Keiga, the Tide Star + Nim Deathmantle + Ashnod's Altar

Keiga, the Tide Star
Nim Deathmantle
Ashnod's Altar

Requires
Keiga, the Tide Star must be on the battlefield. Nim Deathmantle must be on the battlefield. Ashnod's Altar must be on the battlefield.
Steps
  1. Whenever an opponent controls a creature, activate Ashnod's Altar by sacrificing Keiga, adding .
  2. When Keiga dies, it and Nim Deathmantle trigger.
  3. Resolve the Keiga trigger, causing you to gain control of a creature an opponent controls.
  4. Activate Ashnod's Altar by sacrificing the creature you gained control of in step 3, adding .
  5. Resolve the Nim Deathmantle trigger from step 2, causing you to pay 4 to return Keiga from your graveyard to the battlefield, and attach Nim Deathmantle to it.
  6. Repeat as desired and/or whenever a creature enters the battlefield under an opponent's control.
Results
Gain control of all creatures opponents control and sacrifice them. Gain control of any creature that enters the battlefield under an opponent's control.

Inga Rune-Eyes
27.18% of 103 decks 28 decks
Keiga, the Tide Star
3.61% of 305 decks 11 decks
The Ever-Changing 'Dane
1.46% of 754 decks 11 decks
Kyodai, Soul of Kamigawa
0.49% of 1849 decks 9 decks
Sivitri, Dragon Master
0.39% of 1790 decks 7 decks
Kenrith, the Returned King
0.01% of 21550 decks 3 decks
Tiamat
0.05% of 6183 decks 3 decks
O-Kagachi, Vengeful Kami
0.15% of 1298 decks 2 decks
Kairi, the Swirling Sky
0.64% of 314 decks 2 decks
Hidetsugu and Kairi
0.08% of 2572 decks 2 decks
Scion of the Ur-Dragon
0.08% of 2648 decks 2 decks
The Ancient One
0.04% of 2279 decks 1 decks
Breya, Etherium Shaper
0.01% of 13897 decks 1 decks
Yasova Dragonclaw
0.07% of 1358 decks 1 decks
Renari, Merchant of Marvels // Scion of Halaster
8.33% of 12 decks 1 decks
Vela the Night-Clad
0.15% of 685 decks 1 decks
Geralf, Visionary Stitcher
0.10% of 1049 decks 1 decks
Volo, Guide to Monsters
0.01% of 7559 decks 1 decks
High Synergy Cards
Ao, the Dawn Sky
86% of 35 decks +85% synergy
Atsushi, the Blazing Sky
86% of 28 decks +83% synergy
Junji, the Midnight Sky
83% of 52 decks +80% synergy
Kura, the Boundless Sky
80% of 25 decks +79% synergy
Kokusho, the Evening Star
79% of 53 decks +77% synergy
Yosei, the Morning Star
77% of 35 decks +77% synergy
Jugan, the Rising Star
72% of 25 decks +72% synergy
Ryusei, the Falling Star
71% of 28 decks +70% synergy
Miirym, Sentinel Wyrm
70% of 23 decks +63% synergy
Teysa Karlov
64% of 33 decks +59% synergy
Top Cards
The Kami War
62% of 21 decks +55% synergy
Kairi, the Swirling Sky
57% of 103 decks +57% synergy
Swords to Plowshares
54% of 35 decks -8% synergy
Carmen, Cruel Skymarcher
53% of 15 decks +48% synergy
Solemn Simulacrum
52% of 105 decks +38% synergy
Greater Good
52% of 25 decks +47% synergy
Reanimate
49% of 53 decks +34% synergy
Path to Exile
49% of 35 decks +3% synergy
Nature's Lore
48% of 25 decks +16% synergy
O-Kagachi, Vengeful Kami
48% of 21 decks +44% synergy
Creatures
Ratadrabik of Urborg
44% of 32 decks +41% synergy
Drivnod, Carnage Dominus
42% of 40 decks +39% synergy
Birds of Paradise
36% of 25 decks +9% synergy
Mulldrifter
35% of 105 decks +29% synergy
Bladewing the Risen
33% of 24 decks +31% synergy
Pitiless Plunderer
33% of 52 decks +25% synergy
Chasm Skulker
30% of 105 decks +26% synergy
Malcator's Watcher
30% of 77 decks +30% synergy
Roaming Throne
29% of 41 decks +19% synergy
Jeskai Sage
29% of 105 decks +29% synergy
Burnished Hart
29% of 105 decks +24% synergy
Palace Familiar
28% of 105 decks +28% synergy
Reef Worm
28% of 105 decks +27% synergy
Bane, Lord of Darkness
27% of 33 decks +27% synergy
Nadir Kraken
27% of 104 decks +25% synergy
Surveilling Sprite
27% of 105 decks +27% synergy
Viscera Seer
26% of 53 decks +17% synergy
Oculus
26% of 105 decks +26% synergy
Overcharged Amalgam
25% of 104 decks +24% synergy
Glasspool Mimic
25% of 104 decks +22% synergy
Floating-Dream Zubera
25% of 105 decks +25% synergy
Grim Haruspex
25% of 53 decks +20% synergy
Minn, Wily Illusionist
24% of 104 decks +23% synergy
Kyodai, Soul of Kamigawa
24% of 21 decks +22% synergy
Psychosis Crawler
24% of 105 decks +21% synergy
Ancient Brass Dragon
24% of 51 decks +21% synergy
Murder of Crows
23% of 105 decks +23% synergy
Karmic Guide
23% of 35 decks +18% synergy
Rivaz of the Claw
23% of 22 decks +20% synergy
Mikaeus, the Unhallowed
23% of 53 decks +20% synergy
Zulaport Cutthroat
23% of 53 decks +13% synergy
Sidisi's Faithful
22% of 105 decks +22% synergy
Hofri Ghostforge
22% of 23 decks +21% synergy
Merieke Ri Berit
21% of 33 decks +21% synergy
Salvager of Ruin
21% of 104 decks +21% synergy
River Kelpie
21% of 105 decks +20% synergy
Whirler Rogue
21% of 105 decks +19% synergy
Oracle of Tragedy
21% of 68 decks +20% synergy
Stitcher's Apprentice
20% of 105 decks +20% synergy
Selhoff Occultist
20% of 105 decks +20% synergy
Delighted Halfling
20% of 15 decks +6% synergy
Body Launderer
20% of 51 decks +19% synergy
Youthful Scholar
19% of 105 decks +19% synergy
Aura Thief
19% of 105 decks +19% synergy
Korvold, Fae-Cursed King
19% of 21 decks +15% synergy
Scion of the Ur-Dragon
19% of 21 decks +15% synergy
Dragonlord Silumgar
19% of 53 decks +18% synergy
Elas il-Kor, Sadistic Pilgrim
19% of 32 decks +7% synergy
Purple-Crystal Crab
18% of 104 decks +18% synergy
Tivit, Seller of Secrets
18% of 33 decks +16% synergy
Instants
Counterspell
45% of 105 decks +2% synergy
High Tide
33% of 105 decks +30% synergy
Cyclonic Rift
31% of 105 decks +3% synergy
Malakir Rebirth
31% of 52 decks +22% synergy
Pongify
30% of 105 decks +18% synergy
Brought Back
29% of 35 decks +28% synergy
Reality Shift
29% of 105 decks +20% synergy
Assassin's Trophy
29% of 21 decks -2% synergy
An Offer You Can't Refuse
28% of 101 decks +7% synergy
Anguished Unmaking
27% of 33 decks +3% synergy
Arcane Denial
27% of 105 decks +7% synergy
Vampiric Tutor
26% of 53 decks +8% synergy
Cackling Counterpart
26% of 105 decks +24% synergy
Beast Within
24% of 25 decks -15% synergy
Deadly Rollick
23% of 52 decks +12% synergy
Generous Gift
23% of 35 decks -3% synergy
Void Rend
21% of 33 decks +6% synergy
Negate
21% of 105 decks -2% synergy
Sink into Stupor
21% of 24 decks +7% synergy
Resculpt
20% of 104 decks +15% synergy
Enlightened Tutor
20% of 35 decks +2% synergy
Mana Drain
18% of 105 decks +3% synergy
Worldly Tutor
16% of 25 decks +2% synergy
Sublime Epiphany
15% of 104 decks +13% synergy
Fierce Guardianship
15% of 104 decks -3% synergy
Mystical Tutor
15% of 105 decks +0% synergy
Despark
15% of 33 decks -1% synergy
Dark Ritual
15% of 53 decks -7% synergy
Faith's Reward
14% of 35 decks +14% synergy
Rapid Hybridization
13% of 105 decks +4% synergy
Entomb
13% of 53 decks +6% synergy
Strix Serenade
12% of 24 decks +5% synergy
Swan Song
12% of 105 decks -4% synergy
Brainstorm
12% of 105 decks -9% synergy
Momentous Fall
12% of 25 decks +10% synergy
Teferi's Protection
11% of 35 decks -9% synergy
Sarkhan's Triumph
11% of 28 decks +10% synergy
Three Steps Ahead
11% of 28 decks +6% synergy
Evacuation
10% of 105 decks +9% synergy
Aetherize
10% of 105 decks +5% synergy
Not Dead After All
10% of 29 decks +7% synergy
Illusionist's Stratagem
10% of 105 decks +9% synergy
Saw in Half
9% of 44 decks +6% synergy
Second Sunrise
9% of 35 decks +8% synergy
Fated Infatuation
9% of 105 decks +8% synergy
Abjure
9% of 105 decks +8% synergy
Render Silent
9% of 35 decks +6% synergy
Dovin's Veto
9% of 35 decks -11% synergy
Perilous Research
8% of 105 decks +7% synergy
Frantic Search
8% of 105 decks -4% synergy
Sorceries
Cultivate
40% of 25 decks -6% synergy
Victimize
38% of 53 decks +26% synergy
Three Visits
36% of 25 decks +11% synergy
Kodama's Reach
36% of 25 decks +4% synergy
Demonic Tutor
34% of 53 decks +12% synergy
Farseek
32% of 25 decks -2% synergy
Eerie Ultimatum
29% of 21 decks +16% synergy
Crux of Fate
28% of 53 decks +26% synergy
Damn
27% of 33 decks +11% synergy
Rite of Replication
27% of 105 decks +23% synergy
Living Death
25% of 53 decks +19% synergy
Ravenform
24% of 104 decks +21% synergy
Fabricate
21% of 105 decks +15% synergy
Life's Legacy
20% of 25 decks +18% synergy
Eldritch Evolution
20% of 25 decks +15% synergy
Skyshroud Claim
20% of 25 decks +11% synergy
Toxic Deluge
19% of 53 decks +2% synergy
Blasphemous Act
18% of 28 decks -16% synergy
Buried Alive
17% of 53 decks +11% synergy
Fade Away
16% of 105 decks +16% synergy
Neoform
16% of 25 decks +11% synergy
Feed the Swarm
15% of 52 decks -3% synergy
Dread Return
15% of 53 decks +10% synergy
Faithless Looting
14% of 28 decks -3% synergy
Agadeem's Awakening
13% of 52 decks +10% synergy
Mitotic Manipulation
12% of 105 decks +12% synergy
Unburial Rites
12% of 33 decks +9% synergy
Bala Ged Recovery
12% of 25 decks +3% synergy
Rampant Growth
12% of 25 decks -23% synergy
Quasiduplicate
12% of 104 decks +10% synergy
Sea Gate Restoration
12% of 104 decks +7% synergy
Time Wipe
11% of 35 decks +5% synergy
Sevinne's Reclamation
11% of 35 decks +4% synergy
Patriarch's Bidding
11% of 53 decks +8% synergy
Damnation
11% of 53 decks +3% synergy
Retraced Image
10% of 105 decks +10% synergy
Windfall
10% of 105 decks -4% synergy
Ponder
9% of 105 decks -4% synergy
Haunting Voyage
8% of 52 decks +7% synergy
Footsteps of the Goryo
8% of 53 decks +7% synergy
Stitch Together
8% of 53 decks +6% synergy
Rise of the Dark Realms
8% of 53 decks +4% synergy
Grim Tutor
8% of 53 decks +3% synergy
Diabolic Intent
8% of 53 decks -1% synergy
Sakashima's Will
7% of 104 decks +6% synergy
Blood for Bones
6% of 52 decks +5% synergy
Incarnation Technique
6% of 52 decks +5% synergy
Stolen Identity
6% of 105 decks +5% synergy
Preordain
6% of 105 decks -5% synergy
Mirage Mockery
5% of 78 decks +5% synergy
Utility Artifacts
Phyrexian Altar
43% of 105 decks +39% synergy
Skullclamp
41% of 105 decks +29% synergy
Altar of Dementia
40% of 105 decks +37% synergy
Cauldron of Souls
36% of 105 decks +36% synergy
Wayfarer's Bauble
30% of 105 decks +20% synergy
Spawning Pit
27% of 105 decks +26% synergy
Sapphire Medallion
25% of 105 decks +23% synergy
Birthing Pod
24% of 25 decks +21% synergy
Lightning Coils
21% of 105 decks +21% synergy
Deathrender
20% of 105 decks +20% synergy
Blasting Station
16% of 105 decks +16% synergy
Blade of Selves
16% of 105 decks +15% synergy
Lightning Greaves
16% of 105 decks -9% synergy
Mimic Vat
15% of 105 decks +14% synergy
Swiftfoot Boots
14% of 105 decks -14% synergy
Resurrection Orb
14% of 86 decks +13% synergy
Monster Manual
12% of 25 decks +9% synergy
The Great Henge
12% of 25 decks +2% synergy
Vedalken Shackles
10% of 105 decks +10% synergy
Urza's Incubator
10% of 105 decks +7% synergy
Strionic Resonator
10% of 105 decks +7% synergy
Lithoform Engine
9% of 104 decks +7% synergy
Gate to the Afterlife
9% of 105 decks +9% synergy
Isochron Scepter
9% of 105 decks +6% synergy
The One Ring
8% of 71 decks -1% synergy
Mirage Mirror
7% of 105 decks +5% synergy
Relic Vial
6% of 104 decks +6% synergy
Helm of the Host
6% of 104 decks +3% synergy
Lifeline
6% of 105 decks +6% synergy
Culling Dais
6% of 105 decks +5% synergy
Weatherlight Compleated
5% of 94 decks +5% synergy
Enchantments
Animate Dead
34% of 53 decks +25% synergy
Smothering Tithe
29% of 35 decks +4% synergy
Homarid Spawning Bed
28% of 105 decks +28% synergy
Rhystic Study
27% of 105 decks -1% synergy
Temur Ascendancy
26% of 23 decks +11% synergy
Jugan Defends the Temple
24% of 25 decks +23% synergy
Mirari's Wake
24% of 21 decks +10% synergy
Gift of Immortality
23% of 35 decks +21% synergy
Goblin Bombardment
21% of 28 decks +15% synergy
False Demise
21% of 105 decks +21% synergy
Phyrexian Reclamation
21% of 53 decks +17% synergy
Fool's Demise
19% of 105 decks +19% synergy
Journey to Eternity
19% of 21 decks +16% synergy
Descendants' Fury
19% of 16 decks +18% synergy
Molten Echoes
18% of 28 decks +16% synergy
Dragon Tempest
18% of 28 decks +14% synergy
Black Market Connections
18% of 51 decks +7% synergy
Mirror Mockery
17% of 105 decks +17% synergy
Ominous Seas
16% of 104 decks +13% synergy
Garruk's Uprising
16% of 25 decks +1% synergy
Mystic Remora
15% of 105 decks -3% synergy
Sneak Attack
14% of 28 decks +12% synergy
Grave Pact
13% of 53 decks +9% synergy
Life Insurance
12% of 33 decks +10% synergy
Defense of the Heart
12% of 25 decks +9% synergy
Legion Loyalty
11% of 35 decks +10% synergy
Warstorm Surge
11% of 28 decks +5% synergy
Impact Tremors
11% of 28 decks +1% synergy
Bastion of Remembrance
10% of 52 decks +3% synergy
Chamber of Manipulation
10% of 105 decks +9% synergy
Propaganda
10% of 105 decks -2% synergy
Necromancy
9% of 53 decks +6% synergy
Dictate of Erebos
9% of 53 decks +6% synergy
Endless Evil
8% of 98 decks +7% synergy
Black Market
8% of 53 decks +3% synergy
Thran Vigil
7% of 41 decks +7% synergy
Imprisoned in the Moon
7% of 105 decks +3% synergy
The Meathook Massacre
6% of 52 decks +1% synergy
Reflections of Littjara
6% of 104 decks +1% synergy
Dawn of the Dead
6% of 53 decks +6% synergy
Palace Siege
6% of 53 decks +5% synergy
Dance of the Dead
6% of 53 decks +4% synergy
Revel in Riches
6% of 53 decks +2% synergy
Phyrexian Arena
6% of 53 decks -9% synergy
Planeswalkers
Kaya the Inexorable
9% of 33 decks +7% synergy
Jace, Wielder of Mysteries
9% of 104 decks +5% synergy
Ugin, the Spirit Dragon
6% of 105 decks +4% synergy
Utility Lands
High Market
41% of 105 decks +38% synergy
Otawara, Soaring City
41% of 103 decks +24% synergy
Reliquary Tower
37% of 105 decks +8% synergy
Mystic Sanctuary
30% of 104 decks +18% synergy
Castle Vantress
26% of 104 decks +22% synergy
Boseiju, Who Endures
24% of 25 decks +4% synergy
Takenuma, Abandoned Mire
21% of 52 decks +10% synergy
Bojuka Bog
21% of 53 decks -10% synergy
Phyrexian Tower
19% of 53 decks +10% synergy
Cabal Coffers
19% of 53 decks +8% synergy
War Room
18% of 104 decks +12% synergy
Urborg, Tomb of Yawgmoth
15% of 105 decks +5% synergy
Sokenzan, Crucible of Defiance
14% of 28 decks +9% synergy
Eiganjo, Seat of the Empire
14% of 35 decks +5% synergy
Ancient Tomb
14% of 105 decks +4% synergy
Academy Ruins
12% of 105 decks +7% synergy
Temple of the False God
12% of 105 decks +3% synergy
Mosswort Bridge
12% of 25 decks +2% synergy
Haunted Fengraf
11% of 105 decks +11% synergy
Hall of Heliod's Generosity
11% of 35 decks +5% synergy
Urza's Saga
11% of 104 decks +3% synergy
Command Beacon
10% of 105 decks +5% synergy
Buried Ruin
10% of 105 decks +4% synergy
Rogue's Passage
10% of 105 decks -10% synergy
Strip Mine
9% of 105 decks +6% synergy
Arcane Lighthouse
8% of 105 decks +6% synergy
Scavenger Grounds
8% of 105 decks +4% synergy
Nykthos, Shrine to Nyx
8% of 105 decks +2% synergy
Crucible of the Spirit Dragon
7% of 105 decks +6% synergy
Mirrorpool
7% of 105 decks +6% synergy
Riptide Laboratory
6% of 105 decks +4% synergy
Lonely Sandbar
6% of 105 decks +2% synergy
Inventors' Fair
6% of 105 decks +2% synergy
Seat of the Synod
6% of 105 decks -1% synergy
Volrath's Stronghold
6% of 53 decks +4% synergy
Vault of Whispers
6% of 53 decks +1% synergy
Shizo, Death's Storehouse
6% of 53 decks +1% synergy
Mana Artifacts
Sol Ring
90% of 105 decks +6% synergy
Arcane Signet
81% of 104 decks +9% synergy
Thought Vessel
38% of 105 decks +21% synergy
Dimir Signet
38% of 53 decks +8% synergy
Mind Stone
36% of 105 decks +19% synergy
Talisman of Dominance
36% of 53 decks +5% synergy
Midnight Clock
28% of 104 decks +23% synergy
Talisman of Hierarchy
27% of 33 decks +3% synergy
Fellwar Stone
27% of 105 decks +6% synergy
Talisman of Progress
26% of 35 decks +3% synergy
Orzhov Signet
24% of 33 decks -3% synergy
Azorius Signet
23% of 35 decks -3% synergy
Talisman of Creativity
18% of 28 decks -11% synergy
Talisman of Indulgence
17% of 24 decks -9% synergy
Talisman of Curiosity
16% of 25 decks +4% synergy
Dragon's Hoard
15% of 104 decks +14% synergy
Chromatic Lantern
15% of 105 decks +6% synergy
Izzet Signet
14% of 28 decks -14% synergy
Talisman of Conviction
13% of 23 decks -10% synergy
Machine God's Effigy
12% of 83 decks +11% synergy
Orb of Dragonkind
11% of 28 decks +9% synergy
Thran Dynamo
10% of 105 decks +6% synergy
Sky Diamond
10% of 105 decks +4% synergy
Gilded Lotus
9% of 105 decks +5% synergy
Mana Crypt
9% of 105 decks -1% synergy
Commander's Sphere
9% of 105 decks -7% synergy
Chromatic Orrery
7% of 104 decks +5% synergy
Lands
Contaminated Landscape
57% of 7 decks +44% synergy
Watery Grave
55% of 53 decks +14% synergy
Command Tower
52% of 105 decks -21% synergy
The World Tree
48% of 21 decks +14% synergy
Sunken Hollow
45% of 53 decks +11% synergy
Hallowed Fountain
43% of 35 decks +2% synergy
Drowned Catacomb
40% of 53 decks +14% synergy
Zagoth Triome
38% of 21 decks +7% synergy
Indatha Triome
38% of 21 decks +7% synergy
Temple Garden
38% of 21 decks -2% synergy
Raffine's Tower
36% of 33 decks +8% synergy
Godless Shrine
36% of 33 decks -4% synergy
Myriad Landscape
35% of 105 decks +15% synergy
Morphic Pool
33% of 52 decks +7% synergy
Breeding Pool
32% of 25 decks -9% synergy
Undercity Sewers
32% of 22 decks +18% synergy
Shipwreck Marsh
31% of 52 decks +12% synergy
Ketria Triome
30% of 23 decks -2% synergy
Stomping Ground
30% of 23 decks -11% synergy
Blood Crypt
29% of 24 decks -10% synergy
Steam Vents
29% of 28 decks -11% synergy
Overgrown Tomb
29% of 21 decks -14% synergy
Savai Triome
27% of 22 decks +0% synergy
Raugrin Triome
26% of 23 decks -1% synergy
Smoldering Marsh
25% of 24 decks -7% synergy
Underground River
25% of 53 decks +5% synergy
Spara's Headquarters
24% of 21 decks -8% synergy
Ziatora's Proving Ground
24% of 21 decks -8% synergy
Exotic Orchard
23% of 105 decks -13% synergy
Choked Estuary
23% of 53 decks +6% synergy
Arcane Sanctum
21% of 33 decks -6% synergy
Polluted Delta
21% of 105 decks +10% synergy
Darkwater Catacombs
21% of 53 decks +6% synergy
Shadowy Backstreet
20% of 15 decks +7% synergy
Tropical Island
20% of 25 decks +6% synergy
Hinterland Harbor
20% of 25 decks -7% synergy
Jetmir's Garden
19% of 21 decks -14% synergy
Canopy Vista
19% of 21 decks -17% synergy
Vault of Champions
18% of 33 decks -8% synergy
Isolated Chapel
18% of 33 decks -9% synergy
Volcanic Island
18% of 28 decks +4% synergy
Meticulous Archive
18% of 17 decks +7% synergy
Plateau
17% of 23 decks +5% synergy
Taiga
17% of 23 decks +4% synergy
Xander's Lounge
17% of 23 decks -10% synergy
Sacred Foundry
17% of 23 decks -19% synergy
Haven of the Spirit Dragon
17% of 105 decks +16% synergy
Glacial Fortress
17% of 35 decks -8% synergy
Underground Sea
17% of 53 decks +3% synergy
Badlands
17% of 24 decks +3% synergy