Reaper King + Overseer of the Damned + Maskwood Nexus

Reaper King
Overseer of the Damned
Maskwood Nexus

Requires
Reaper King must be on the battlefield. Overseer of the Damned must be on the battlefield. Maskwood Nexus must be on the battlefield. You have a way to cause a creature to enter the battlefield.
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 Maskwood Nexus, 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
0.46% of 5486 decks 25 decks
Rukarumel, Biologist
0.03% of 2924 decks 1 decks
Tiamat
0.02% of 6173 decks 1 decks
High Synergy Cards
Oasis Gardener
83% of 12 decks +82% synergy
Wingrattle Scarecrow
81% of 27 decks +81% synergy
Arcane Adaptation
81% of 27 decks +80% synergy
Metallic Mimic
70% of 27 decks +69% synergy
Reflections of Littjara
74% of 27 decks +66% synergy
Panharmonicon
67% of 27 decks +64% synergy
Conspiracy
59% of 27 decks +58% synergy
Roaming Throne
73% of 15 decks +57% synergy
Rattleblaze Scarecrow
56% of 27 decks +55% synergy
Scuttlemutt
56% of 27 decks +54% synergy
Top Cards
Unsettled Mariner
56% of 27 decks +52% synergy
Wild-Field Scarecrow
52% of 27 decks +51% synergy
Pili-Pala
52% of 27 decks +51% synergy
Scarecrone
52% of 27 decks +51% synergy
Irregular Cohort
52% of 27 decks +50% synergy
Graveshifter
52% of 27 decks +50% synergy
Bloodline Pretender
52% of 27 decks +49% synergy
Taurean Mauler
52% of 27 decks +49% synergy
Realmwalker
52% of 27 decks +43% synergy
Leyline of the Guildpact
50% of 12 decks +27% synergy
Creatures
Three Tree Mascot
100% of 3 decks +94% synergy
Scaretiller
48% of 27 decks +47% synergy
Changeling Outcast
48% of 27 decks +45% synergy
Scarecrow Guide
47% of 17 decks +46% synergy
Shire Scarecrow
45% of 20 decks +44% synergy
Padeem, Consul of Innovation
44% of 27 decks +42% synergy
Universal Automaton
44% of 27 decks +42% synergy
Mirror Entity
41% of 27 decks +35% synergy
Jawbone Skulkin
37% of 27 decks +36% synergy
Scorn Effigy
37% of 27 decks +36% synergy
Heap Doll
37% of 27 decks +36% synergy
Grand Architect
33% of 27 decks +33% synergy
Shell Skulkin
33% of 27 decks +33% synergy
Elesh Norn, Mother of Machines
33% of 24 decks +30% synergy
Changeling Berserker
30% of 27 decks +29% synergy
One-Eyed Scarecrow
30% of 27 decks +29% synergy
Rukarumel, Biologist
26% of 19 decks +25% synergy
Antler Skulkin
26% of 27 decks +25% synergy
Farmstead Gleaner
26% of 27 decks +25% synergy
Turntimber Ranger
26% of 27 decks +25% synergy
Fang Skulkin
26% of 27 decks +25% synergy
Mothdust Changeling
26% of 27 decks +24% synergy
Yarok, the Desecrated
26% of 27 decks +24% synergy
Masked Vandal
26% of 27 decks +23% synergy
Spark Double
26% of 27 decks +23% synergy
Etherium Sculptor
26% of 27 decks +23% synergy
Crossroads Candleguide
23% of 26 decks +23% synergy
Bloodspore Thrinax
22% of 27 decks +22% synergy
Melira, Sylvok Outcast
22% of 27 decks +22% synergy
Changeling Hero
22% of 27 decks +22% synergy
Tatterkite
19% of 27 decks +18% synergy
Changeling Titan
19% of 27 decks +18% synergy
Watchwing Scarecrow
19% of 27 decks +18% synergy
Field Creeper
19% of 27 decks +18% synergy
Deadeye Navigator
19% of 27 decks +18% synergy
Sakashima of a Thousand Faces
19% of 27 decks +16% synergy
Foundry Inspector
19% of 27 decks +15% synergy
Morophon, the Boundless
19% of 27 decks +5% synergy
Lockjaw Snapper
15% of 27 decks +15% synergy
Master Biomancer
15% of 27 decks +15% synergy
Restoration Angel
15% of 27 decks +14% synergy
Lurebound Scarecrow
15% of 27 decks +14% synergy
Signpost Scarecrow
15% of 27 decks +14% synergy
Peregrine Drake
15% of 27 decks +14% synergy
Felidar Guardian
15% of 27 decks +14% synergy
Purphoros, God of the Forge
15% of 27 decks +13% synergy
Emiel the Blessed
15% of 27 decks +11% synergy
Dockside Extortionist
15% of 27 decks +7% synergy
Thornwatch Scarecrow
11% of 27 decks +11% synergy
Painter's Servant
11% of 27 decks +11% synergy
Instants
Eerie Interlude
48% of 27 decks +46% synergy
Counterspell
44% of 27 decks +23% synergy
Swords to Plowshares
37% of 27 decks -4% synergy
Negate
33% of 27 decks +23% synergy
Vampiric Tutor
33% of 27 decks +16% synergy
Path to Exile
33% of 27 decks +8% synergy
Ephemerate
30% of 27 decks +27% synergy
Enlightened Tutor
30% of 27 decks +14% synergy
Crib Swap
26% of 27 decks +22% synergy
Semester's End
23% of 26 decks +22% synergy
Ghostly Flicker
22% of 27 decks +21% synergy
Heroic Intervention
22% of 27 decks +1% synergy
Double Major
19% of 26 decks +18% synergy
Teferi's Protection
19% of 27 decks +0% synergy
Dramatic Reversal
15% of 27 decks +13% synergy
Harrow
15% of 27 decks +10% synergy
Arcane Denial
15% of 27 decks +9% synergy
Mana Drain
15% of 27 decks +5% synergy
Worldly Tutor
15% of 27 decks +3% synergy
Fierce Guardianship
15% of 27 decks +2% synergy
Lae'zel's Acrobatics
12% of 26 decks +11% synergy
Ghostway
11% of 27 decks +10% synergy
Momentary Blink
11% of 27 decks +10% synergy
Unwind
11% of 27 decks +10% synergy
Dovin's Veto
11% of 27 decks +3% synergy
Deflecting Swat
11% of 27 decks +2% synergy
Swan Song
11% of 27 decks +1% synergy
Cyclonic Rift
11% of 27 decks -10% synergy
Sorceries
Cultivate
37% of 27 decks -1% synergy
Farseek
37% of 27 decks -8% synergy
One with the Machine
30% of 27 decks +29% synergy
Rite of Replication
30% of 27 decks +28% synergy
Diabolic Tutor
30% of 27 decks +26% synergy
Demonic Tutor
30% of 27 decks +9% synergy
Wake the Past
27% of 26 decks +25% synergy
Grim Tutor
26% of 27 decks +23% synergy
Fabricate
26% of 27 decks +23% synergy
Rampant Growth
26% of 27 decks +3% synergy
Nature's Lore
26% of 27 decks -2% synergy
Another Round
25% of 12 decks +24% synergy
Three Visits
22% of 27 decks -2% synergy
Kodama's Reach
22% of 27 decks -3% synergy
Imposing Grandeur
19% of 26 decks +19% synergy
Majestic Genesis
19% of 26 decks +17% synergy
Farewell
19% of 26 decks +11% synergy
Traverse Eternity
19% of 16 decks +18% synergy
Their Name Is Death
16% of 25 decks +15% synergy
Idyllic Tutor
15% of 27 decks +10% synergy
Eerie Ultimatum
15% of 27 decks +6% synergy
Profane Tutor
12% of 26 decks +9% synergy
Whelming Wave
11% of 27 decks +11% synergy
Imperial Seal
11% of 27 decks +7% synergy
Distant Melody
11% of 27 decks +4% synergy
Utility Artifacts
Birthing Boughs
33% of 27 decks +32% synergy
Helm of the Host
33% of 27 decks +31% synergy
Realmbreaker, the Invasion Tree
30% of 20 decks +27% synergy
Swiftfoot Boots
26% of 27 decks +13% synergy
Lightning Greaves
26% of 27 decks +8% synergy
Darksteel Forge
19% of 27 decks +16% synergy
Mimic Vat
15% of 27 decks +14% synergy
Isochron Scepter
15% of 27 decks +14% synergy
Rings of Brighthearth
15% of 27 decks +13% synergy
Ashnod's Altar
15% of 27 decks +13% synergy
Sensei's Divining Top
15% of 27 decks +11% synergy
Door to Nothingness
15% of 27 decks +11% synergy
Herald's Horn
15% of 27 decks -3% synergy
Grindstone
11% of 27 decks +11% synergy
Mycosynth Lattice
11% of 27 decks +10% synergy
Conjurer's Closet
11% of 27 decks +10% synergy
Phyrexian Altar
11% of 27 decks +10% synergy
Wayfarer's Bauble
11% of 27 decks +7% synergy
Enchantments
Xenograft
48% of 27 decks +48% synergy
Solemnity
48% of 27 decks +48% synergy
Molten Echoes
33% of 27 decks +32% synergy
Smothering Tithe
33% of 27 decks +13% synergy
Rhystic Study
30% of 27 decks +6% synergy
Nahiri's Resolve
25% of 20 decks +24% synergy
Black Market Connections
23% of 26 decks +18% synergy
Kindred Discovery
22% of 27 decks +10% synergy
Careful Cultivation
19% of 26 decks +19% synergy
Teleportation Circle
19% of 26 decks +17% synergy
Virtue of Knowledge
16% of 19 decks +15% synergy
Impact Tremors
11% of 27 decks +9% synergy
Mirari's Wake
11% of 27 decks -0% synergy
Utility Lands
Reliquary Tower
33% of 27 decks +8% synergy
Cascading Cataracts
30% of 27 decks +13% synergy
Inventors' Fair
26% of 27 decks +24% synergy
Temple of the False God
26% of 27 decks +19% synergy
Urza's Saga
23% of 26 decks +18% synergy
Arcane Lighthouse
15% of 27 decks +14% synergy
Buried Ruin
15% of 27 decks +12% synergy
Tree of Tales
15% of 27 decks +12% synergy
Vault of Whispers
15% of 27 decks +12% synergy
Great Furnace
15% of 27 decks +12% synergy
Darksteel Citadel
15% of 27 decks +12% synergy
Seat of the Synod
15% of 27 decks +12% synergy
Ancient Tomb
15% of 27 decks +6% synergy
Academy Ruins
11% of 27 decks +9% synergy
Ancient Den
11% of 27 decks +8% synergy
Mana Artifacts
Sol Ring
93% of 27 decks +15% synergy
Arcane Signet
78% of 27 decks +3% synergy
Chromatic Lantern
63% of 27 decks +10% synergy
Timeless Lotus
32% of 25 decks +18% synergy
Commander's Sphere
30% of 27 decks +9% synergy
Fellwar Stone
30% of 27 decks -2% synergy
Basalt Monolith
19% of 27 decks +16% synergy
Decanter of Endless Water
15% of 26 decks +9% synergy
Pillar of Origins
15% of 27 decks +12% synergy
Darksteel Ingot
15% of 27 decks +11% synergy
Mana Crypt
15% of 27 decks +5% synergy
Chromatic Orrery
15% of 27 decks +2% synergy
Jeweled Lotus
11% of 27 decks +6% synergy
Mox Diamond
11% of 27 decks +6% synergy
Lotus Petal
11% of 27 decks +4% synergy
Lands
Command Tower
96% of 27 decks +8% synergy
The World Tree
78% of 27 decks +44% synergy
Exotic Orchard
70% of 27 decks +8% synergy
Path of Ancestry
59% of 27 decks +19% synergy
Frontier Bivouac
56% of 27 decks +39% synergy
Jungle Shrine
56% of 27 decks +38% synergy
Opulent Palace
52% of 27 decks +36% synergy
Crumbling Necropolis
48% of 27 decks +35% synergy
Evolving Wilds
44% of 27 decks +23% synergy
Mystic Monastery
41% of 27 decks +26% synergy
Seaside Citadel
37% of 27 decks +21% synergy
Terramorphic Expanse
37% of 27 decks +20% synergy
Twisted Landscape
33% of 9 decks +23% synergy
Tranquil Landscape
33% of 9 decks +22% synergy
Arcane Sanctum
33% of 27 decks +21% synergy
Secluded Courtyard
31% of 26 decks +14% synergy
Sandsteppe Citadel
30% of 27 decks +14% synergy
Unclaimed Territory
26% of 27 decks +9% synergy
Mana Confluence
26% of 27 decks +6% synergy
Hallowed Fountain
22% of 27 decks -5% synergy
Breeding Pool
22% of 27 decks -8% synergy
Spara's Headquarters
19% of 26 decks -5% synergy
City of Brass
19% of 27 decks -2% synergy
Ketria Triome
19% of 27 decks -8% synergy
Temple Garden
19% of 27 decks -12% synergy
Jetmir's Garden
15% of 26 decks -8% synergy
Myriad Landscape
15% of 27 decks +8% synergy
Cinder Glade
15% of 27 decks +3% synergy
Nomad Outpost
15% of 27 decks +2% synergy
Bloodstained Mire
15% of 27 decks -7% synergy
Blood Crypt
15% of 27 decks -8% synergy
Polluted Delta
15% of 27 decks -8% synergy
Sacred Foundry
15% of 27 decks -9% synergy
Zagoth Triome
15% of 27 decks -9% synergy
Flooded Strand
15% of 27 decks -10% synergy
Scalding Tarn
15% of 27 decks -10% synergy
Steam Vents
15% of 27 decks -10% synergy
Watery Grave
15% of 27 decks -10% synergy
Godless Shrine
15% of 27 decks -10% synergy
Wooded Foothills
15% of 27 decks -11% synergy
Arid Mesa
15% of 27 decks -11% synergy
Marsh Flats
15% of 27 decks -11% synergy
Windswept Heath
15% of 27 decks -12% synergy
Verdant Catacombs
15% of 27 decks -13% synergy
Misty Rainforest
15% of 27 decks -14% synergy
Stomping Ground
15% of 27 decks -15% synergy
Overgrown Tomb
15% of 27 decks -15% synergy
Dreamroot Cascade
12% of 26 decks +8% synergy
Xander's Lounge
12% of 26 decks -4% synergy
Raffine's Tower
12% of 26 decks -6% synergy