy
Sorceries
Rise of the Dark Realms
38% of 8 decks +34% synergy
Nature's Lore
32% of 41 decks +0% synergy
Rampant Growth
32% of 41 decks -3% synergy
Kodama's Reach
29% of 41 decks -1% synergy
Fabricate
24% of 41 decks +19% synergy
Three Visits
24% of 41 decks -0% synergy
Farseek
24% of 41 decks -10% synergy
Into the North
22% of 41 decks +21% synergy
Harmonize
20% of 41 decks +11% synergy
Bala Ged Recovery
17% of 41 decks +9% synergy
Ponder
17% of 41 decks +5% synergy
Windfall
17% of 41 decks +4% synergy
Rite of Replication
15% of 41 decks +12% synergy
Green Sun's Zenith
15% of 41 decks +9% synergy
Explore
15% of 41 decks +5% synergy
Preordain
15% of 41 decks +5% synergy
Doppelgang
12% of 32 decks +10% synergy
Blizzard Brawl
12% of 41 decks +12% synergy
Neoform
12% of 41 decks +7% synergy
Finale of Devastation
12% of 41 decks +4% synergy
Bridgeworks Battle
12% of 26 decks +7% synergy
Blessing of Frost
10% of 41 decks +9% synergy
Sylvan Scrying
10% of 41 decks +7% synergy
Irenicus's Vile Duplication
10% of 41 decks +6% synergy
Eldritch Evolution
10% of 41 decks +5% synergy
Distant Melody
10% of 41 decks +5% synergy
Rally the Galadhrim
9% of 35 decks +8% synergy
Transmute Artifact
7% of 41 decks +6% synergy
Croaking Counterpart
7% of 41 decks +6% synergy
Splendid Reclamation
7% of 41 decks +4% synergy
Solve the Equation
7% of 41 decks +3% synergy
Gitaxian Probe
7% of 41 decks +2% synergy
Utility Artifacts
Cauldron of Souls
22% of 41 decks +21% synergy
Mirror Box
15% of 41 decks +14% synergy
Maskwood Nexus
15% of 41 decks +12% synergy
The Great Henge
15% of 41 decks +5% synergy
Altar of the Brood
12% of 41 decks +11% synergy
Lotus Petal
12% of 41 decks +5% synergy
Helm of the Host
10% of 41 decks +7% synergy
The One Ring
10% of 41 decks +2% synergy
Lightning Greaves
10% of 41 decks -15% synergy
Swiftfoot Boots
10% of 41 decks -18% synergy
Lithoform Engine
7% of 41 decks +6% synergy
Expedition Map
7% of 41 decks +4% synergy
Strionic Resonator
7% of 41 decks +4% synergy
Sensei's Divining Top
7% of 41 decks +2% synergy
Commander's Sphere
7% of 41 decks -7% synergy
Enchantments
Ripples of Undeath
50% of 6 decks +45% synergy
Deadbridge Chant
38% of 8 decks +35% synergy
Sylvan Library
24% of 41 decks +14% synergy
Greater Good
22% of 41 decks +17% synergy
Wild Growth
22% of 41 decks +11% synergy
Marit Lage's Slumber
17% of 41 decks +17% synergy
Secrets of the Dead
15% of 41 decks +14% synergy
Utopia Sprawl
15% of 41 decks +7% synergy
Imprisoned in the Moon
12% of 41 decks +8% synergy
Reflections of Littjara
12% of 41 decks +7% synergy
Eaten by Piranhas
12% of 34 decks +11% synergy
Glittering Frost
10% of 41 decks +9% synergy
Defense of the Heart
10% of 41 decks +7% synergy
Leyline of Anticipation
10% of 41 decks +6% synergy
Kenrith's Transformation
10% of 41 decks +4% synergy
Kindred Discovery
10% of 41 decks +2% synergy
Exploration
10% of 41 decks +2% synergy
The Bears of Littjara
7% of 41 decks +7% synergy
Vesuvan Duplimancy
7% of 41 decks +6% synergy
Extravagant Replication
7% of 41 decks +6% synergy
Mirrormade
7% of 41 decks +5% synergy
Wizard Class
7% of 41 decks +3% synergy
Simic Ascendancy
7% of 41 decks +2% synergy
Doubling Season
7% of 41 decks -2% synergy
Propaganda
7% of 41 decks -5% synergy
Battles
Invasion of Ikoria
12% of 41 decks +8% synergy
Planeswalkers
Ashiok, Dream Render
38% of 8 decks +34% synergy
Jace, Wielder of Mysteries
17% of 41 decks +14% synergy
Oko, Thief of Crowns
7% of 41 decks +2% synergy
Utility Lands
Reliquary Tower
29% of 41 decks -0% synergy
Yavimaya, Cradle of Growth
27% of 41 decks +18% synergy
Boseiju, Who Endures
27% of 41 decks +8% synergy
Otawara, Soaring City
22% of 41 decks +6% synergy
Swarmyard
17% of 41 decks +16% synergy
Shifting Woodland
15% of 26 decks +9% synergy
Temple of the False God
15% of 41 decks +5% synergy
Mystic Sanctuary
15% of 41 decks +3% synergy
Faceless Haven
12% of 41 decks +12% synergy
Dark Depths
12% of 41 decks +11% synergy
Frostwalk Bastion
10% of 41 decks +10% synergy
Scrying Sheets
10% of 41 decks +10% synergy
Riptide Laboratory
10% of 41 decks +8% synergy
Cephalid Coliseum
10% of 41 decks +7% synergy
Rogue's Passage
10% of 41 decks -10% synergy
Lumbering Falls
7% of 41 decks +5% synergy
Thespian's Stage
7% of 41 decks +5% synergy
Gaea's Cradle
7% of 41 decks +2% synergy
Alchemist's Refuge
7% of 41 decks +1% synergy
Mana Artifacts
Sol Ring
83% of 41 decks -1% synergy
Arcane Signet
68% of 41 decks -4% synergy
Golgari Signet
38% of 8 decks +25% synergy
Simic Signet
37% of 41 decks +23% synergy
Talisman of Curiosity
24% of 41 decks +11% synergy
Thought Vessel
22% of 41 decks +5% synergy
Replicating Ring
20% of 41 decks +18% synergy
Fellwar Stone
20% of 41 decks -1% synergy
Coldsteel Heart
15% of 41 decks +14% synergy
Mox Opal
7% of 41 decks +3% synergy
Lands
Command Tower
83% of 41 decks +9% synergy
Zagoth Triome
75% of 8 decks +45% synergy
Overgrown Tomb
75% of 8 decks +33% synergy
Woodland Cemetery
62% of 8 decks +33% synergy
Watery Grave
62% of 8 decks +22% synergy
Foreboding Landscape
50% of 6 decks +41% synergy
Drowned Catacomb
50% of 8 decks +23% synergy
Hinterland Harbor
49% of 41 decks +19% synergy
Breeding Pool
46% of 41 decks +6% synergy
Rimewood Falls
39% of 41 decks +35% synergy
Misty Rainforest
39% of 41 decks +27% synergy
Yavimaya Coast
39% of 41 decks +12% synergy
Dimir Aqueduct
38% of 8 decks +21% synergy
Golgari Rot Farm
38% of 8 decks +20% synergy
Llanowar Wastes
38% of 8 decks +11% synergy
Opulent Palace
38% of 8 decks +10% synergy
Sunken Hollow
38% of 8 decks +3% synergy
Rejuvenating Springs
37% of 41 decks +8% synergy
Simic Growth Chamber
34% of 41 decks +15% synergy
Flooded Grove
32% of 41 decks +18% synergy
Dreamroot Cascade
29% of 41 decks +10% synergy
Hedge Maze
28% of 32 decks +17% synergy
Verdant Catacombs
27% of 41 decks +16% synergy
Waterlogged Grove
24% of 41 decks +17% synergy
Temple of Mystery
24% of 41 decks +7% synergy
Flooded Strand
22% of 41 decks +11% synergy
Tropical Island
22% of 41 decks +8% synergy
Path of Ancestry
22% of 41 decks +0% synergy
Prismatic Vista
20% of 41 decks +14% synergy
Barkchannel Pathway
20% of 41 decks +11% synergy
Wooded Foothills
20% of 41 decks +9% synergy
Windswept Heath
20% of 41 decks +9% synergy
Polluted Delta
20% of 41 decks +8% synergy
Vineglimmer Snarl
17% of 41 decks +6% synergy
Myriad Landscape
17% of 41 decks -1% synergy
Evolving Wilds
17% of 41 decks -4% synergy
Exotic Orchard
17% of 41 decks -19% synergy
Tangled Islet
15% of 41 decks +8% synergy
Fabled Passage
15% of 41 decks +6% synergy
Scalding Tarn
15% of 41 decks +4% synergy
Terramorphic Expanse
15% of 41 decks -1% synergy
Overflowing Basin
13% of 30 decks +6% synergy
Shimmerdrift Vale
12% of 41 decks +12% synergy
Botanical Sanctum
12% of 41 decks +8% synergy
Cavern of Souls
12% of 41 decks +5% synergy
Thornwood Falls
12% of 41 decks +5% synergy
Mana Confluence
10% of 41 decks +3% synergy
Littjara Mirrorlake
7% of 41 decks +6% synergy
Gemstone Caverns
7% of 41 decks +2% synergy
City of Brass
7% of 41 decks -1% synergy