River Kelpie + Mikaeus, the Unhallowed + Viscera Seer

River Kelpie
Mikaeus, the Unhallowed
Viscera Seer

Requires
River Kelpie must be on the battlefield. Mikaeus, the Unhallowed must be on the battlefield. Viscera Seer must be on the battlefield.
Steps
  1. Activate Viscera Seer 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 Viscera Seer trigger, scrying 1.
  7. Activate Viscera Seer 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 Viscera Seer trigger, scrying 1.
  13. Repeat.
Results
Infinite card draw. Near-infinite death triggers. Near-infinite ETB. Near-infinite LTB. Near-infinite sacrifice triggers.

Top Commanders (2)
Marchesa, the Black Rose
12.48% of 8871 decks 1107 decks
Muldrotha, the Gravetide
0.67% of 14884 decks 99 decks
New Cards (2)
Satoru, the Infiltrator
83% of 41 decks +81% synergy
Rakdos, the Muscle
42% of 38 decks +40% synergy
High Synergy Cards (10)
Flayer of the Hatebound
87% of 1134 decks +87% synergy
Uncivil Unrest
84% of 577 decks +83% synergy
Unspeakable Symbol
79% of 1285 decks +79% synergy
Goblin Bombardment
79% of 1134 decks +76% synergy
Carrion Feeder
77% of 1285 decks +74% synergy
Grim Haruspex
75% of 1285 decks +72% synergy
Thran Vigil
70% of 820 decks +70% synergy
Glen Elendra Archmage
68% of 1285 decks +67% synergy
Yahenni, Undying Partisan
68% of 1281 decks +67% synergy
Luminous Broodmoth
68% of 40 decks +67% synergy
Top Cards (10)
Ashnod's Altar
81% of 1285 decks +73% synergy
Blasphemous Act
77% of 1134 decks +60% synergy
Solemn Simulacrum
72% of 1285 decks +57% synergy
Baleful Strix
71% of 1285 decks +68% synergy
Sakura-Tribe Elder
66% of 122 decks +57% synergy
Scorn-Blade Berserker
66% of 593 decks +65% synergy
Eternal Witness
65% of 122 decks +54% synergy
Drana, Liberator of Malakir
64% of 1283 decks +63% synergy
Iron Apprentice
64% of 1192 decks +64% synergy
Andúril, Narsil Reforged
64% of 266 decks +62% synergy
Creatures (50)
Spore Frog
62% of 122 decks +61% synergy
Kitchen Finks
62% of 13 decks +61% synergy
Herald of Secret Streams
61% of 1279 decks +59% synergy
Mahadi, Emporium Master
60% of 979 decks +59% synergy
Danny Pink
59% of 334 decks +58% synergy
Spark Double
54% of 1275 decks +50% synergy
Thundering Raiju
52% of 1076 decks +52% synergy
Braids, Arisen Nightmare
52% of 922 decks +48% synergy
Feral Ghoul
51% of 75 decks +47% synergy
Juri, Master of the Revue
50% of 1108 decks +49% synergy
Bloodtracker
48% of 1277 decks +48% synergy
Sage of Fables
48% of 1285 decks +48% synergy
Haywire Mite
48% of 61 decks +46% synergy
Gisa, Glorious Resurrector
47% of 1228 decks +46% synergy
Zealous Conscripts
47% of 1134 decks +46% synergy
Puppeteer Clique
46% of 1285 decks +45% synergy
Elas il-Kor, Sadistic Pilgrim
44% of 18 decks +41% synergy
Cankerbloom
44% of 43 decks +40% synergy
Mulldrifter
43% of 1285 decks +40% synergy
Birds of Paradise
43% of 122 decks +31% synergy
Dockside Extortionist
43% of 1122 decks +35% synergy
Greedy Freebooter
41% of 187 decks +40% synergy
Fain, the Broker
39% of 1247 decks +38% synergy
Underrealm Lich
39% of 122 decks +38% synergy
Safehold Elite
38% of 13 decks +38% synergy
Voldaren Thrillseeker
38% of 584 decks +38% synergy
Protean Hulk
35% of 122 decks +34% synergy
Kethek, Crucible Goliath
34% of 646 decks +34% synergy
Dauthi Voidwalker
34% of 1240 decks +29% synergy
Deathrite Shaman
34% of 122 decks +31% synergy
Dack's Duplicate
33% of 1134 decks +32% synergy
Bloodflow Connoisseur
32% of 1285 decks +32% synergy
Sun Titan
32% of 41 decks +26% synergy
The Gitrog Monster
31% of 122 decks +30% synergy
Immersturm Predator
31% of 1106 decks +30% synergy
Heartmender
31% of 13 decks +31% synergy
Saffi Eriksdotter
31% of 13 decks +30% synergy
Good-Fortune Unicorn
31% of 13 decks +30% synergy
Noble Hierarch
31% of 13 decks +29% synergy
World Shaper
30% of 122 decks +29% synergy
Fiend Artisan
30% of 119 decks +30% synergy
Yawgmoth, Thran Physician
30% of 1272 decks +28% synergy
Meren of Clan Nel Toth
29% of 122 decks +28% synergy
Grumgully, the Generous
27% of 11 decks +27% synergy
Hermit Druid
27% of 122 decks +27% synergy
Legate Lanius, Caesar's Ace
26% of 72 decks +26% synergy
Uro, Titan of Nature's Wrath
26% of 121 decks +25% synergy
Satyr Wayfinder
25% of 122 decks +24% synergy
Caustic Caterpillar
25% of 122 decks +24% synergy
Twilight Shepherd
24% of 41 decks +24% synergy
Instants (50)
Chaos Warp
59% of 1134 decks +43% synergy
Counterspell
54% of 1285 decks +32% synergy
Swords to Plowshares
51% of 41 decks +23% synergy
Cyclonic Rift
46% of 1285 decks +31% synergy
Path to Exile
39% of 41 decks +20% synergy
Terminate
39% of 1134 decks +34% synergy
Village Rites
39% of 1258 decks +33% synergy
Assassin's Trophy
38% of 122 decks +32% synergy
Enlightened Tutor
32% of 41 decks +23% synergy
Dovin's Veto
29% of 41 decks +25% synergy
Arcane Denial
28% of 1285 decks +18% synergy
Deadly Dispute
27% of 1229 decks +21% synergy
Negate
24% of 1285 decks +13% synergy
Void Rend
24% of 34 decks +21% synergy
Vampiric Tutor
22% of 1285 decks +12% synergy
Plumb the Forbidden
21% of 1247 decks +19% synergy
Fierce Guardianship
20% of 1261 decks +11% synergy
Mana Drain
18% of 1285 decks +11% synergy
Beast Within
18% of 122 decks -1% synergy
Swan Song
17% of 1285 decks +9% synergy
Feign Death
15% of 1233 decks +14% synergy
Heroic Intervention
15% of 122 decks +1% synergy
Cauldron Haze
15% of 41 decks +15% synergy
Teferi's Protection
15% of 41 decks +5% synergy
An Offer You Can't Refuse
15% of 1168 decks +4% synergy
Bedevil
14% of 1126 decks +11% synergy
Act of Aggression
14% of 1134 decks +14% synergy
Deflecting Swat
13% of 1115 decks +5% synergy
Abrupt Decay
12% of 122 decks +10% synergy
Silence
12% of 41 decks +9% synergy
Despark
12% of 41 decks +8% synergy
Generous Gift
12% of 41 decks +0% synergy
Harrow
11% of 122 decks +7% synergy
Crop Rotation
11% of 122 decks +6% synergy
Deadly Rollick
11% of 1261 decks +5% synergy
Rakdos Charm
10% of 1134 decks +6% synergy
Malakir Rebirth
9% of 1254 decks +4% synergy
Domineering Will
8% of 1285 decks +8% synergy
Slip Out the Back
8% of 1168 decks +6% synergy
Lethal Scheme
8% of 1168 decks +7% synergy
Veil of Summer
7% of 121 decks +4% synergy
Esper Charm
7% of 41 decks +7% synergy
Anguished Unmaking
7% of 41 decks +2% synergy
First Day of Class
7% of 1104 decks +7% synergy
Corrupted Conviction
7% of 593 decks +4% synergy
Nasty End
7% of 474 decks +5% synergy
Reality Shift
7% of 1285 decks +2% synergy
Krosan Grip
7% of 122 decks +2% synergy
Undying Malice
7% of 1213 decks +5% synergy
Brainstorm
6% of 1285 decks -5% synergy
Sorceries (48)
Mark of Mutiny
54% of 1134 decks +54% synergy
Feed the Swarm
51% of 1254 decks +41% synergy
Toxic Deluge
46% of 1285 decks +38% synergy
Vandalblast
45% of 1134 decks +37% synergy
Mob Rule
38% of 1134 decks +37% synergy
Demonic Tutor
34% of 1285 decks +22% synergy
Life from the Loam
34% of 122 decks +32% synergy
Mass Mutiny
26% of 1134 decks +26% synergy
Damnation
25% of 1285 decks +21% synergy
Victimize
24% of 1285 decks +18% synergy
Diabolic Intent
22% of 1285 decks +18% synergy
Supreme Verdict
20% of 41 decks +16% synergy
Idyllic Tutor
17% of 41 decks +14% synergy
Reanimate
16% of 1285 decks +9% synergy
Damn
16% of 38 decks +12% synergy
Farseek
16% of 122 decks -0% synergy
Insurrection
14% of 1134 decks +13% synergy
Seize the Spotlight
14% of 1053 decks +13% synergy
Living Death
14% of 1285 decks +11% synergy
Cultivate
14% of 122 decks -8% synergy
Wave Goodbye
13% of 275 decks +12% synergy
Nature's Lore
13% of 122 decks -2% synergy
Kodama's Reach
13% of 122 decks -2% synergy
Rise of the Witch-king
13% of 23 decks +12% synergy
Culling Ritual
12% of 114 decks +10% synergy
Austere Command
12% of 41 decks +6% synergy
Three Visits
11% of 122 decks -0% synergy
Splendid Reclamation
11% of 122 decks +9% synergy
Rampant Growth
11% of 122 decks -6% synergy
Resurgent Belief
11% of 38 decks +10% synergy
Jeska's Will
10% of 1108 decks +2% synergy
Kari Zev's Expertise
10% of 1130 decks +9% synergy
Bala Ged Recovery
10% of 115 decks +5% synergy
Act of Treason
9% of 1134 decks +9% synergy
Jarad's Orders
9% of 122 decks +9% synergy
Villainous Wealth
9% of 122 decks +8% synergy
Last One Standing
8% of 1127 decks +8% synergy
Furnace Reins
8% of 580 decks +7% synergy
Eldritch Evolution
7% of 122 decks +5% synergy
Sevinne's Reclamation
7% of 41 decks +4% synergy
Slave of Bolas
7% of 1134 decks +7% synergy
Agadeem's Awakening
6% of 1254 decks +4% synergy
Press into Service
6% of 1132 decks +6% synergy
Chain Reaction
6% of 1134 decks +3% synergy
Harness by Force
6% of 1134 decks +5% synergy
Buried Alive
5% of 1285 decks +3% synergy
Windfall
5% of 1285 decks -2% synergy
Traitorous Blood
5% of 1134 decks +5% synergy
Utility Artifacts (15)
Lightning Greaves
59% of 1285 decks +34% synergy
The Ozolith
51% of 1262 decks +47% synergy
Phyrexian Altar
44% of 1285 decks +40% synergy
Skullclamp
44% of 1285 decks +31% synergy
Birthing Pod
33% of 122 decks +31% synergy
Swiftfoot Boots
30% of 1285 decks +1% synergy
Altar of Dementia
27% of 1285 decks +24% synergy
Agatha's Soul Cauldron
27% of 376 decks +24% synergy
Conduit of Worlds
15% of 52 decks +12% synergy
Bolas's Citadel
10% of 1275 decks +5% synergy
Wayfarer's Bauble
10% of 1285 decks -1% synergy
Archaeomancer's Map
8% of 39 decks +6% synergy
The Great Henge
7% of 121 decks +3% synergy
Desecrated Tomb
6% of 1278 decks +5% synergy
Spawning Pit
6% of 1285 decks +5% synergy
Enchantments (50)
Solemnity
63% of 41 decks +63% synergy
Sneak Attack
57% of 1134 decks +56% synergy
Seal of Primordium
56% of 122 decks +55% synergy
Pernicious Deed
54% of 122 decks +54% synergy
Insidious Roots
43% of 7 decks +41% synergy
Rhystic Study
42% of 1285 decks +28% synergy
Phyrexian Unlife
37% of 41 decks +36% synergy
Dictate of Erebos
29% of 1285 decks +27% synergy
Grave Betrayal
28% of 1285 decks +28% synergy
Nine Lives
28% of 40 decks +27% synergy
Rhythm of the Wild
27% of 11 decks +22% synergy
Feast on the Fallen
25% of 1285 decks +25% synergy
Greater Good
22% of 122 decks +20% synergy
Delaying Shield
22% of 41 decks +22% synergy
Greater Auramancy
22% of 41 decks +21% synergy
Black Market Connections
21% of 1001 decks +15% synergy
Ghostly Prison
20% of 41 decks +14% synergy
Smothering Tithe
20% of 41 decks +8% synergy
Sylvan Library
19% of 122 decks +13% synergy
Exploration
17% of 122 decks +13% synergy
Grave Pact
17% of 1285 decks +14% synergy
Phyrexian Arena
16% of 1285 decks +9% synergy
Mystic Remora
15% of 1285 decks +6% synergy
Warstorm Surge
14% of 1134 decks +12% synergy
All Will Be One
14% of 614 decks +12% synergy
Defense of the Heart
14% of 122 decks +13% synergy
Journey to Eternity
12% of 122 decks +11% synergy
Celestial Convergence
12% of 41 decks +12% synergy
Grasp of Fate
12% of 41 decks +11% synergy
Animate Dead
12% of 1285 decks +7% synergy
Kenrith's Transformation
12% of 121 decks +8% synergy
Phyrexian Reclamation
11% of 1285 decks +9% synergy
Force Bubble
10% of 41 decks +10% synergy
Aura of Silence
10% of 41 decks +8% synergy
Land Tax
10% of 41 decks +7% synergy
Sultai Ascendancy
9% of 122 decks +9% synergy
Survival of the Fittest
9% of 122 decks +8% synergy
Black Market
9% of 1285 decks +6% synergy
Necropotence
9% of 1285 decks +6% synergy
Attrition
8% of 1285 decks +7% synergy
Pattern of Rebirth
7% of 122 decks +7% synergy
Carpet of Flowers
7% of 122 decks +5% synergy
Inner Sanctum
7% of 41 decks +7% synergy
Martyr's Bond
7% of 41 decks +7% synergy
Gift of Immortality
7% of 41 decks +6% synergy
Ethereal Armor
7% of 41 decks +6% synergy
Authority of the Consuls
7% of 41 decks +5% synergy
All That Glitters
7% of 41 decks +5% synergy
Cathars' Crusade
7% of 41 decks +4% synergy
Binding the Old Gods
7% of 114 decks +6% synergy
Battles (1)
Invasion of Ikoria
13% of 30 decks +11% synergy
Planeswalkers (6)
Wrenn and Realmbreaker
27% of 33 decks +26% synergy
Geyadrone Dihada
23% of 1098 decks +23% synergy
Oko, Thief of Crowns
19% of 121 decks +18% synergy
Tamiyo, Collector of Tales
10% of 121 decks +10% synergy
Liliana, Dreadhorde General
7% of 1275 decks +5% synergy
Tyvar, Jubilant Brawler
6% of 48 decks +5% synergy
Utility Lands (26)
High Market
51% of 1285 decks +48% synergy
Forge of Heroes
47% of 1277 decks +46% synergy
Phyrexian Tower
45% of 1285 decks +41% synergy
Bojuka Bog
43% of 1285 decks +27% synergy
Urborg, Tomb of Yawgmoth
31% of 1285 decks +20% synergy
Boseiju, Who Endures
30% of 104 decks +21% synergy
Reliquary Tower
26% of 1285 decks -2% synergy
The Black Gate
20% of 474 decks +17% synergy
Hall of Heliod's Generosity
17% of 41 decks +14% synergy
Ancient Tomb
15% of 1285 decks +4% synergy
Tyrite Sanctum
14% of 1249 decks +12% synergy
Drannith Ruins
13% of 526 decks +12% synergy
Otawara, Soaring City
10% of 1203 decks +2% synergy
Dryad Arbor
9% of 122 decks +7% synergy
Cabal Coffers
9% of 1285 decks +3% synergy
Nesting Grounds
8% of 1261 decks +7% synergy
Rogue's Passage
8% of 1285 decks -10% synergy
Takenuma, Abandoned Mire
8% of 1202 decks +2% synergy
Alchemist's Refuge
7% of 122 decks +6% synergy
Gaea's Cradle
7% of 122 decks +5% synergy
Strip Mine
6% of 1285 decks +3% synergy
Command Beacon
6% of 1283 decks +1% synergy
Temple of the False God
6% of 1285 decks -4% synergy
Tranquil Thicket
6% of 122 decks +4% synergy
Urza's Saga
6% of 1237 decks -2% synergy
Karn's Bastion
5% of 1275 decks -0% synergy
Mana Artifacts (23)
Sol Ring
94% of 1285 decks +9% synergy
Arcane Signet
89% of 1271 decks +18% synergy
Talisman of Indulgence
64% of 1134 decks +59% synergy
Talisman of Creativity
62% of 1122 decks +56% synergy
Talisman of Dominance
61% of 1285 decks +54% synergy
Rakdos Signet
56% of 1134 decks +49% synergy
Dimir Signet
51% of 1285 decks +43% synergy
Izzet Signet
48% of 1134 decks +41% synergy
Talisman of Progress
29% of 41 decks +25% synergy
Azorius Signet
29% of 41 decks +23% synergy
Orzhov Signet
29% of 41 decks +23% synergy
Fellwar Stone
28% of 1285 decks +7% synergy
Talisman of Hierarchy
27% of 41 decks +21% synergy
Chromatic Lantern
15% of 1285 decks +5% synergy
Relic of Sauron
14% of 443 decks +13% synergy
Simic Signet
13% of 122 decks +10% synergy
Mana Crypt
13% of 1285 decks +1% synergy
Golgari Signet
11% of 122 decks +9% synergy
Commander's Sphere
10% of 1285 decks -6% synergy
Thought Vessel
9% of 1283 decks -7% synergy
Mind Stone
7% of 1285 decks -12% synergy
Lotus Petal
6% of 1285 decks -1% synergy
Talisman of Resilience
6% of 121 decks +4% synergy
Lands (50)
Command Tower
93% of 1285 decks +20% synergy
Watery Grave
69% of 1285 decks +58% synergy
Overgrown Tomb
69% of 122 decks +60% synergy
Xander's Lounge
69% of 1053 decks +65% synergy
Steam Vents
68% of 1134 decks +59% synergy
Blood Crypt
67% of 1134 decks +58% synergy
Breeding Pool
66% of 122 decks +57% synergy
Godless Shrine
66% of 41 decks +56% synergy
Hallowed Fountain
63% of 41 decks +54% synergy
Exotic Orchard
61% of 1285 decks +26% synergy
Dragonskull Summit
61% of 1134 decks +54% synergy
Raffine's Tower
61% of 33 decks +57% synergy
Shivan Reef
58% of 1134 decks +52% synergy
Crumbling Necropolis
56% of 1134 decks +52% synergy
Drowned Catacomb
55% of 1285 decks +49% synergy
Stomping Ground
55% of 11 decks +45% synergy
Zagoth Triome
54% of 118 decks +51% synergy
Training Center
54% of 1108 decks +47% synergy
Sulfur Falls
53% of 1134 decks +47% synergy
The World Tree
50% of 8 decks +48% synergy
Hedge Maze
50% of 6 decks +46% synergy
Underground Mortuary
50% of 6 decks +45% synergy
Temple Garden
46% of 13 decks +37% synergy
Luxury Suite
46% of 1127 decks +39% synergy
Underground River
45% of 1285 decks +41% synergy
Ziatora's Proving Ground
44% of 9 decks +41% synergy
Sacred Foundry
44% of 9 decks +36% synergy
Opal Palace
44% of 1285 decks +41% synergy
Jetmir's Garden
43% of 7 decks +38% synergy
Morphic Pool
42% of 1278 decks +36% synergy
Rejuvenating Springs
42% of 114 decks +36% synergy
Sulfurous Springs
42% of 1134 decks +38% synergy
Undergrowth Stadium
41% of 114 decks +36% synergy
Woodland Cemetery
39% of 122 decks +33% synergy
Sunken Hollow
38% of 1283 decks +29% synergy
Hinterland Harbor
38% of 122 decks +32% synergy
Polluted Delta
38% of 1285 decks +27% synergy
Arcane Sanctum
37% of 41 decks +33% synergy
Vault of Champions
36% of 39 decks +30% synergy
Bloodstained Mire
35% of 1285 decks +25% synergy
Sea of Clouds
34% of 41 decks +28% synergy
Scalding Tarn
34% of 1285 decks +22% synergy
Spara's Headquarters
33% of 9 decks +29% synergy
Guildmages' Forum
31% of 1277 decks +31% synergy
Smoldering Marsh
30% of 1132 decks +22% synergy
Llanowar Wastes
29% of 122 decks +24% synergy
Ketria Triome
27% of 11 decks +24% synergy
Glacial Fortress
27% of 41 decks +22% synergy
Evolving Wilds
26% of 1285 decks +5% synergy
Shipwreck Marsh
25% of 1229 decks +20% synergy