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
25.49% of 102 decks 26 decks
Keiga, the Tide Star
3.56% of 309 decks 11 decks
The Ever-Changing 'Dane
1.46% of 754 decks 11 decks
Kyodai, Soul of Kamigawa
0.48% of 1858 decks 9 decks
Sivitri, Dragon Master
0.45% of 1781 decks 8 decks
Tiamat
0.05% of 6173 decks 3 decks
Kenrith, the Returned King
0.01% of 21730 decks 3 decks
O-Kagachi, Vengeful Kami
0.15% of 1327 decks 2 decks
Kairi, the Swirling Sky
0.62% of 320 decks 2 decks
Hidetsugu and Kairi
0.07% of 2688 decks 2 decks
Scion of the Ur-Dragon
0.08% of 2653 decks 2 decks
Genku, Future Shaper
0.14% of 727 decks 1 decks
Burakos, Party Leader // Shameless Charlatan
16.67% of 6 decks 1 decks
Empress Galina
0.15% of 668 decks 1 decks
Breya, Etherium Shaper
0.01% of 13908 decks 1 decks
Araumi of the Dead Tide
0.03% of 3300 decks 1 decks
Volo, Guide to Monsters
0.01% of 7583 decks 1 decks
Lord of Tresserhorn
0.14% of 735 decks 1 decks
High Synergy Cards
Atsushi, the Blazing Sky
89% of 27 decks +86% synergy
Ao, the Dawn Sky
86% of 35 decks +85% synergy
Kura, the Boundless Sky
83% of 24 decks +82% synergy
Junji, the Midnight Sky
81% of 53 decks +78% 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
75% of 24 decks +75% synergy
Ryusei, the Falling Star
74% of 27 decks +73% synergy
Miirym, Sentinel Wyrm
73% of 22 decks +66% synergy
Teysa Karlov
64% of 33 decks +59% synergy
Top Cards
The Kami War
65% of 20 decks +58% synergy
Swords to Plowshares
57% of 35 decks -6% synergy
Kairi, the Swirling Sky
56% of 103 decks +56% synergy
Greater Good
54% of 24 decks +49% synergy
Carmen, Cruel Skymarcher
53% of 15 decks +49% synergy
Solemn Simulacrum
53% of 104 decks +39% synergy
O-Kagachi, Vengeful Kami
50% of 20 decks +47% synergy
Nature's Lore
50% of 24 decks +18% synergy
Reanimate
49% of 53 decks +33% synergy
Path to Exile
49% of 35 decks +3% synergy
Creatures
Ratadrabik of Urborg
44% of 32 decks +41% synergy
Drivnod, Carnage Dominus
39% of 41 decks +36% synergy
Birds of Paradise
38% of 24 decks +10% synergy
Mulldrifter
36% of 104 decks +30% synergy
Bladewing the Risen
35% of 23 decks +32% synergy
Pitiless Plunderer
34% of 53 decks +26% synergy
Chasm Skulker
30% of 104 decks +26% synergy
Malcator's Watcher
29% of 78 decks +29% synergy
Reef Worm
28% of 104 decks +27% synergy
Bane, Lord of Darkness
27% of 33 decks +27% synergy
Jeskai Sage
27% of 104 decks +27% synergy
Burnished Hart
27% of 104 decks +23% synergy
Viscera Seer
26% of 53 decks +17% synergy
Roaming Throne
26% of 42 decks +16% synergy
Palace Familiar
26% of 104 decks +26% synergy
Karmic Guide
26% of 35 decks +21% synergy
Oculus
25% of 104 decks +25% synergy
Surveilling Sprite
25% of 104 decks +25% synergy
Floating-Dream Zubera
25% of 104 decks +25% synergy
Kyodai, Soul of Kamigawa
25% of 20 decks +23% synergy
Nadir Kraken
25% of 104 decks +23% synergy
Grim Haruspex
25% of 53 decks +20% synergy
Overcharged Amalgam
24% of 103 decks +23% synergy
Glasspool Mimic
24% of 104 decks +21% synergy
Rivaz of the Claw
24% of 21 decks +21% synergy
Minn, Wily Illusionist
23% of 103 decks +22% synergy
Murder of Crows
23% of 104 decks +23% synergy
Ancient Brass Dragon
23% of 52 decks +21% synergy
Psychosis Crawler
23% of 104 decks +20% synergy
Hofri Ghostforge
23% of 22 decks +22% synergy
Sidisi's Faithful
22% of 104 decks +22% synergy
River Kelpie
22% of 104 decks +21% synergy
Delighted Halfling
21% of 14 decks +7% synergy
Merieke Ri Berit
21% of 33 decks +21% synergy
Dragonlord Silumgar
21% of 53 decks +20% synergy
Zulaport Cutthroat
21% of 53 decks +11% synergy
Oracle of Tragedy
20% of 69 decks +20% synergy
Salvager of Ruin
20% of 104 decks +20% synergy
Whirler Rogue
20% of 104 decks +18% synergy
Korvold, Fae-Cursed King
20% of 20 decks +16% synergy
Scion of the Ur-Dragon
20% of 20 decks +16% synergy
Stitcher's Apprentice
19% of 104 decks +19% synergy
Selhoff Occultist
19% of 104 decks +19% synergy
Aura Thief
19% of 104 decks +19% synergy
Body Launderer
19% of 52 decks +18% synergy
Mikaeus, the Unhallowed
19% of 53 decks +16% synergy
Elas il-Kor, Sadistic Pilgrim
19% of 32 decks +7% synergy
Dragonlord's Servant
19% of 27 decks +16% synergy
Hidetsugu and Kairi
18% of 38 decks +17% synergy
Drowned Rusalka
18% of 104 decks +18% synergy
Instants
Counterspell
45% of 104 decks +2% synergy
High Tide
34% of 104 decks +30% synergy
Cyclonic Rift
34% of 104 decks +6% synergy
Malakir Rebirth
32% of 53 decks +24% synergy
Anguished Unmaking
30% of 33 decks +6% synergy
Vampiric Tutor
30% of 53 decks +12% synergy
Assassin's Trophy
30% of 20 decks -0% synergy
Pongify
29% of 104 decks +17% synergy
Brought Back
29% of 35 decks +28% synergy
An Offer You Can't Refuse
28% of 102 decks +8% synergy
Reality Shift
28% of 104 decks +19% synergy
Arcane Denial
27% of 104 decks +7% synergy
Deadly Rollick
26% of 53 decks +16% synergy
Cackling Counterpart
26% of 104 decks +25% synergy
Beast Within
25% of 24 decks -14% synergy
Enlightened Tutor
23% of 35 decks +5% synergy
Generous Gift
23% of 35 decks -3% synergy
Waterlogged Teachings
22% of 18 decks +16% synergy
Sink into Stupor
21% of 28 decks +8% synergy
Void Rend
21% of 33 decks +7% synergy
Negate
20% of 104 decks -3% synergy
Resculpt
19% of 103 decks +14% synergy
Mana Drain
19% of 104 decks +4% synergy
Dark Ritual
17% of 53 decks -5% synergy
Fell the Profane
17% of 18 decks +5% synergy
Worldly Tutor
17% of 24 decks +3% synergy
Mystical Tutor
16% of 104 decks +1% synergy
Fierce Guardianship
16% of 104 decks -2% synergy
Sublime Epiphany
15% of 104 decks +13% synergy
Despark
15% of 33 decks -0% synergy
Sarkhan's Triumph
15% of 27 decks +14% synergy
Faith's Reward
14% of 35 decks +14% synergy
Brainstorm
13% of 104 decks -8% synergy
Momentous Fall
12% of 24 decks +11% synergy
Three Steps Ahead
12% of 32 decks +8% synergy
Swan Song
12% of 104 decks -4% synergy
Rapid Hybridization
12% of 104 decks +2% synergy
Teferi's Protection
11% of 35 decks -8% synergy
Entomb
11% of 53 decks +4% synergy
Evacuation
11% of 104 decks +9% synergy
Aetherize
11% of 104 decks +5% synergy
Illusionist's Stratagem
10% of 104 decks +9% synergy
Saw in Half
9% of 45 decks +6% synergy
Fated Infatuation
9% of 104 decks +8% synergy
Frantic Search
9% of 104 decks -4% synergy
Second Sunrise
9% of 35 decks +8% synergy
Render Silent
9% of 35 decks +6% synergy
Dovin's Veto
9% of 35 decks -11% synergy
See Double
8% of 71 decks +6% synergy
Abjure
8% of 104 decks +7% synergy
Sorceries
Cultivate
42% of 24 decks -5% synergy
Victimize
38% of 53 decks +26% synergy
Three Visits
38% of 24 decks +13% synergy
Kodama's Reach
38% of 24 decks +6% synergy
Demonic Tutor
34% of 53 decks +12% synergy
Farseek
33% of 24 decks -1% synergy
Damn
30% of 33 decks +14% synergy
Crux of Fate
30% of 53 decks +28% synergy
Rite of Replication
27% of 104 decks +24% synergy
Eerie Ultimatum
25% of 20 decks +13% synergy
Living Death
25% of 53 decks +19% synergy
Ravenform
24% of 103 decks +21% synergy
Life's Legacy
21% of 24 decks +19% synergy
Eldritch Evolution
21% of 24 decks +16% synergy
Skyshroud Claim
21% of 24 decks +12% synergy
Toxic Deluge
21% of 53 decks +3% synergy
Fabricate
20% of 104 decks +14% synergy
Feed the Swarm
19% of 53 decks +1% synergy
Blasphemous Act
19% of 27 decks -15% synergy
Neoform
17% of 24 decks +11% synergy
Fade Away
15% of 104 decks +15% synergy
Dread Return
15% of 53 decks +10% synergy
Buried Alive
15% of 53 decks +10% synergy
Faithless Looting
15% of 27 decks -2% synergy
Agadeem's Awakening
13% of 53 decks +10% synergy
Damnation
13% of 53 decks +5% synergy
Bala Ged Recovery
12% of 24 decks +3% synergy
Rampant Growth
12% of 24 decks -22% synergy
Unburial Rites
12% of 33 decks +10% synergy
Mitotic Manipulation
12% of 104 decks +11% 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
Retraced Image
10% of 104 decks +9% synergy
Ponder
10% of 104 decks -3% synergy
Haunting Voyage
9% of 53 decks +8% synergy
Grim Tutor
9% of 53 decks +5% synergy
Windfall
9% of 104 decks -4% synergy
Footsteps of the Goryo
8% of 53 decks +7% synergy
Stitch Together
8% of 53 decks +6% synergy
Diabolic Intent
8% of 53 decks -1% synergy
Preordain
7% of 104 decks -4% synergy
Sakashima's Will
6% of 103 decks +5% synergy
Blood for Bones
6% of 53 decks +5% synergy
Incarnation Technique
6% of 53 decks +5% synergy
Rise of the Dark Realms
6% of 53 decks +2% synergy
Mirage Mockery
5% of 79 decks +5% synergy
Utility Artifacts
Phyrexian Altar
41% of 104 decks +37% synergy
Skullclamp
41% of 104 decks +29% synergy
Altar of Dementia
38% of 104 decks +36% synergy
Cauldron of Souls
34% of 104 decks +33% synergy
Wayfarer's Bauble
30% of 104 decks +20% synergy
Spawning Pit
25% of 104 decks +25% synergy
Sapphire Medallion
25% of 104 decks +23% synergy
Lightning Coils
21% of 104 decks +21% synergy
Birthing Pod
21% of 24 decks +18% synergy
Deathrender
17% of 104 decks +17% synergy
Lightning Greaves
17% of 104 decks -8% synergy
Blasting Station
16% of 104 decks +16% synergy
Mimic Vat
15% of 104 decks +14% synergy
Blade of Selves
15% of 104 decks +14% synergy
Swiftfoot Boots
14% of 104 decks -13% synergy
Resurrection Orb
14% of 87 decks +13% synergy
Monster Manual
12% of 24 decks +10% synergy
The Great Henge
12% of 24 decks +3% synergy
Urza's Incubator
11% of 104 decks +7% synergy
Strionic Resonator
11% of 104 decks +7% synergy
Vedalken Shackles
10% of 104 decks +9% synergy
Gate to the Afterlife
9% of 104 decks +9% synergy
Isochron Scepter
9% of 104 decks +6% synergy
The One Ring
8% of 72 decks -1% synergy
Lithoform Engine
8% of 104 decks +6% synergy
Mirage Mirror
7% of 104 decks +5% synergy
Helm of the Host
7% of 104 decks +3% synergy
Mirror Box
6% of 103 decks +5% synergy
Lifeline
6% of 104 decks +6% synergy
Culling Dais
6% of 104 decks +5% synergy
Herald's Horn
6% of 104 decks -1% synergy
Weatherlight Compleated
5% of 95 decks +5% synergy
Enchantments
Animate Dead
30% of 53 decks +21% synergy
Smothering Tithe
29% of 35 decks +4% synergy
Rhystic Study
28% of 104 decks +0% synergy
Temur Ascendancy
27% of 22 decks +13% synergy
Homarid Spawning Bed
26% of 104 decks +26% synergy
Jugan Defends the Temple
25% of 24 decks +24% synergy
Mirari's Wake
25% of 20 decks +11% synergy
Goblin Bombardment
22% of 27 decks +16% synergy
Phyrexian Reclamation
21% of 53 decks +17% synergy
False Demise
20% of 104 decks +20% synergy
Descendants' Fury
20% of 15 decks +19% synergy
Gift of Immortality
20% of 35 decks +18% synergy
Journey to Eternity
20% of 20 decks +17% synergy
Dragon Tempest
19% of 27 decks +15% synergy
Fool's Demise
18% of 104 decks +18% synergy
Black Market Connections
17% of 52 decks +6% synergy
Garruk's Uprising
17% of 24 decks +1% synergy
Mirror Mockery
16% of 104 decks +16% synergy
Mystic Remora
16% of 104 decks -2% synergy
Ominous Seas
15% of 104 decks +13% synergy
Molten Echoes
15% of 27 decks +13% synergy
Sneak Attack
15% of 27 decks +12% synergy
Grave Pact
13% of 53 decks +9% synergy
Defense of the Heart
12% of 24 decks +10% synergy
Propaganda
12% of 104 decks +1% synergy
Life Insurance
12% of 33 decks +10% synergy
Legion Loyalty
11% of 35 decks +10% synergy
Warstorm Surge
11% of 27 decks +6% synergy
Chamber of Manipulation
11% of 104 decks +10% synergy
Dictate of Erebos
9% of 53 decks +6% synergy
Bastion of Remembrance
9% of 53 decks +3% synergy
Liliana's Talent
9% of 35 decks +8% synergy
Endless Evil
8% of 99 decks +7% synergy
Necromancy
8% of 53 decks +4% synergy
Black Market
8% of 53 decks +3% synergy
Reflections of Littjara
7% of 103 decks +2% synergy
Imprisoned in the Moon
7% of 104 decks +3% synergy
Dawn of the Dead
6% of 53 decks +6% synergy
Dance of the Dead
6% of 53 decks +4% synergy
The Meathook Massacre
6% of 53 decks +1% 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
7% of 104 decks +5% synergy
Utility Lands
Otawara, Soaring City
40% of 103 decks +23% synergy
High Market
38% of 104 decks +35% synergy
Reliquary Tower
37% of 104 decks +7% synergy
Mystic Sanctuary
31% of 104 decks +19% synergy
Castle Vantress
25% of 104 decks +21% synergy
Boseiju, Who Endures
25% of 24 decks +5% synergy
Takenuma, Abandoned Mire
23% of 53 decks +12% synergy
Bojuka Bog
21% of 53 decks -10% synergy
War Room
17% of 103 decks +11% synergy
Phyrexian Tower
17% of 53 decks +8% synergy
Cabal Coffers
17% of 53 decks +6% synergy
Urborg, Tomb of Yawgmoth
14% of 104 decks +5% synergy
Ancient Tomb
14% of 104 decks +4% synergy
Eiganjo, Seat of the Empire
14% of 35 decks +5% synergy
Mosswort Bridge
12% of 24 decks +2% synergy
Urza's Saga
12% of 103 decks +4% synergy
Haunted Fengraf
12% of 104 decks +11% synergy
Academy Ruins
12% of 104 decks +7% synergy
Temple of the False God
12% of 104 decks +2% synergy
Hall of Heliod's Generosity
11% of 35 decks +5% synergy
Sokenzan, Crucible of Defiance
11% of 27 decks +6% synergy
Strip Mine
10% of 104 decks +7% synergy
Command Beacon
10% of 104 decks +5% synergy
Buried Ruin
9% of 104 decks +4% synergy
Nykthos, Shrine to Nyx
9% of 104 decks +3% synergy
Rogue's Passage
9% of 104 decks -11% synergy
Crucible of the Spirit Dragon
8% of 104 decks +7% synergy
Arcane Lighthouse
8% of 104 decks +6% synergy
Scavenger Grounds
8% of 104 decks +4% synergy
Inventors' Fair
7% of 104 decks +3% synergy
Seat of the Synod
7% of 104 decks +0% synergy
Mirrorpool
6% of 104 decks +5% synergy
Lonely Sandbar
6% of 104 decks +2% synergy
Vault of Whispers
6% of 53 decks +1% synergy
Shizo, Death's Storehouse
6% of 53 decks +1% synergy
Mana Artifacts
Sol Ring
89% of 104 decks +5% synergy
Arcane Signet
82% of 104 decks +10% synergy
Dimir Signet
38% of 53 decks +8% synergy
Talisman of Dominance
38% of 53 decks +6% synergy
Thought Vessel
36% of 104 decks +19% synergy
Mind Stone
36% of 104 decks +18% synergy
Talisman of Progress
29% of 35 decks +6% synergy
Talisman of Hierarchy
27% of 33 decks +3% synergy
Orzhov Signet
27% of 33 decks +0% synergy
Midnight Clock
27% of 104 decks +22% synergy
Fellwar Stone
27% of 104 decks +6% synergy
Azorius Signet
26% of 35 decks -0% synergy
Talisman of Creativity
19% of 27 decks -10% synergy
Talisman of Indulgence
17% of 23 decks -9% synergy
Talisman of Curiosity
17% of 24 decks +4% synergy
Dragon's Hoard
16% of 104 decks +15% synergy
Izzet Signet
15% of 27 decks -13% synergy
Chromatic Lantern
14% of 104 decks +5% synergy
Talisman of Conviction
14% of 22 decks -9% synergy
Machine God's Effigy
12% of 84 decks +10% synergy
Orb of Dragonkind
11% of 27 decks +10% synergy
Thran Dynamo
11% of 104 decks +6% synergy
Sky Diamond
11% of 104 decks +6% synergy
Commander's Sphere
10% of 104 decks -6% synergy
Mana Crypt
9% of 104 decks +0% synergy
Gilded Lotus
8% of 104 decks +4% synergy
Chromatic Orrery
7% of 104 decks +5% synergy
Lands
Watery Grave
53% of 53 decks +12% synergy
Command Tower
52% of 104 decks -22% synergy
Sunken Hollow
45% of 53 decks +11% synergy
The World Tree
45% of 20 decks +12% synergy
Contaminated Landscape
44% of 9 decks +32% synergy
Hallowed Fountain
43% of 35 decks +2% synergy
Drowned Catacomb
40% of 53 decks +14% synergy
Raffine's Tower
36% of 33 decks +9% synergy
Godless Shrine
36% of 33 decks -4% synergy
Myriad Landscape
36% of 104 decks +16% synergy
Zagoth Triome
35% of 20 decks +4% synergy
Indatha Triome
35% of 20 decks +4% synergy
Temple Garden
35% of 20 decks -5% synergy
Morphic Pool
34% of 53 decks +8% synergy
Shipwreck Marsh
30% of 53 decks +11% synergy
Undercity Sewers
29% of 24 decks +15% synergy
Breeding Pool
29% of 24 decks -12% synergy
Ketria Triome
27% of 22 decks -5% synergy
Stomping Ground
27% of 22 decks -14% synergy
Smoldering Marsh
26% of 23 decks -6% synergy
Blood Crypt
26% of 23 decks -13% synergy
Steam Vents
26% of 27 decks -13% synergy
Overgrown Tomb
25% of 20 decks -17% synergy
Underground River
25% of 53 decks +5% synergy
Exotic Orchard
24% of 104 decks -12% synergy
Savai Triome
24% of 21 decks -3% synergy
Raugrin Triome
23% of 22 decks -4% synergy
Darkwater Catacombs
23% of 53 decks +8% synergy
Choked Estuary
23% of 53 decks +6% synergy
Vault of Champions
21% of 33 decks -5% synergy
Arcane Sanctum
21% of 33 decks -6% synergy
Polluted Delta
21% of 104 decks +10% synergy
Tropical Island
21% of 24 decks +7% synergy
Hinterland Harbor
21% of 24 decks -7% synergy
Shadowy Backstreet
20% of 15 decks +7% synergy
Spara's Headquarters
20% of 20 decks -12% synergy
Ziatora's Proving Ground
20% of 20 decks -12% synergy
Canopy Vista
20% of 20 decks -16% synergy
Volcanic Island
19% of 27 decks +5% synergy
Haven of the Spirit Dragon
18% of 104 decks +17% synergy
Plateau
18% of 22 decks +6% synergy
Taiga
18% of 22 decks +5% synergy
Isolated Chapel
18% of 33 decks -9% synergy
Meticulous Archive
18% of 17 decks +7% synergy
Badlands
17% of 23 decks +4% synergy
Dragonskull Summit
17% of 23 decks -14% synergy
Glacial Fortress
17% of 35 decks -8% synergy
Underground Sea
17% of 53 decks +3% synergy
Dimir Aqueduct
17% of 53 decks -0% synergy
Rejuvenating Springs
17% of 24 decks -12% synergy