Reaper King + Overseer of the Damned + Arcane Adaptation

Reaper King
Overseer of the Damned
Arcane Adaptation

Requires
Reaper King must be on the battlefield. Overseer of the Damned must be on the battlefield. Arcane Adaptation must be on the battlefield. You have a way to cause a creature to enter the battlefield. "Scarecrow" chosen with Arcane Adaptation.
Steps
  1. Cause a creature to enter the battlefield.
  2. Reaper King triggers, destroying target nontoken creature an opponent controls.
  3. The creature dies, triggering Overseer of the Damned, creating a 2/2 Zombie creature token.
  4. The Zombie enters the battlefield as a Scarecrow due to Arcane Adaptation, triggering Reaper King, destroying target nontoken creature an opponent controls.
  5. Repeat from step 3.
  6. This loop will also repeat whenever another creature enters the battlefield under your control.
Results
Destroy all nontoken creatures opponents control whenever a creature enters the battlefield under your control.

Reaper King
0.37% of 5423 decks 20 decks
Rukarumel, Biologist
0.04% of 2789 decks 1 decks
Tiamat
0.02% of 6167 decks 1 decks
High Synergy Cards
Maskwood Nexus
100% of 22 decks +94% synergy
Oasis Gardener
88% of 8 decks +86% synergy
Wingrattle Scarecrow
77% of 22 decks +76% synergy
Conspiracy
73% of 22 decks +72% synergy
Metallic Mimic
73% of 22 decks +71% synergy
Panharmonicon
73% of 22 decks +70% synergy
Reflections of Littjara
77% of 22 decks +69% synergy
Rattleblaze Scarecrow
64% of 22 decks +63% synergy
Xenograft
59% of 22 decks +59% synergy
Roaming Throne
73% of 11 decks +56% synergy
Top Cards
Solemnity
55% of 22 decks +54% synergy
Pili-Pala
55% of 22 decks +54% synergy
Scuttlemutt
55% of 22 decks +53% synergy
Unsettled Mariner
55% of 22 decks +51% synergy
Realmwalker
55% of 22 decks +46% synergy
Wild-Field Scarecrow
50% of 22 decks +49% synergy
Scarecrone
50% of 22 decks +49% synergy
Scarecrow Guide
50% of 12 decks +49% synergy
Irregular Cohort
50% of 22 decks +48% synergy
Graveshifter
50% of 22 decks +48% synergy
Creatures
Bloodline Pretender
50% of 22 decks +47% synergy
Taurean Mauler
50% of 22 decks +47% synergy
Shire Scarecrow
47% of 15 decks +45% synergy
Scaretiller
45% of 22 decks +44% synergy
Changeling Outcast
45% of 22 decks +42% synergy
Scorn Effigy
41% of 22 decks +40% synergy
Padeem, Consul of Innovation
41% of 22 decks +39% synergy
Universal Automaton
41% of 22 decks +38% synergy
Elesh Norn, Mother of Machines
37% of 19 decks +33% synergy
Grand Architect
36% of 22 decks +36% synergy
Shell Skulkin
36% of 22 decks +36% synergy
Jawbone Skulkin
36% of 22 decks +36% synergy
Heap Doll
36% of 22 decks +35% synergy
Antler Skulkin
32% of 22 decks +31% synergy
Turntimber Ranger
32% of 22 decks +31% synergy
One-Eyed Scarecrow
32% of 22 decks +31% synergy
Mirror Entity
32% of 22 decks +26% synergy
Rukarumel, Biologist
29% of 14 decks +27% synergy
Bloodspore Thrinax
27% of 22 decks +27% synergy
Melira, Sylvok Outcast
27% of 22 decks +27% synergy
Farmstead Gleaner
27% of 22 decks +27% synergy
Fang Skulkin
27% of 22 decks +27% synergy
Mothdust Changeling
27% of 22 decks +26% synergy
Etherium Sculptor
27% of 22 decks +24% synergy
Crossroads Candleguide
24% of 21 decks +23% synergy
Changeling Hero
23% of 22 decks +22% synergy
Watchwing Scarecrow
23% of 22 decks +22% synergy
Field Creeper
23% of 22 decks +22% synergy
Changeling Berserker
23% of 22 decks +22% synergy
Deadeye Navigator
23% of 22 decks +22% synergy
Sakashima of a Thousand Faces
23% of 22 decks +21% synergy
Yarok, the Desecrated
23% of 22 decks +20% synergy
Masked Vandal
23% of 22 decks +20% synergy
Spark Double
23% of 22 decks +20% synergy
Morophon, the Boundless
23% of 22 decks +10% synergy
Lockjaw Snapper
18% of 22 decks +18% synergy
Master Biomancer
18% of 22 decks +18% synergy
Restoration Angel
18% of 22 decks +18% synergy
Signpost Scarecrow
18% of 22 decks +18% synergy
Changeling Titan
18% of 22 decks +18% synergy
Peregrine Drake
18% of 22 decks +18% synergy
Felidar Guardian
18% of 22 decks +17% synergy
Purphoros, God of the Forge
18% of 22 decks +16% synergy
Emiel the Blessed
18% of 22 decks +15% synergy
Dockside Extortionist
18% of 22 decks +10% synergy
Lurebound Scarecrow
14% of 22 decks +13% synergy
Tatterkite
14% of 22 decks +13% synergy
Venomous Changeling
14% of 22 decks +13% synergy
Foundry Inspector
14% of 22 decks +10% synergy
Instants
Eerie Interlude
45% of 22 decks +43% synergy
Counterspell
45% of 22 decks +24% synergy
Vampiric Tutor
36% of 22 decks +19% synergy
Path to Exile
36% of 22 decks +11% synergy
Swords to Plowshares
36% of 22 decks -4% synergy
Negate
32% of 22 decks +22% synergy
Ephemerate
27% of 22 decks +25% synergy
Crib Swap
27% of 22 decks +23% synergy
Enlightened Tutor
27% of 22 decks +12% synergy
Double Major
19% of 21 decks +18% synergy
Semester's End
19% of 21 decks +18% synergy
Ghostly Flicker
18% of 22 decks +17% synergy
Dramatic Reversal
18% of 22 decks +17% synergy
Arcane Denial
18% of 22 decks +12% synergy
Worldly Tutor
18% of 22 decks +6% synergy
Fierce Guardianship
18% of 22 decks +6% synergy
Teferi's Protection
18% of 22 decks +0% synergy
Heroic Intervention
18% of 22 decks -3% synergy
Ghostway
14% of 22 decks +13% synergy
Dovin's Veto
14% of 22 decks +6% synergy
Deflecting Swat
14% of 22 decks +4% synergy
Mana Drain
14% of 22 decks +4% synergy
Swan Song
14% of 22 decks +4% synergy
Cyclonic Rift
14% of 22 decks -7% synergy
Sorceries
Farseek
41% of 22 decks -5% synergy
Rite of Replication
32% of 22 decks +30% synergy
Diabolic Tutor
32% of 22 decks +28% synergy
Demonic Tutor
32% of 22 decks +11% synergy
Nature's Lore
32% of 22 decks +3% synergy
Cultivate
32% of 22 decks -6% synergy
Rampant Growth
27% of 22 decks +5% synergy
Three Visits
27% of 22 decks +3% synergy
Wake the Past
24% of 21 decks +21% synergy
One with the Machine
23% of 22 decks +22% synergy
Grim Tutor
23% of 22 decks +20% synergy
Fabricate
23% of 22 decks +20% synergy
Kodama's Reach
23% of 22 decks -3% synergy
Their Name Is Death
20% of 20 decks +19% synergy
Imposing Grandeur
19% of 21 decks +18% synergy
Majestic Genesis
19% of 21 decks +17% synergy
Farewell
19% of 21 decks +11% synergy
Idyllic Tutor
18% of 22 decks +13% synergy
Imperial Seal
14% of 22 decks +9% synergy
Eerie Ultimatum
14% of 22 decks +4% synergy
Utility Artifacts
Helm of the Host
36% of 22 decks +34% synergy
Realmbreaker, the Invasion Tree
33% of 15 decks +30% synergy
Swiftfoot Boots
27% of 22 decks +14% synergy
Lightning Greaves
27% of 22 decks +9% synergy
Birthing Boughs
23% of 22 decks +22% synergy
Isochron Scepter
18% of 22 decks +17% synergy
Rings of Brighthearth
18% of 22 decks +16% synergy
Darksteel Forge
18% of 22 decks +16% synergy
Sensei's Divining Top
18% of 22 decks +14% synergy
Herald's Horn
18% of 22 decks +1% synergy
Mimic Vat
14% of 22 decks +13% synergy
Mycosynth Lattice
14% of 22 decks +13% synergy
Conjurer's Closet
14% of 22 decks +12% synergy
Ashnod's Altar
14% of 22 decks +11% synergy
Door to Nothingness
14% of 22 decks +10% synergy
Enchantments
Leyline of the Guildpact
50% of 8 decks +26% synergy
Molten Echoes
32% of 22 decks +31% synergy
Smothering Tithe
32% of 22 decks +11% synergy
Rhystic Study
32% of 22 decks +8% synergy
Kindred Discovery
27% of 22 decks +15% synergy
Nahiri's Resolve
27% of 15 decks +25% synergy
Careful Cultivation
24% of 21 decks +24% synergy
Virtue of Knowledge
21% of 14 decks +20% synergy
Teleportation Circle
19% of 21 decks +17% synergy
Black Market Connections
14% of 21 decks +9% synergy
Mirari's Wake
14% of 22 decks +2% synergy
Utility Lands
Reliquary Tower
32% of 22 decks +7% synergy
Urza's Saga
29% of 21 decks +24% synergy
Inventors' Fair
23% of 22 decks +20% synergy
Cascading Cataracts
23% of 22 decks +6% synergy
Temple of the False God
18% of 22 decks +12% synergy
Ancient Tomb
18% of 22 decks +9% synergy
Tree of Tales
14% of 22 decks +11% synergy
Vault of Whispers
14% of 22 decks +11% synergy
Great Furnace
14% of 22 decks +11% synergy
Darksteel Citadel
14% of 22 decks +11% synergy
Seat of the Synod
14% of 22 decks +11% synergy
Mana Artifacts
Sol Ring
91% of 22 decks +13% synergy
Arcane Signet
73% of 22 decks -1% synergy
Chromatic Lantern
64% of 22 decks +11% synergy
Commander's Sphere
32% of 22 decks +11% synergy
Fellwar Stone
27% of 22 decks -4% synergy
Timeless Lotus
25% of 20 decks +11% synergy
Basalt Monolith
23% of 22 decks +20% synergy
Mana Crypt
18% of 22 decks +7% synergy
Pillar of Origins
14% of 22 decks +10% synergy
Darksteel Ingot
14% of 22 decks +10% synergy
Jeweled Lotus
14% of 22 decks +8% synergy
Mox Diamond
14% of 22 decks +8% synergy
Lotus Petal
14% of 22 decks +7% synergy
Chromatic Orrery
14% of 22 decks +1% synergy
Lands
Command Tower
95% of 22 decks +7% synergy
The World Tree
77% of 22 decks +44% synergy
Exotic Orchard
68% of 22 decks +6% synergy
Path of Ancestry
64% of 22 decks +23% synergy
Opulent Palace
59% of 22 decks +43% synergy
Frontier Bivouac
59% of 22 decks +42% synergy
Jungle Shrine
59% of 22 decks +41% synergy
Crumbling Necropolis
55% of 22 decks +42% synergy
Twisted Landscape
50% of 6 decks +38% synergy
Tranquil Landscape
50% of 6 decks +38% synergy
Seaside Citadel
45% of 22 decks +30% synergy
Evolving Wilds
45% of 22 decks +24% synergy
Mystic Monastery
41% of 22 decks +26% synergy
Secluded Courtyard
38% of 21 decks +22% synergy
Arcane Sanctum
36% of 22 decks +24% synergy
Terramorphic Expanse
36% of 22 decks +19% synergy
Sandsteppe Citadel
32% of 22 decks +16% synergy
Unclaimed Territory
32% of 22 decks +15% synergy
Mana Confluence
27% of 22 decks +8% synergy
Hallowed Fountain
27% of 22 decks -0% synergy
Breeding Pool
27% of 22 decks -3% synergy
Spara's Headquarters
24% of 21 decks -1% synergy
Ketria Triome
23% of 22 decks -4% synergy
Temple Garden
23% of 22 decks -8% synergy
Jetmir's Garden
19% of 21 decks -5% synergy
Nomad Outpost
18% of 22 decks +5% synergy
City of Brass
18% of 22 decks -2% synergy
Bloodstained Mire
18% of 22 decks -4% synergy
Blood Crypt
18% of 22 decks -5% synergy
Polluted Delta
18% of 22 decks -5% synergy
Sacred Foundry
18% of 22 decks -6% synergy
Zagoth Triome
18% of 22 decks -6% synergy
Flooded Strand
18% of 22 decks -6% synergy
Scalding Tarn
18% of 22 decks -7% synergy
Steam Vents
18% of 22 decks -7% synergy
Watery Grave
18% of 22 decks -7% synergy
Wooded Foothills
18% of 22 decks -7% synergy
Godless Shrine
18% of 22 decks -7% synergy
Arid Mesa
18% of 22 decks -7% synergy
Marsh Flats
18% of 22 decks -8% synergy
Windswept Heath
18% of 22 decks -9% synergy
Verdant Catacombs
18% of 22 decks -10% synergy
Misty Rainforest
18% of 22 decks -11% synergy
Stomping Ground
18% of 22 decks -12% synergy
Overgrown Tomb
18% of 22 decks -12% synergy
Raffine's Tower
14% of 21 decks -3% synergy
Ziatora's Proving Ground
14% of 21 decks -8% synergy
Myriad Landscape
14% of 22 decks +7% synergy
Canopy Vista
14% of 22 decks +2% synergy
Cinder Glade
14% of 22 decks +2% synergy