River Kelpie + Mikaeus, the Unhallowed + Ashnod's Altar

River Kelpie
Mikaeus, the Unhallowed
Ashnod's Altar

Requires
River Kelpie must be on the battlefield. Mikaeus, the Unhallowed must be on the battlefield. Ashnod's Altar must be on the battlefield.
Steps
  1. Activate Ashnod's Altar by sacrificing River Kelpie, adding cc.
  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. Activate Ashnod's Altar by sacrificing River Kelpie, adding cc.
  7. River Kelpie's undying and persist abilities trigger.
  8. Resolve the undying trigger, returning River Kelpie from your graveyard to the battlefield with a +1/+1 counter on it.
  9. River Kelpie enters the battlefield, causing you to draw a card.
  10. The persist trigger fails to resolve because River Kelpie is not in your graveyard.
  11. Repeat.
Results
Infinite card draw. Near-infinite colorless mana. Near-infinite death triggers. Near-infinite ETB. Near-infinite LTB. Near-infinite sacrifice triggers.

Top Commanders (2)
Marchesa, the Black Rose
13.08% of 8871 decks 1160 decks
Muldrotha, the Gravetide
1.01% of 14884 decks 150 decks
New Cards (3)
Satoru, the Infiltrator
78% of 37 decks +76% synergy
Rakdos, the Muscle
38% of 34 decks +36% synergy
Tinybones, the Pickpocket
8% of 37 decks +3% synergy
High Synergy Cards (10)
Flayer of the Hatebound
86% of 1192 decks +85% synergy
Uncivil Unrest
83% of 621 decks +82% synergy
Unspeakable Symbol
75% of 1415 decks +74% synergy
Spore Frog
75% of 171 decks +74% synergy
Goblin Bombardment
77% of 1192 decks +73% synergy
Kitchen Finks
71% of 14 decks +71% synergy
Carrion Feeder
72% of 1415 decks +69% synergy
Glen Elendra Archmage
69% of 1415 decks +68% synergy
Viscera Seer
73% of 1415 decks +68% synergy
Thran Vigil
66% of 915 decks +66% synergy
Top Cards (10)
Blasphemous Act
75% of 1192 decks +58% synergy
Eternal Witness
73% of 171 decks +62% synergy
Sakura-Tribe Elder
72% of 171 decks +63% synergy
Solemn Simulacrum
69% of 1415 decks +55% synergy
Grim Haruspex
68% of 1415 decks +65% synergy
Baleful Strix
68% of 1415 decks +64% synergy
Solemnity
65% of 43 decks +65% synergy
Pernicious Deed
64% of 171 decks +64% synergy
Luminous Broodmoth
64% of 42 decks +63% synergy
Yahenni, Undying Partisan
63% of 1411 decks +61% synergy
Creatures (50)
Scorn-Blade Berserker
61% of 658 decks +61% synergy
Iron Apprentice
61% of 1289 decks +61% synergy
Drana, Liberator of Malakir
60% of 1413 decks +58% synergy
Mahadi, Emporium Master
59% of 1018 decks +57% synergy
Haywire Mite
57% of 86 decks +55% synergy
Herald of Secret Streams
56% of 1409 decks +55% synergy
Danny Pink
54% of 373 decks +53% synergy
Feral Ghoul
51% of 78 decks +48% synergy
Spark Double
51% of 1402 decks +47% synergy
Heartmender
50% of 14 decks +50% synergy
Thundering Raiju
49% of 1123 decks +49% synergy
The Gitrog Monster
49% of 171 decks +48% synergy
Juri, Master of the Revue
49% of 1159 decks +48% synergy
Braids, Arisen Nightmare
48% of 1019 decks +44% synergy
World Shaper
48% of 171 decks +46% synergy
Sage of Fables
46% of 1415 decks +46% synergy
Zealous Conscripts
46% of 1192 decks +45% synergy
Underrealm Lich
44% of 169 decks +44% synergy
Puppeteer Clique
44% of 1415 decks +43% synergy
Bloodtracker
44% of 1403 decks +44% synergy
Dockside Extortionist
44% of 1177 decks +36% synergy
Gisa, Glorious Resurrector
43% of 1341 decks +42% synergy
Birds of Paradise
43% of 171 decks +31% synergy
Elas il-Kor, Sadistic Pilgrim
41% of 22 decks +38% synergy
Mulldrifter
41% of 1415 decks +37% synergy
Greedy Freebooter
38% of 206 decks +37% synergy
Voldaren Thrillseeker
37% of 627 decks +37% synergy
Fain, the Broker
37% of 1361 decks +36% synergy
Cankerbloom
36% of 67 decks +32% synergy
Good-Fortune Unicorn
36% of 14 decks +35% synergy
Dauthi Voidwalker
34% of 1352 decks +29% synergy
Kethek, Crucible Goliath
33% of 698 decks +32% synergy
Caustic Caterpillar
32% of 171 decks +31% synergy
Dack's Duplicate
31% of 1192 decks +31% synergy
Hermit Druid
30% of 171 decks +30% synergy
Uro, Titan of Nature's Wrath
30% of 169 decks +29% synergy
Grumgully, the Generous
30% of 10 decks +29% synergy
Yawgmoth, Thran Physician
29% of 1398 decks +27% synergy
Safehold Elite
29% of 14 decks +29% synergy
Ghave, Guru of Spores
29% of 14 decks +28% synergy
Dryad of the Ilysian Grove
29% of 168 decks +25% synergy
Immersturm Predator
28% of 1155 decks +28% synergy
Twilight Shepherd
28% of 43 decks +28% synergy
Springbloom Druid
28% of 169 decks +26% synergy
Satyr Wayfinder
27% of 171 decks +27% synergy
Bloodflow Connoisseur
27% of 1415 decks +27% synergy
Reclamation Sage
26% of 171 decks +20% synergy
Meren of Clan Nel Toth
24% of 171 decks +23% synergy
Ramunap Excavator
24% of 171 decks +21% synergy
Protean Hulk
23% of 171 decks +23% synergy
Instants (50)
Chaos Warp
58% of 1192 decks +42% synergy
Counterspell
53% of 1415 decks +32% synergy
Cyclonic Rift
47% of 1415 decks +33% synergy
Terminate
38% of 1192 decks +33% synergy
Swords to Plowshares
37% of 43 decks +9% synergy
Village Rites
36% of 1382 decks +30% synergy
Assassin's Trophy
36% of 169 decks +29% synergy
Enlightened Tutor
28% of 43 decks +20% synergy
Path to Exile
28% of 43 decks +8% synergy
Arcane Denial
27% of 1415 decks +18% synergy
Dovin's Veto
26% of 43 decks +21% synergy
Deadly Dispute
26% of 1343 decks +20% synergy
Negate
23% of 1415 decks +12% synergy
Vampiric Tutor
22% of 1415 decks +12% synergy
Eladamri's Call
21% of 14 decks +19% synergy
Fierce Guardianship
20% of 1383 decks +11% synergy
Mana Drain
19% of 1415 decks +11% synergy
Plumb the Forbidden
18% of 1361 decks +17% synergy
Swan Song
18% of 1415 decks +10% synergy
Bedevil
15% of 1182 decks +11% synergy
Beast Within
15% of 171 decks -4% synergy
Void Rend
14% of 35 decks +12% synergy
An Offer You Can't Refuse
14% of 1264 decks +4% synergy
Silence
14% of 43 decks +11% synergy
Feign Death
14% of 1346 decks +13% synergy
Act of Aggression
13% of 1192 decks +13% synergy
Deflecting Swat
13% of 1167 decks +5% synergy
Cauldron Haze
12% of 43 decks +12% synergy
Anguished Unmaking
12% of 43 decks +6% synergy
Teferi's Protection
12% of 43 decks +2% synergy
Deadly Rollick
11% of 1383 decks +6% synergy
Crop Rotation
10% of 171 decks +5% synergy
Heroic Intervention
10% of 171 decks -4% synergy
Generous Gift
9% of 43 decks -3% synergy
Rakdos Charm
9% of 1192 decks +6% synergy
Malakir Rebirth
9% of 1378 decks +4% synergy
Entomb
8% of 1415 decks +4% synergy
Lethal Scheme
8% of 1264 decks +7% synergy
Slip Out the Back
8% of 1264 decks +6% synergy
Domineering Will
7% of 1415 decks +7% synergy
First Day of Class
7% of 1150 decks +7% synergy
Esper Charm
7% of 43 decks +7% synergy
Angel's Grace
7% of 43 decks +6% synergy
Despark
7% of 43 decks +3% synergy
Nasty End
7% of 525 decks +5% synergy
Corrupted Conviction
7% of 658 decks +4% synergy
Dark Ritual
7% of 1415 decks -4% synergy
Harrow
6% of 171 decks +2% synergy
Brainstorm
6% of 1415 decks -5% synergy
Undying Malice
6% of 1318 decks +5% synergy
Sorceries (50)
Mark of Mutiny
52% of 1192 decks +52% synergy
Feed the Swarm
47% of 1377 decks +37% synergy
Toxic Deluge
45% of 1415 decks +37% synergy
Vandalblast
45% of 1192 decks +36% synergy
Mob Rule
36% of 1192 decks +35% synergy
Demonic Tutor
34% of 1415 decks +22% synergy
Life from the Loam
29% of 171 decks +28% synergy
Damnation
26% of 1415 decks +21% synergy
Mass Mutiny
25% of 1192 decks +25% synergy
Victimize
23% of 1415 decks +17% synergy
Diabolic Intent
22% of 1415 decks +18% synergy
Supreme Verdict
21% of 43 decks +18% synergy
Farseek
18% of 171 decks +2% synergy
Reanimate
17% of 1415 decks +10% synergy
Idyllic Tutor
16% of 43 decks +14% synergy
Living Death
16% of 1415 decks +13% synergy
Insurrection
15% of 1192 decks +14% synergy
Wave Goodbye
14% of 304 decks +12% synergy
Seize the Spotlight
13% of 1098 decks +12% synergy
Damn
13% of 38 decks +9% synergy
Cultivate
12% of 171 decks -10% synergy
Three Visits
12% of 171 decks +0% synergy
Nature's Lore
12% of 171 decks -3% synergy
Sevinne's Reclamation
12% of 43 decks +9% synergy
Wrath of God
12% of 43 decks +8% synergy
Villainous Wealth
11% of 171 decks +10% synergy
Jeska's Will
11% of 1159 decks +2% synergy
Kodama's Reach
11% of 171 decks -5% synergy
Act of Treason
9% of 1192 decks +9% synergy
Kari Zev's Expertise
9% of 1188 decks +9% synergy
Furnace Reins
8% of 624 decks +8% synergy
Rite of Oblivion
8% of 36 decks +8% synergy
Resurgent Belief
8% of 38 decks +7% synergy
Buried Alive
8% of 1415 decks +5% synergy
Rampant Growth
8% of 171 decks -9% synergy
Slave of Bolas
8% of 1192 decks +7% synergy
Bala Ged Recovery
7% of 165 decks +3% synergy
Last One Standing
7% of 1183 decks +7% synergy
Replenish
7% of 43 decks +6% synergy
Open the Vaults
7% of 43 decks +6% synergy
Rise of the Witch-king
7% of 43 decks +6% synergy
Austere Command
7% of 43 decks +1% synergy
Windfall
7% of 1415 decks +0% synergy
Culling Ritual
6% of 162 decks +4% synergy
Press into Service
6% of 1190 decks +6% synergy
Eldritch Evolution
6% of 171 decks +4% synergy
Agadeem's Awakening
6% of 1378 decks +4% synergy
Harness by Force
5% of 1192 decks +5% synergy
Diabolic Tutor
5% of 1415 decks +2% synergy
Grim Tutor
5% of 1415 decks +2% synergy
Utility Artifacts (16)
Andúril, Narsil Reforged
60% of 294 decks +58% synergy
Lightning Greaves
60% of 1415 decks +34% synergy
The Ozolith
49% of 1385 decks +45% synergy
Phyrexian Altar
47% of 1415 decks +43% synergy
Skullclamp
43% of 1415 decks +31% synergy
Altar of Dementia
31% of 1415 decks +28% synergy
Swiftfoot Boots
30% of 1415 decks +2% synergy
Agatha's Soul Cauldron
28% of 422 decks +26% synergy
Birthing Pod
25% of 171 decks +23% synergy
Wayfarer's Bauble
10% of 1415 decks -1% synergy
Bolas's Citadel
10% of 1402 decks +5% synergy
The Great Henge
10% of 169 decks +5% synergy
Conduit of Worlds
10% of 72 decks +6% synergy
Desecrated Tomb
6% of 1404 decks +5% synergy
Blade of the Bloodchief
6% of 1415 decks +5% synergy
Ghost Lantern
5% of 1112 decks +5% synergy
Enchantments (50)
Seal of Primordium
60% of 171 decks +59% synergy
Sneak Attack
60% of 1192 decks +58% synergy
Rhystic Study
43% of 1415 decks +29% synergy
Phyrexian Unlife
40% of 43 decks +39% synergy
Dictate of Erebos
31% of 1415 decks +29% synergy
Nine Lives
31% of 42 decks +31% synergy
Rhythm of the Wild
30% of 10 decks +25% synergy
Delaying Shield
28% of 43 decks +28% synergy
Grave Betrayal
27% of 1415 decks +26% synergy
Feast on the Fallen
24% of 1415 decks +24% synergy
Greater Auramancy
23% of 43 decks +23% synergy
Seal from Existence
23% of 13 decks +23% synergy
Black Market Connections
19% of 1088 decks +14% synergy
Celestial Convergence
19% of 43 decks +19% synergy
Smothering Tithe
19% of 43 decks +7% synergy
Grave Pact
19% of 1415 decks +16% synergy
Mystic Remora
18% of 1415 decks +9% synergy
Greater Good
18% of 171 decks +15% synergy
Phyrexian Arena
17% of 1415 decks +10% synergy
Defense of the Heart
17% of 171 decks +16% synergy
Exploration
17% of 171 decks +13% synergy
Ghostly Prison
16% of 43 decks +11% synergy
All Will Be One
16% of 662 decks +14% synergy
Journey to Eternity
15% of 171 decks +14% synergy
Warstorm Surge
14% of 1192 decks +12% synergy
Animate Dead
14% of 1415 decks +9% synergy
Inner Sanctum
14% of 43 decks +14% synergy
Sylvan Library
13% of 171 decks +7% synergy
Phyrexian Reclamation
12% of 1415 decks +10% synergy
Kenrith's Transformation
12% of 169 decks +8% synergy
Force Bubble
12% of 43 decks +12% synergy
Grasp of Fate
12% of 43 decks +10% synergy
Cathars' Crusade
12% of 43 decks +9% synergy
Sultai Ascendancy
10% of 171 decks +10% synergy
Pattern of Rebirth
10% of 171 decks +10% synergy
Authority of the Consuls
9% of 43 decks +7% synergy
Black Market
9% of 1415 decks +7% synergy
Kaya's Ghostform
9% of 1402 decks +7% synergy
Elephant Grass
9% of 171 decks +9% synergy
Necropotence
8% of 1415 decks +6% synergy
Survival of the Fittest
8% of 171 decks +7% synergy
Attrition
7% of 1415 decks +7% synergy
Martyr's Bond
7% of 43 decks +7% synergy
Karmic Justice
7% of 43 decks +6% synergy
Gift of Immortality
7% of 43 decks +6% synergy
Aura of Silence
7% of 43 decks +6% synergy
All That Glitters
7% of 43 decks +5% synergy
Land Tax
7% of 43 decks +4% synergy
Anointed Procession
7% of 43 decks +3% synergy
The Meathook Massacre
7% of 1337 decks +4% synergy
Planeswalkers (6)
Geyadrone Dihada
22% of 1145 decks +22% synergy
Oko, Thief of Crowns
18% of 169 decks +17% synergy
Tamiyo, Collector of Tales
17% of 169 decks +17% synergy
Wrenn and Realmbreaker
16% of 56 decks +15% synergy
Liliana, Dreadhorde General
8% of 1402 decks +6% synergy
Ashiok, Dream Render
6% of 1402 decks +5% synergy
Utility Lands (28)
High Market
49% of 1415 decks +46% synergy
Phyrexian Tower
47% of 1415 decks +43% synergy
Forge of Heroes
43% of 1403 decks +42% synergy
Bojuka Bog
42% of 1415 decks +26% synergy
Urborg, Tomb of Yawgmoth
34% of 1415 decks +24% synergy
Reliquary Tower
28% of 1415 decks -1% synergy
Boseiju, Who Endures
27% of 147 decks +18% synergy
Hall of Heliod's Generosity
26% of 43 decks +22% synergy
The Black Gate
18% of 525 decks +16% synergy
Ancient Tomb
16% of 1415 decks +5% synergy
Tyrite Sanctum
13% of 1367 decks +11% synergy
Drannith Ruins
13% of 580 decks +12% synergy
Cabal Coffers
11% of 1415 decks +5% synergy
Otawara, Soaring City
11% of 1309 decks +2% synergy
Command Beacon
10% of 1413 decks +5% synergy
Takenuma, Abandoned Mire
10% of 1308 decks +4% synergy
Nesting Grounds
9% of 1383 decks +8% synergy
Rogue's Passage
8% of 1415 decks -11% synergy
Alchemist's Refuge
7% of 171 decks +6% synergy
Tranquil Thicket
7% of 171 decks +5% synergy
Strip Mine
7% of 1415 decks +4% synergy
Temple of the False God
7% of 1415 decks -3% synergy
Gaea's Cradle
6% of 171 decks +4% synergy
Urza's Saga
6% of 1350 decks -1% synergy
Karn's Bastion
6% of 1402 decks +1% synergy
Argoth, Sanctum of Nature
5% of 74 decks +4% synergy
Grim Backwoods
5% of 171 decks +4% synergy
Dryad Arbor
5% of 171 decks +3% synergy
Mana Artifacts (23)
Sol Ring
95% of 1415 decks +10% synergy
Arcane Signet
88% of 1395 decks +17% synergy
Talisman of Indulgence
62% of 1192 decks +57% synergy
Talisman of Dominance
59% of 1415 decks +51% synergy
Talisman of Creativity
59% of 1177 decks +52% synergy
Rakdos Signet
56% of 1192 decks +49% synergy
Dimir Signet
50% of 1415 decks +42% synergy
Izzet Signet
47% of 1192 decks +40% synergy
Fellwar Stone
27% of 1415 decks +6% synergy
Talisman of Hierarchy
26% of 43 decks +20% synergy
Azorius Signet
26% of 43 decks +19% synergy
Orzhov Signet
26% of 43 decks +19% synergy
Talisman of Progress
23% of 43 decks +19% synergy
Golgari Signet
19% of 171 decks +17% synergy
Simic Signet
19% of 171 decks +16% synergy
Chromatic Lantern
17% of 1415 decks +8% synergy
Relic of Sauron
15% of 469 decks +13% synergy
Mana Crypt
13% of 1415 decks +2% synergy
Commander's Sphere
11% of 1415 decks -5% synergy
Thought Vessel
8% of 1413 decks -7% synergy
Lotus Petal
7% of 1415 decks +1% synergy
Mind Stone
7% of 1415 decks -11% synergy
Talisman of Resilience
6% of 169 decks +4% synergy
Lands (50)
Command Tower
93% of 1415 decks +20% synergy
Overgrown Tomb
71% of 171 decks +62% synergy
Watery Grave
70% of 1415 decks +60% synergy
Breeding Pool
70% of 171 decks +60% synergy
Underground Mortuary
69% of 13 decks +64% synergy
Steam Vents
69% of 1192 decks +60% synergy
Xander's Lounge
69% of 1098 decks +65% synergy
Blood Crypt
68% of 1192 decks +59% synergy
Raffine's Tower
63% of 35 decks +59% synergy
Hallowed Fountain
60% of 43 decks +51% synergy
Godless Shrine
60% of 43 decks +51% synergy
Dragonskull Summit
60% of 1192 decks +54% synergy
Exotic Orchard
60% of 1415 decks +25% synergy
Zagoth Triome
57% of 166 decks +53% synergy
Drowned Catacomb
56% of 1415 decks +50% synergy
Shivan Reef
56% of 1192 decks +50% synergy
Crumbling Necropolis
55% of 1192 decks +51% synergy
Hedge Maze
54% of 13 decks +49% synergy
Training Center
53% of 1159 decks +47% synergy
Sulfur Falls
53% of 1192 decks +46% synergy
Temple Garden
50% of 14 decks +41% synergy
Stomping Ground
50% of 10 decks +41% synergy
Undergrowth Stadium
47% of 163 decks +42% synergy
Luxury Suite
47% of 1183 decks +41% synergy
Vault of Champions
46% of 41 decks +40% synergy
Hinterland Harbor
46% of 171 decks +41% synergy
Woodland Cemetery
46% of 171 decks +40% synergy
The World Tree
44% of 9 decks +42% synergy
Underground River
44% of 1415 decks +39% synergy
Morphic Pool
43% of 1404 decks +36% synergy
Sulfurous Springs
42% of 1192 decks +38% synergy
Arcane Sanctum
42% of 43 decks +38% synergy
Sea of Clouds
42% of 43 decks +36% synergy
Opal Palace
40% of 1415 decks +38% synergy
Raugrin Triome
40% of 10 decks +37% synergy
Sacred Foundry
40% of 10 decks +32% synergy
Opulent Palace
39% of 171 decks +36% synergy
Polluted Delta
39% of 1415 decks +28% synergy
Sunken Hollow
38% of 1413 decks +30% synergy
Rejuvenating Springs
37% of 163 decks +31% synergy
Bloodstained Mire
34% of 1415 decks +25% synergy
Llanowar Wastes
34% of 171 decks +29% synergy
Spara's Headquarters
33% of 12 decks +29% synergy
Jetmir's Garden
33% of 9 decks +29% synergy
Yavimaya Coast
33% of 171 decks +28% synergy
Scalding Tarn
33% of 1415 decks +22% synergy
Savai Triome
30% of 10 decks +27% synergy
Ziatora's Proving Ground
30% of 10 decks +27% synergy
Ketria Triome
30% of 10 decks +26% synergy
Deathcap Glade
30% of 151 decks +27% synergy