Royal Assassin + Orb of Dreams + Thornbite Staff

Royal Assassin
Orb of Dreams
Thornbite Staff

Requires
Royal Assassin must be on the battlefield. Orb of Dreams must be on the battlefield. Thornbite Staff must be on the battlefield. Royal Assassin does not have summoning sickness. Thornbite Staff attached to Royal Assassin.
Steps
  1. Whenever a creature enters the battlefield under an opponent's control, it enters tapped due to Orb of Dreams.
  2. Holding priority, activate Royal Assassin by tapping it, destroying the creature.
  3. The creature dies, triggering Royal Assassin, untapping Royal Assassin.
  4. Repeat.
Results
Destroy all creatures that enter the battlefield under an opponent's control.

Chevill, Bane of Monsters
0.23% of 1302 decks 3 decks
Archelos, Lagoon Mystic
0.03% of 3380 decks 1 decks
The Beamtown Bullies
0.02% of 4840 decks 1 decks
King Macar, the Gold-Cursed
0.11% of 872 decks 1 decks
High Synergy Cards
Saryth, the Viper's Fang
80% of 5 decks +76% synergy
Heroic Intervention
100% of 5 decks +70% synergy
Worldly Tutor
80% of 5 decks +66% synergy
Arcane Lighthouse
67% of 6 decks +65% synergy
Cultivate
80% of 5 decks +34% synergy
Creatures
Arbiter of the Ideal
100% of 1 decks +100% synergy
Rummaging Goblin
100% of 1 decks +100% synergy
Fatespinner
100% of 1 decks +99% synergy
Fatestitcher
100% of 1 decks +99% synergy
Bedrock Tortoise
100% of 1 decks +99% synergy
Charix, the Raging Isle
100% of 1 decks +99% synergy
Dragon Mage
100% of 1 decks +99% synergy
The Pride of Hull Clade
100% of 1 decks +98% synergy
Goblin Welder
100% of 1 decks +97% synergy
Fecund Greenshell
100% of 1 decks +97% synergy
Arixmethes, Slumbering Isle
100% of 1 decks +97% synergy
Goblin Engineer
100% of 1 decks +96% synergy
Koma, Cosmos Serpent
100% of 1 decks +95% synergy
Aesi, Tyrant of Gyre Strait
100% of 1 decks +94% synergy
Termination Facilitator
60% of 5 decks +60% synergy
Fynn, the Fangbearer
60% of 5 decks +59% synergy
Bounty Hunter
50% of 6 decks +50% synergy
Hooded Blightfang
50% of 6 decks +50% synergy
Avatar of Woe
50% of 6 decks +49% synergy
Glissa Sunslayer
50% of 4 decks +44% synergy
Glissa, the Traitor
40% of 5 decks +39% synergy
Ulvenwald Tracker
40% of 5 decks +38% synergy
Leyline Prowler
40% of 5 decks +38% synergy
Acidic Slime
40% of 5 decks +36% synergy
Poison-Tip Archer
40% of 5 decks +35% synergy
Visara the Dreadful
33% of 6 decks +33% synergy
Vampire Nighthawk
33% of 6 decks +31% synergy
Nighthawk Scavenger
33% of 6 decks +31% synergy
Morbid Opportunist
33% of 6 decks +28% synergy
Mirkwood Bats
33% of 3 decks +21% synergy
Kappa Tech-Wrecker
25% of 4 decks +25% synergy
Deathbloom Gardener
25% of 4 decks +24% synergy
Ancient Lumberknot
25% of 4 decks +24% synergy
Fang of Shigeki
25% of 4 decks +24% synergy
Archpriest of Shadows
25% of 4 decks +23% synergy
Lurking Roper
20% of 5 decks +20% synergy
Catapult Fodder
20% of 5 decks +20% synergy
Shessra, Death's Whisper
20% of 5 decks +20% synergy
Mwonvuli Beast Tracker
20% of 5 decks +20% synergy
Nath of the Gilt-Leaf
20% of 5 decks +20% synergy
Halana, Kessig Ranger
20% of 5 decks +20% synergy
Shard of the Void Dragon
20% of 5 decks +20% synergy
Tajuru Blightblade
20% of 5 decks +20% synergy
Hapatra, Vizier of Poisons
20% of 5 decks +20% synergy
Ochran Assassin
20% of 5 decks +20% synergy
Moss Viper
20% of 5 decks +20% synergy
Jaspera Sentinel
20% of 5 decks +19% synergy
Generous Patron
20% of 5 decks +19% synergy
Deathcap Cultivator
20% of 5 decks +19% synergy
Anrakyr the Traveller
20% of 5 decks +19% synergy
Instants
Tale's End
100% of 1 decks +99% synergy
Ancient Grudge
100% of 1 decks +99% synergy
Jwari Disruption
100% of 1 decks +99% synergy
Cryptic Command
100% of 1 decks +98% synergy
Unwind
100% of 1 decks +97% synergy
Aetherize
100% of 1 decks +95% synergy
Tibalt's Trickery
100% of 1 decks +94% synergy
Waterlogged Teachings
100% of 1 decks +94% synergy
Archdruid's Charm
100% of 1 decks +93% synergy
Rapid Hybridization
100% of 1 decks +91% synergy
Thrill of Possibility
100% of 1 decks +90% synergy
Fell the Profane
100% of 1 decks +88% synergy
Revitalizing Repast
100% of 1 decks +87% synergy
Sink into Stupor
100% of 1 decks +87% synergy
Mystical Tutor
100% of 1 decks +85% synergy
Deflecting Swat
100% of 1 decks +84% synergy
Brainstorm
100% of 1 decks +79% synergy
Growth Spiral
100% of 1 decks +78% synergy
Chaos Warp
100% of 1 decks +68% synergy
Counterspell
100% of 1 decks +57% synergy
Beast Within
60% of 5 decks +21% synergy
Master's Rebuke
50% of 4 decks +49% synergy
Bite Down
50% of 4 decks +49% synergy
Rushed Rebirth
40% of 5 decks +39% synergy
Abrupt Decay
40% of 5 decks +29% synergy
Assassin's Trophy
40% of 5 decks +10% synergy
Cosmic Hunger
33% of 3 decks +32% synergy
Sudden Spoiling
33% of 6 decks +32% synergy
Vampiric Tutor
33% of 6 decks +15% synergy
Prizefight
25% of 4 decks +24% synergy
Infectious Bite
25% of 4 decks +23% synergy
Grim Contest
20% of 5 decks +20% synergy
Tangle
20% of 5 decks +20% synergy
Infuse with Vitality
20% of 5 decks +19% synergy
Khalni Ambush
20% of 5 decks +18% synergy
Mortality Spear
20% of 5 decks +17% synergy
Ram Through
20% of 5 decks +17% synergy
Noxious Revival
20% of 5 decks +14% synergy
Golgari Charm
20% of 5 decks +14% synergy
Veil of Summer
20% of 5 decks +14% synergy
Return to Nature
20% of 5 decks +14% synergy
Putrefy
20% of 5 decks +4% synergy
Force of Despair
17% of 6 decks +15% synergy
Hero's Downfall
17% of 6 decks +15% synergy
Hagra Mauling
17% of 6 decks +15% synergy
Snuff Out
17% of 6 decks +14% synergy
Baleful Mastery
17% of 6 decks +14% synergy
Go for the Throat
17% of 6 decks +10% synergy
Infernal Grasp
17% of 6 decks +9% synergy
Deadly Dispute
17% of 6 decks +6% synergy
Sorceries
Borrowing 100,000 Arrows
100% of 1 decks +99% synergy
Cathartic Reunion
100% of 1 decks +96% synergy
Preordain
100% of 1 decks +89% synergy
Ponder
100% of 1 decks +87% synergy
Windfall
100% of 1 decks +87% synergy
Faithless Looting
100% of 1 decks +83% synergy
Blasphemous Act
100% of 1 decks +66% synergy
Demonic Tutor
50% of 6 decks +28% synergy
Rabid Bite
40% of 5 decks +39% synergy
Farseek
40% of 5 decks +6% synergy
Night's Whisper
33% of 6 decks +24% synergy
Devouring Tendrils
20% of 5 decks +20% synergy
Spoils of Victory
20% of 5 decks +20% synergy
Driven // Despair
20% of 5 decks +20% synergy
Witherbloom Command
20% of 5 decks +19% synergy
Sylvan Tutor
20% of 5 decks +19% synergy
Far Wanderings
20% of 5 decks +19% synergy
Find // Finality
20% of 5 decks +18% synergy
Maelstrom Pulse
20% of 5 decks +18% synergy
Triumph of the Hordes
20% of 5 decks +16% synergy
Casualties of War
20% of 5 decks +15% synergy
Green Sun's Zenith
20% of 5 decks +14% synergy
Finale of Devastation
20% of 5 decks +12% synergy
Explore
20% of 5 decks +11% synergy
Bala Ged Recovery
20% of 5 decks +11% synergy
Three Visits
20% of 5 decks -5% synergy
Kodama's Reach
20% of 5 decks -12% synergy
Rampant Growth
20% of 5 decks -15% synergy
Extinction
17% of 6 decks +17% synergy
Curse of the Cabal
17% of 6 decks +16% synergy
Diabolic Revelation
17% of 6 decks +16% synergy
Unmarked Grave
17% of 6 decks +14% synergy
Rise of the Dark Realms
17% of 6 decks +13% synergy
Grim Tutor
17% of 6 decks +12% synergy
Exsanguinate
17% of 6 decks +11% synergy
Buried Alive
17% of 6 decks +11% synergy
Imperial Seal
17% of 6 decks +11% synergy
Reanimate
17% of 6 decks +1% synergy
Toxic Deluge
17% of 6 decks -1% synergy
Feed the Swarm
17% of 6 decks -2% synergy
Utility Artifacts
Viridian Longbow
50% of 6 decks +50% synergy
Hylda's Crown of Winter
50% of 2 decks +49% synergy
The Millennium Calendar
50% of 2 decks +49% synergy
Swiftfoot Boots
50% of 6 decks +22% synergy
Wolfhunter's Quiver
33% of 6 decks +33% synergy
Sword of the Paruns
33% of 6 decks +33% synergy
Basilisk Collar
33% of 6 decks +30% synergy
Lightning Greaves
33% of 6 decks +8% synergy
Boxing Ring
25% of 4 decks +25% synergy
Mukotai Soulripper
20% of 5 decks +20% synergy
Mighty Servant of Leuk-o
20% of 5 decks +20% synergy
Unlicensed Hearse
20% of 5 decks +20% synergy
Reckoner Bankbuster
20% of 5 decks +19% synergy
Ebony Horse
17% of 6 decks +17% synergy
No-Dachi
17% of 6 decks +17% synergy
Silverskin Armor
17% of 6 decks +17% synergy
Sorcerer's Wand
17% of 6 decks +17% synergy
Bladed Pinions
17% of 6 decks +17% synergy
Pathway Arrows
17% of 6 decks +17% synergy
Surestrike Trident
17% of 6 decks +17% synergy
Orbs of Warding
17% of 6 decks +17% synergy
Fleetwheel Cruiser
17% of 6 decks +17% synergy
Mana Web
17% of 6 decks +17% synergy
Puppet Strings
17% of 6 decks +16% synergy
Mobile Garrison
17% of 6 decks +16% synergy
Scytheclaw
17% of 6 decks +16% synergy
Glaring Spotlight
17% of 6 decks +16% synergy
Moonsilver Spear
17% of 6 decks +16% synergy
Liquimetal Coating
17% of 6 decks +16% synergy
Torpor Orb
17% of 6 decks +16% synergy
Weatherlight
17% of 6 decks +16% synergy
Nim Deathmantle
17% of 6 decks +16% synergy
Quietus Spike
17% of 6 decks +16% synergy
Voltaic Key
17% of 6 decks +16% synergy
Umbral Mantle
17% of 6 decks +16% synergy
Spine of Ish Sah
17% of 6 decks +16% synergy
Defense Grid
17% of 6 decks +16% synergy
Amulet of Vigor
17% of 6 decks +16% synergy
Smuggler's Copter
17% of 6 decks +16% synergy
Clock of Omens
17% of 6 decks +16% synergy
Crawlspace
17% of 6 decks +16% synergy
Trading Post
17% of 6 decks +15% synergy
Sword of Vengeance
17% of 6 decks +15% synergy
Akroma's Memorial
17% of 6 decks +15% synergy
Manifold Key
17% of 6 decks +15% synergy
Darksteel Plate
17% of 6 decks +15% synergy
Vorpal Sword
17% of 6 decks +15% synergy
Staff of Domination
17% of 6 decks +15% synergy
Cranial Plating
17% of 6 decks +15% synergy
Unwinding Clock
17% of 6 decks +14% synergy
Enchantments
Aether Barrier
100% of 1 decks +100% synergy
Frozen Aether
100% of 1 decks +100% synergy
Pemmin's Aura
100% of 1 decks +99% synergy
Retreat to Coralhelm
100% of 1 decks +98% synergy
Bonds of Mortality
40% of 5 decks +40% synergy
Grim Feast
20% of 5 decks +20% synergy
Root Maze
20% of 5 decks +20% synergy
Trudge Garden
20% of 5 decks +19% synergy
Assault Formation
20% of 5 decks +19% synergy
Quest for Renewal
20% of 5 decks +19% synergy
Primal Vigor
20% of 5 decks +17% synergy
Journey to Eternity
20% of 5 decks +17% synergy
Wilderness Reclamation
20% of 5 decks +16% synergy
Deathreap Ritual
20% of 5 decks +16% synergy
Kenrith's Transformation
20% of 5 decks +13% synergy
Sylvan Library
20% of 5 decks +8% synergy
Koskun Falls
17% of 6 decks +16% synergy
Grave Betrayal
17% of 6 decks +16% synergy
Oubliette
17% of 6 decks +16% synergy
Greed
17% of 6 decks +14% synergy
Revel in Riches
17% of 6 decks +13% synergy
Phyrexian Reclamation
17% of 6 decks +13% synergy
Black Market
17% of 6 decks +12% synergy
Exquisite Blood
17% of 6 decks +12% synergy
Sanguine Bond
17% of 6 decks +11% synergy
Bastion of Remembrance
17% of 6 decks +10% synergy
Planeswalkers
Vraska the Unseen
20% of 5 decks +18% synergy
Garruk, Cursed Huntsman
20% of 5 decks +18% synergy
Vraska, Golgari Queen
20% of 5 decks +17% synergy
Utility Lands
Mystic Sanctuary
100% of 1 decks +88% synergy
Boseiju, Who Endures
75% of 4 decks +55% synergy
Witch's Cottage
50% of 6 decks +46% synergy
Reliquary Tower
50% of 6 decks +21% synergy
Maze of Ith
33% of 6 decks +31% synergy
Barad-dûr
33% of 3 decks +30% synergy
Castle Locthwain
33% of 6 decks +28% synergy
Yavimaya, Cradle of Growth
33% of 6 decks +24% synergy
Temple of the False God
33% of 6 decks +24% synergy
Urborg, Tomb of Yawgmoth
33% of 6 decks +23% synergy
Rogue's Passage
33% of 6 decks +14% synergy
Bojuka Bog
33% of 6 decks +3% synergy
Gaea's Cradle
20% of 5 decks +14% synergy
Takenuma, Abandoned Mire
20% of 5 decks +9% synergy
Arena
17% of 6 decks +17% synergy
Detection Tower
17% of 6 decks +16% synergy
Lotus Field
17% of 6 decks +15% synergy
Field of Ruin
17% of 6 decks +14% synergy
Cabal Stronghold
17% of 6 decks +13% synergy
Buried Ruin
17% of 6 decks +11% synergy
Cabal Coffers
17% of 6 decks +6% synergy
Mana Artifacts
Sol Ring
100% of 6 decks +16% synergy
Arcane Signet
50% of 6 decks -22% synergy
Paradise Mantle
33% of 6 decks +33% synergy
Springleaf Drum
33% of 6 decks +31% synergy
Mana Crypt
33% of 6 decks +24% synergy
Flywheel Racer
25% of 4 decks +25% synergy
Patriar's Seal
20% of 5 decks +18% synergy
Relic of Legends
20% of 5 decks +18% synergy
Talisman of Resilience
20% of 5 decks +8% synergy
Honor-Worn Shaku
17% of 6 decks +16% synergy
Extraplanar Lens
17% of 6 decks +16% synergy
Basalt Monolith
17% of 6 decks +14% synergy
Liquimetal Torque
17% of 6 decks +13% synergy
Commander's Sphere
17% of 6 decks +1% synergy
Lands
Scene of the Crime
100% of 1 decks +99% synergy
Soured Springs
100% of 1 decks +98% synergy
Festering Gulch
100% of 1 decks +97% synergy
Ice Tunnel
100% of 1 decks +97% synergy
Tanglepool Bridge
100% of 1 decks +97% synergy
Lush Oasis
100% of 1 decks +97% synergy
Contaminated Aquifer
100% of 1 decks +97% synergy
Rimewood Falls
100% of 1 decks +95% synergy
Tangled Islet
100% of 1 decks +92% synergy
Tainted Peak
100% of 1 decks +90% synergy
Haunted Ridge
100% of 1 decks +84% synergy
Temple of Deceit
100% of 1 decks +84% synergy
Karplusan Forest
100% of 1 decks +83% synergy
Dimir Aqueduct
100% of 1 decks +83% synergy
Temple of Mystery
100% of 1 decks +83% synergy
Simic Growth Chamber
100% of 1 decks +80% synergy
Savage Lands
100% of 1 decks +77% synergy
Rootbound Crag
100% of 1 decks +76% synergy
Opulent Palace
100% of 1 decks +73% synergy
Dragonskull Summit
100% of 1 decks +69% synergy
Zagoth Triome
100% of 1 decks +69% synergy
Smoldering Marsh
100% of 1 decks +68% synergy
Cinder Glade
100% of 1 decks +62% synergy
Command Tower
83% of 6 decks +9% synergy
Llanowar Wastes
80% of 5 decks +54% synergy
Woodland Cemetery
80% of 5 decks +52% synergy
Deathcap Glade
75% of 4 decks +61% synergy
Tainted Wood
60% of 5 decks +47% synergy
Undergrowth Stadium
60% of 5 decks +34% synergy
Darkbore Pathway
40% of 5 decks +31% synergy
Twilight Mire
40% of 5 decks +30% synergy
Bayou
40% of 5 decks +26% synergy
Temple of Malady
40% of 5 decks +24% synergy
Golgari Rot Farm
40% of 5 decks +22% synergy
Overgrown Tomb
40% of 5 decks -3% synergy
Holdout Settlement
33% of 6 decks +33% synergy
Survivors' Encampment
33% of 6 decks +33% synergy
Verdant Catacombs
33% of 6 decks +22% synergy
Haunted Mire
25% of 4 decks +17% synergy
Woodland Chasm
20% of 5 decks +15% synergy
Nurturing Peatland
20% of 5 decks +14% synergy
Golgari Guildgate
20% of 5 decks +14% synergy
Jungle Hollow
20% of 5 decks +11% synergy
Polluted Delta
17% of 6 decks +5% synergy
Misty Rainforest
17% of 6 decks +5% synergy
Terramorphic Expanse
17% of 6 decks +1% synergy
Evolving Wilds
17% of 6 decks -4% synergy
Exotic Orchard
17% of 6 decks -19% synergy