Reaper King + Overseer of the Damned + Xenograft

Reaper King
Overseer of the Damned
Xenograft

Requires
Reaper King must be on the battlefield. Overseer of the Damned must be on the battlefield. Xenograft must be on the battlefield. You have a way to cause a creature to enter the battlefield. "Scarecrow" chosen with Xenograft.
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 Xenograft, 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
0.24% of 5423 decks 13 decks
High Synergy Cards
Arcane Adaptation
100% of 13 decks +98% synergy
Maskwood Nexus
100% of 13 decks +94% synergy
Conspiracy
92% of 13 decks +91% synergy
Reflections of Littjara
92% of 13 decks +84% synergy
Wingrattle Scarecrow
85% of 13 decks +84% synergy
Metallic Mimic
85% of 13 decks +83% synergy
Oasis Gardener
83% of 6 decks +82% synergy
Panharmonicon
85% of 13 decks +82% synergy
Rattleblaze Scarecrow
77% of 13 decks +77% synergy
Solemnity
62% of 13 decks +61% synergy
Top Cards
Roaming Throne
75% of 8 decks +58% synergy
Pili-Pala
62% of 13 decks +60% synergy
Scaretiller
62% of 13 decks +60% synergy
Wild-Field Scarecrow
54% of 13 decks +53% synergy
Scarecrone
54% of 13 decks +53% synergy
Scuttlemutt
54% of 13 decks +52% synergy
Graveshifter
54% of 13 decks +52% synergy
Bloodline Pretender
54% of 13 decks +51% synergy
Unsettled Mariner
54% of 13 decks +50% synergy
Realmwalker
54% of 13 decks +45% synergy
Creatures
Shire Scarecrow
50% of 10 decks +49% synergy
Scarecrow Guide
50% of 8 decks +49% synergy
Elesh Norn, Mother of Machines
50% of 12 decks +46% synergy
Turntimber Ranger
46% of 13 decks +46% synergy
Scorn Effigy
46% of 13 decks +45% synergy
Irregular Cohort
46% of 13 decks +44% synergy
Bloodspore Thrinax
38% of 13 decks +38% synergy
Grand Architect
38% of 13 decks +38% synergy
Shell Skulkin
38% of 13 decks +38% synergy
Jawbone Skulkin
38% of 13 decks +38% synergy
Heap Doll
38% of 13 decks +37% synergy
Padeem, Consul of Innovation
38% of 13 decks +36% synergy
Universal Automaton
38% of 13 decks +36% synergy
Etherium Sculptor
38% of 13 decks +35% synergy
Taurean Mauler
38% of 13 decks +35% synergy
Melira, Sylvok Outcast
31% of 13 decks +31% synergy
Master Biomancer
31% of 13 decks +30% synergy
Restoration Angel
31% of 13 decks +30% synergy
Antler Skulkin
31% of 13 decks +30% synergy
Watchwing Scarecrow
31% of 13 decks +30% synergy
Crossroads Candleguide
31% of 13 decks +30% synergy
Field Creeper
31% of 13 decks +30% synergy
Changeling Berserker
31% of 13 decks +30% synergy
Peregrine Drake
31% of 13 decks +30% synergy
Fang Skulkin
31% of 13 decks +30% synergy
Felidar Guardian
31% of 13 decks +30% synergy
One-Eyed Scarecrow
31% of 13 decks +30% synergy
Deadeye Navigator
31% of 13 decks +30% synergy
Sakashima of a Thousand Faces
31% of 13 decks +29% synergy
Masked Vandal
31% of 13 decks +28% synergy
Spark Double
31% of 13 decks +28% synergy
Emiel the Blessed
31% of 13 decks +27% synergy
Changeling Outcast
31% of 13 decks +27% synergy
Dockside Extortionist
31% of 13 decks +22% synergy
Lockjaw Snapper
23% of 13 decks +23% synergy
Signpost Scarecrow
23% of 13 decks +23% synergy
Changeling Titan
23% of 13 decks +23% synergy
Changeling Hero
23% of 13 decks +23% synergy
Farmstead Gleaner
23% of 13 decks +22% synergy
Mothdust Changeling
23% of 13 decks +22% synergy
Purphoros, God of the Forge
23% of 13 decks +21% synergy
Yarok, the Desecrated
23% of 13 decks +21% synergy
Foundry Inspector
23% of 13 decks +19% synergy
Morophon, the Boundless
23% of 13 decks +10% synergy
Instants
Counterspell
54% of 13 decks +33% synergy
Eerie Interlude
38% of 13 decks +36% synergy
Dramatic Reversal
31% of 13 decks +29% synergy
Ephemerate
31% of 13 decks +28% synergy
Negate
31% of 13 decks +21% synergy
Fierce Guardianship
31% of 13 decks +18% synergy
Enlightened Tutor
31% of 13 decks +15% synergy
Vampiric Tutor
31% of 13 decks +14% synergy
Path to Exile
31% of 13 decks +6% synergy
Swords to Plowshares
31% of 13 decks -10% synergy
Double Major
23% of 13 decks +22% synergy
Ghostly Flicker
23% of 13 decks +22% synergy
Crib Swap
23% of 13 decks +19% synergy
Deflecting Swat
23% of 13 decks +14% synergy
Mana Drain
23% of 13 decks +14% synergy
Swan Song
23% of 13 decks +13% synergy
Teferi's Protection
23% of 13 decks +5% synergy
Heroic Intervention
23% of 13 decks +2% synergy
Sorceries
Rite of Replication
38% of 13 decks +37% synergy
Demonic Tutor
38% of 13 decks +18% synergy
Three Visits
38% of 13 decks +14% synergy
Nature's Lore
38% of 13 decks +10% synergy
One with the Machine
31% of 13 decks +30% synergy
Idyllic Tutor
31% of 13 decks +26% synergy
Their Name Is Death
23% of 13 decks +22% synergy
Majestic Genesis
23% of 13 decks +21% synergy
Wake the Past
23% of 13 decks +21% synergy
Grim Tutor
23% of 13 decks +20% synergy
Fabricate
23% of 13 decks +20% synergy
Diabolic Tutor
23% of 13 decks +19% synergy
Imperial Seal
23% of 13 decks +19% synergy
Farewell
23% of 13 decks +15% synergy
Kodama's Reach
23% of 13 decks -2% synergy
Utility Artifacts
Helm of the Host
46% of 13 decks +43% synergy
Realmbreaker, the Invasion Tree
40% of 10 decks +37% synergy
Isochron Scepter
31% of 13 decks +30% synergy
Swiftfoot Boots
31% of 13 decks +18% synergy
Lightning Greaves
31% of 13 decks +12% synergy
Mycosynth Lattice
23% of 13 decks +22% synergy
Birthing Boughs
23% of 13 decks +22% synergy
Rings of Brighthearth
23% of 13 decks +21% synergy
Sensei's Divining Top
23% of 13 decks +19% synergy
Enchantments
Leyline of the Guildpact
50% of 6 decks +26% synergy
Smothering Tithe
38% of 13 decks +18% synergy
Rhystic Study
38% of 13 decks +15% synergy
Molten Echoes
31% of 13 decks +30% synergy
Nahiri's Resolve
30% of 10 decks +29% synergy
Careful Cultivation
23% of 13 decks +23% synergy
Teleportation Circle
23% of 13 decks +21% synergy
Utility Lands
Urza's Saga
46% of 13 decks +41% synergy
Temple of the False God
31% of 13 decks +24% synergy
Ancient Tomb
31% of 13 decks +22% synergy
Cascading Cataracts
31% of 13 decks +14% synergy
Reliquary Tower
31% of 13 decks +6% synergy
Inventors' Fair
23% of 13 decks +21% synergy
Tree of Tales
23% of 13 decks +20% synergy
Vault of Whispers
23% of 13 decks +20% synergy
Great Furnace
23% of 13 decks +20% synergy
Darksteel Citadel
23% of 13 decks +20% synergy
Seat of the Synod
23% of 13 decks +20% synergy
Mana Artifacts
Sol Ring
85% of 13 decks +7% synergy
Chromatic Lantern
54% of 13 decks +1% synergy
Arcane Signet
54% of 13 decks -20% synergy
Basalt Monolith
31% of 13 decks +28% synergy
Mana Crypt
31% of 13 decks +20% synergy
Jeweled Lotus
23% of 13 decks +18% synergy
Mox Diamond
23% of 13 decks +18% synergy
Lotus Petal
23% of 13 decks +16% synergy
Chromatic Orrery
23% of 13 decks +10% synergy
Commander's Sphere
23% of 13 decks +2% synergy
Fellwar Stone
23% of 13 decks -9% synergy
Lands
Command Tower
92% of 13 decks +4% synergy
The World Tree
85% of 13 decks +51% synergy
Path of Ancestry
54% of 13 decks +14% synergy
Exotic Orchard
54% of 13 decks -9% synergy
Crumbling Necropolis
46% of 13 decks +33% synergy
Secluded Courtyard
46% of 13 decks +30% synergy
Opulent Palace
46% of 13 decks +30% synergy
Frontier Bivouac
46% of 13 decks +29% synergy
Jungle Shrine
46% of 13 decks +28% synergy
Hallowed Fountain
46% of 13 decks +19% synergy
Breeding Pool
46% of 13 decks +16% synergy
Mystic Monastery
38% of 13 decks +24% synergy
Seaside Citadel
38% of 13 decks +23% synergy
Terramorphic Expanse
38% of 13 decks +21% synergy
Mana Confluence
38% of 13 decks +19% synergy
Evolving Wilds
38% of 13 decks +17% synergy
Temple Garden
38% of 13 decks +8% synergy
Unclaimed Territory
31% of 13 decks +14% synergy
Bloodstained Mire
31% of 13 decks +9% synergy
Blood Crypt
31% of 13 decks +8% synergy
Polluted Delta
31% of 13 decks +8% synergy
Sacred Foundry
31% of 13 decks +7% synergy
Flooded Strand
31% of 13 decks +6% synergy
Scalding Tarn
31% of 13 decks +6% synergy
Steam Vents
31% of 13 decks +6% synergy
Watery Grave
31% of 13 decks +5% synergy
Wooded Foothills
31% of 13 decks +5% synergy
Godless Shrine
31% of 13 decks +5% synergy
Arid Mesa
31% of 13 decks +5% synergy
Marsh Flats
31% of 13 decks +5% synergy
Windswept Heath
31% of 13 decks +4% synergy
Verdant Catacombs
31% of 13 decks +3% synergy
Misty Rainforest
31% of 13 decks +2% synergy
Stomping Ground
31% of 13 decks +1% synergy
Overgrown Tomb
31% of 13 decks +1% synergy
Badlands
23% of 13 decks +11% synergy
Plateau
23% of 13 decks +11% synergy
Scrubland
23% of 13 decks +11% synergy
Volcanic Island
23% of 13 decks +11% synergy
Underground Sea
23% of 13 decks +11% synergy
Arcane Sanctum
23% of 13 decks +10% synergy
Tundra
23% of 13 decks +10% synergy
Savannah
23% of 13 decks +10% synergy
Taiga
23% of 13 decks +10% synergy
Bayou
23% of 13 decks +10% synergy
Tropical Island
23% of 13 decks +10% synergy
Sandsteppe Citadel
23% of 13 decks +7% synergy
City of Brass
23% of 13 decks +2% synergy
Zagoth Triome
23% of 13 decks -1% synergy
Spara's Headquarters
23% of 13 decks -1% synergy