Royal Assassin + Frozen Aether + Thornbite Staff

Royal Assassin
Frozen Aether
Thornbite Staff

Requires
Royal Assassin must be on the battlefield. Frozen Aether must be on the battlefield. Thornbite Staff must be on the battlefield.
Steps
  1. Whenever a creature enters the battlefield under an opponent's control, it enters tapped due to Frozen Aether.
  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.

Archelos, Lagoon Mystic
0.08% of 3579 decks 3 decks
Ezio Auditore da Firenze
0.03% of 11464 decks 3 decks
Tetsuo Umezawa
0.98% of 102 decks 1 decks
Ramses, Assassin Lord
0.05% of 2152 decks 1 decks
Wilhelt, the Rotcleaver
0.01% of 19568 decks 1 decks
High Synergy Cards
Achilles Davenport
57% of 7 decks +56% synergy
Ezio, Blade of Vengeance
50% of 8 decks +49% synergy
Borrowing 100,000 Arrows
44% of 9 decks +44% synergy
Etrata, the Silencer
44% of 9 decks +43% synergy
Retreat to Coralhelm
44% of 9 decks +42% synergy
Mana Drain
44% of 9 decks +30% synergy
Lightning Greaves
44% of 9 decks +19% synergy
Game Changers
Demonic Tutor
56% of 9 decks +34% synergy
Vampiric Tutor
44% of 9 decks +27% synergy
Fierce Guardianship
44% of 9 decks +26% synergy
Cyclonic Rift
33% of 9 decks +7% synergy
Imperial Seal
22% of 9 decks +17% synergy
Rhystic Study
22% of 9 decks -4% synergy
Vorinclex, Voice of Hunger
17% of 6 decks +14% synergy
Gaea's Cradle
17% of 6 decks +11% synergy
Grim Monolith
11% of 9 decks +9% synergy
Mystical Tutor
11% of 9 decks -3% synergy
Creatures
Ratonhnhaké꞉ton
100% of 3 decks +98% synergy
Bayek of Siwa
100% of 3 decks +97% synergy
Eivor, Battle-Ready
67% of 3 decks +66% synergy
Shay Cormac
67% of 3 decks +65% synergy
Altaïr Ibn-La'Ahad
67% of 3 decks +65% synergy
Bureau Headmaster
67% of 3 decks +65% synergy
Aya of Alexandria
67% of 3 decks +65% synergy
Olivia, Opulent Outlaw
67% of 3 decks +63% synergy
Queen Marchesa
67% of 3 decks +62% synergy
Arno Dorian
50% of 4 decks +48% synergy
Loot, Exuberant Explorer
50% of 2 decks +46% synergy
Brotherhood Spy
43% of 7 decks +42% synergy
Desmond Miles
43% of 7 decks +42% synergy
Unstoppable Slasher
40% of 5 decks +38% synergy
Massacre Girl, Known Killer
38% of 8 decks +36% synergy
Ochran Assassin
33% of 6 decks +33% synergy
Virtus the Veiled
33% of 9 decks +33% synergy
Jaspera Sentinel
33% of 6 decks +33% synergy
Fatestitcher
33% of 9 decks +33% synergy
Ezio, Brash Novice
33% of 3 decks +33% synergy
Layla Hassan
33% of 3 decks +32% synergy
Senu, Keen-Eyed Protector
33% of 3 decks +32% synergy
Kelsien, the Plague
33% of 3 decks +32% synergy
Ramses, Assassin Lord
33% of 9 decks +32% synergy
Callidus Assassin
33% of 9 decks +32% synergy
Magister Sphinx
33% of 3 decks +32% synergy
Arbaaz Mir
33% of 3 decks +31% synergy
Saryth, the Viper's Fang
33% of 6 decks +30% synergy
Aesi, Tyrant of Gyre Strait
33% of 6 decks +27% synergy
Seedborn Muse
33% of 6 decks +25% synergy
Grand Abolisher
33% of 3 decks +24% synergy
Morophon, the Boundless
33% of 3 decks +19% synergy
Iridescent Vinelasher
29% of 7 decks +27% synergy
Basim Ibn Ishaq
29% of 7 decks +26% synergy
Jurin, Leading the Charge
25% of 4 decks +25% synergy
Red Death, Shipwrecker
25% of 4 decks +24% synergy
Thraximundar
25% of 4 decks +24% synergy
Murderous Redcap
25% of 4 decks +23% synergy
Edward Kenway
25% of 4 decks +23% synergy
Karazikar, the Eye Tyrant
25% of 4 decks +23% synergy
Kardur, Doomscourge
25% of 4 decks +19% synergy
Enduring Vitality
25% of 4 decks +18% synergy
Abyssal Hunter
22% of 9 decks +22% synergy
Kiku, Night's Flower
22% of 9 decks +22% synergy
Tideforce Elemental
22% of 9 decks +22% synergy
Disciple of Deceit
22% of 9 decks +22% synergy
King Macar, the Gold-Cursed
22% of 9 decks +22% synergy
Dark Impostor
22% of 9 decks +22% synergy
Aven Heartstabber
22% of 9 decks +22% synergy
Tree of Perdition
22% of 9 decks +21% synergy
Instants
Archdruid's Charm
40% of 5 decks +35% synergy
Revitalizing Repast
40% of 5 decks +31% synergy
Heroic Intervention
33% of 6 decks +4% synergy
Assassin's Trophy
33% of 6 decks +3% synergy
Beast Within
33% of 6 decks -4% synergy
Waterlogged Teachings
29% of 7 decks +24% synergy
Sink into Stupor
29% of 7 decks +19% synergy
Academic Dispute
25% of 4 decks +25% synergy
Rakdos Charm
25% of 4 decks +10% synergy
Deflecting Swat
25% of 4 decks +9% synergy
Chaos Warp
25% of 4 decks -6% synergy
Hero's Downfall
22% of 9 decks +20% synergy
Cryptic Command
22% of 9 decks +20% synergy
Murder
22% of 9 decks +19% synergy
Dramatic Reversal
22% of 9 decks +17% synergy
Entomb
22% of 9 decks +15% synergy
Deadly Rollick
22% of 9 decks +11% synergy
Dark Ritual
22% of 9 decks -1% synergy
Grim Contest
17% of 6 decks +17% synergy
Tangle
17% of 6 decks +16% synergy
Khalni Ambush
17% of 6 decks +14% synergy
Sultai Charm
17% of 6 decks +12% synergy
Tear Asunder
17% of 6 decks +11% synergy
Krosan Grip
17% of 6 decks +10% synergy
Crop Rotation
17% of 6 decks +7% synergy
Worldly Tutor
17% of 6 decks +3% synergy
Growth Spiral
17% of 6 decks -5% synergy
Fell the Profane
14% of 7 decks +6% synergy
Thwart
11% of 9 decks +11% synergy
Assassin's Ink
11% of 9 decks +11% synergy
Make Disappear
11% of 9 decks +11% synergy
Sunder
11% of 9 decks +11% synergy
Twiddle
11% of 9 decks +11% synergy
Hithlain Knots
11% of 9 decks +11% synergy
Undermine
11% of 9 decks +11% synergy
Blustersquall
11% of 9 decks +11% synergy
Foil
11% of 9 decks +10% synergy
Tale's End
11% of 9 decks +10% synergy
Force of Despair
11% of 9 decks +10% synergy
Darkness
11% of 9 decks +10% synergy
Jwari Disruption
11% of 9 decks +10% synergy
Hagra Mauling
11% of 9 decks +9% synergy
Mana Leak
11% of 9 decks +9% synergy
Countersquall
11% of 9 decks +9% synergy
Unwind
11% of 9 decks +8% synergy
Dismember
11% of 9 decks +8% synergy
Lim-Dûl's Vault
11% of 9 decks +8% synergy
Aetherize
11% of 9 decks +5% synergy
Infernal Grasp
11% of 9 decks +4% synergy
Rapid Hybridization
11% of 9 decks +2% synergy
Sorceries
Blasphemous Edict
50% of 2 decks +43% synergy
Bala Ged Recovery
33% of 6 decks +25% synergy
Farewell
33% of 3 decks +21% synergy
Farseek
33% of 6 decks -1% synergy
You've Been Caught Stealing
25% of 4 decks +25% synergy
Disrupt Decorum
25% of 4 decks +22% synergy
Blasphemous Act
25% of 4 decks -8% synergy
Kindred Dominance
22% of 9 decks +18% synergy
Windfall
22% of 9 decks +9% synergy
Reanimate
22% of 9 decks +6% synergy
Viewpoint Synchronization
20% of 5 decks +19% synergy
Spoils of Victory
17% of 6 decks +16% synergy
Driven // Despair
17% of 6 decks +16% synergy
Dig Up
17% of 6 decks +14% synergy
Emergent Ultimatum
17% of 6 decks +14% synergy
Casualties of War
17% of 6 decks +12% synergy
Explore
17% of 6 decks +7% synergy
Three Visits
17% of 6 decks -8% synergy
Cultivate
17% of 6 decks -28% synergy
Petty Larceny
14% of 7 decks +14% synergy
Auditore Ambush
14% of 7 decks +14% synergy
Restart Sequence
14% of 7 decks +13% synergy
Consuming Vapors
11% of 9 decks +11% synergy
Cruel Tutor
11% of 9 decks +11% synergy
Death Cloud
11% of 9 decks +11% synergy
Freeze in Place
11% of 9 decks +11% synergy
Plague Wind
11% of 9 decks +11% synergy
Bone Splinters
11% of 9 decks +10% synergy
Walk the Aeons
11% of 9 decks +10% synergy
Beseech the Queen
11% of 9 decks +10% synergy
Beacon of Unrest
11% of 9 decks +10% synergy
Flood of Tears
11% of 9 decks +10% synergy
Blood Money
11% of 9 decks +9% synergy
Whispering Madness
11% of 9 decks +9% synergy
Peer into the Abyss
11% of 9 decks +8% synergy
In Garruk's Wake
11% of 9 decks +8% synergy
Rise of the Dark Realms
11% of 9 decks +7% synergy
Grim Tutor
11% of 9 decks +7% synergy
Buried Alive
11% of 9 decks +5% synergy
Exsanguinate
11% of 9 decks +5% synergy
Diabolic Tutor
11% of 9 decks +5% synergy
Damnation
11% of 9 decks +4% synergy
Diabolic Intent
11% of 9 decks +3% synergy
Preordain
11% of 9 decks +1% synergy
Ponder
11% of 9 decks -1% synergy
Feed the Swarm
11% of 9 decks -6% synergy
Utility Artifacts
Brotherhood Regalia
43% of 7 decks +40% synergy
Hylda's Crown of Winter
33% of 9 decks +33% synergy
Raven Clan War-Axe
33% of 3 decks +33% synergy
Haystack
33% of 3 decks +32% synergy
Vorpal Sword
33% of 9 decks +32% synergy
Whispersilk Cloak
33% of 9 decks +30% synergy
Commander's Sphere
33% of 9 decks +19% synergy
Drach'Nyen
25% of 4 decks +24% synergy
Chainsaw
25% of 4 decks +24% synergy
Orb of Dreams
22% of 9 decks +22% synergy
Meekstone
22% of 9 decks +22% synergy
Winter Orb
22% of 9 decks +22% synergy
Quietus Spike
22% of 9 decks +22% synergy
Amulet of Vigor
22% of 9 decks +21% synergy
Illusionist's Bracers
22% of 9 decks +21% synergy
Crucible of Worlds
22% of 9 decks +20% synergy
Herald's Horn
22% of 9 decks +16% synergy
Swiftfoot Boots
22% of 9 decks -5% synergy
Conduit of Worlds
17% of 6 decks +11% synergy
Excalibur, Sword of Eden
14% of 7 decks +13% synergy
Hidden Blade
12% of 8 decks +12% synergy
Kormus Bell
11% of 9 decks +11% synergy
Mana Web
11% of 9 decks +11% synergy
Puppet Strings
11% of 9 decks +11% synergy
Static Orb
11% of 9 decks +11% synergy
Gorgon's Head
11% of 9 decks +11% synergy
Animation Module
11% of 9 decks +11% synergy
Viridian Longbow
11% of 9 decks +11% synergy
Blasting Station
11% of 9 decks +11% synergy
Magewright's Stone
11% of 9 decks +10% synergy
Realmbreaker, the Invasion Tree
11% of 9 decks +10% synergy
Prowler's Helm
11% of 9 decks +10% synergy
Throne of the God-Pharaoh
11% of 9 decks +10% synergy
Icon of Ancestry
11% of 9 decks +10% synergy
Crawlspace
11% of 9 decks +10% synergy
Vedalken Orrery
11% of 9 decks +10% synergy
Lithoform Engine
11% of 9 decks +10% synergy
Door of Destinies
11% of 9 decks +9% synergy
Staff of Domination
11% of 9 decks +9% synergy
Trailblazer's Boots
11% of 9 decks +9% synergy
Winged Boots
11% of 9 decks +9% synergy
Thousand-Year Elixir
11% of 9 decks +9% synergy
Isochron Scepter
11% of 9 decks +9% synergy
Sword of Feast and Famine
11% of 9 decks +9% synergy
Altar of Dementia
11% of 9 decks +8% synergy
Maskwood Nexus
11% of 9 decks +8% synergy
Jet Medallion
11% of 9 decks +8% synergy
Strionic Resonator
11% of 9 decks +8% synergy
Basilisk Collar
11% of 9 decks +7% synergy
Sensei's Divining Top
11% of 9 decks +6% synergy
Enchantments
The Revelations of Ezio
43% of 7 decks +42% synergy
Rooftop Bypass
43% of 7 decks +41% synergy
Root Maze
33% of 6 decks +33% synergy
Cryptolith Rite
33% of 6 decks +30% synergy
Cathars' Crusade
33% of 3 decks +28% synergy
Kindred Discovery
33% of 9 decks +26% synergy
Propaganda
33% of 9 decks +21% synergy
Mirari's Wake
33% of 3 decks +20% synergy
Shiny Impetus
25% of 4 decks +22% synergy
Warlock Class
22% of 9 decks +22% synergy
Opposition
22% of 9 decks +22% synergy
Verity Circle
22% of 9 decks +21% synergy
Pemmin's Aura
22% of 9 decks +21% synergy
Wound Reflection
22% of 9 decks +21% synergy
Cover of Darkness
22% of 9 decks +20% synergy
Intruder Alarm
22% of 9 decks +20% synergy
Black Market Connections
22% of 9 decks +11% synergy
Spelunking
20% of 5 decks +16% synergy
Living Plane
17% of 6 decks +17% synergy
Vernal Equinox
17% of 6 decks +17% synergy
Nature's Revolt
17% of 6 decks +16% synergy
Instill Energy
17% of 6 decks +16% synergy
Assault Formation
17% of 6 decks +16% synergy
Quest for Renewal
17% of 6 decks +15% synergy
Descendants' Path
17% of 6 decks +15% synergy
Wilderness Reclamation
17% of 6 decks +13% synergy
Coerced to Kill
12% of 8 decks +12% synergy
Lost in the Maze
12% of 8 decks +12% synergy
Flood
11% of 9 decks +11% synergy
Aether Barrier
11% of 9 decks +11% synergy
Mortuary
11% of 9 decks +11% synergy
Decree of Silence
11% of 9 decks +11% synergy
Contamination
11% of 9 decks +11% synergy
Stasis
11% of 9 decks +11% synergy
Rogue Class
11% of 9 decks +9% synergy
Rooftop Storm
11% of 9 decks +9% synergy
Freed from the Real
11% of 9 decks +9% synergy
Painful Quandary
11% of 9 decks +9% synergy
Training Grounds
11% of 9 decks +8% synergy
Mechanized Production
11% of 9 decks +8% synergy
Necromancy
11% of 9 decks +8% synergy
Revel in Riches
11% of 9 decks +8% synergy
Aqueous Form
11% of 9 decks +7% synergy
Leyline of Anticipation
11% of 9 decks +7% synergy
Reconnaissance Mission
11% of 9 decks +7% synergy
Grave Pact
11% of 9 decks +7% synergy
Animate Dead
11% of 9 decks +2% synergy
Planeswalkers
Vraska the Unseen
17% of 6 decks +15% synergy
Vivien, Champion of the Wilds
17% of 6 decks +15% synergy
Tyvar, Jubilant Brawler
17% of 6 decks +13% synergy
Sorin Markov
11% of 9 decks +10% synergy
Ugin, the Spirit Dragon
11% of 9 decks +10% synergy
Liliana of the Dark Realms
11% of 9 decks +10% synergy
Utility Lands
Urborg, Tomb of Yawgmoth
33% of 9 decks +24% synergy
Boseiju, Who Endures
33% of 6 decks +15% synergy
Bojuka Bog
33% of 9 decks +3% synergy
Lotus Field
22% of 9 decks +21% synergy
Vesuva
22% of 9 decks +21% synergy
Takenuma, Abandoned Mire
22% of 9 decks +12% synergy
Otawara, Soaring City
22% of 9 decks +6% synergy
Rogue's Passage
22% of 9 decks +2% synergy
Reliquary Tower
22% of 9 decks -8% synergy
Shifting Woodland
20% of 5 decks +13% synergy
Restless Vinestalk
17% of 6 decks +15% synergy
Dryad Arbor
17% of 6 decks +13% synergy
Alchemist's Refuge
17% of 6 decks +10% synergy
Three Tree City
14% of 7 decks +9% synergy
Echoing Deeps
12% of 8 decks +12% synergy
Lake of the Dead
11% of 9 decks +11% synergy
Baldur's Gate
11% of 9 decks +10% synergy
Great Hall of the Citadel
11% of 9 decks +10% synergy
Tolaria West
11% of 9 decks +10% synergy
Cascading Cataracts
11% of 9 decks +10% synergy
Volrath's Stronghold
11% of 9 decks +10% synergy
Wasteland
11% of 9 decks +10% synergy
Strip Mine
11% of 9 decks +8% synergy
Maze of Ith
11% of 9 decks +8% synergy
High Market
11% of 9 decks +8% synergy
Witch's Cottage
11% of 9 decks +8% synergy
Shizo, Death's Storehouse
11% of 9 decks +7% synergy
Buried Ruin
11% of 9 decks +6% synergy
Academy Ruins
11% of 9 decks +6% synergy
Urza's Saga
11% of 9 decks +4% synergy
Phyrexian Tower
11% of 9 decks +2% synergy
Yavimaya, Cradle of Growth
11% of 9 decks +2% synergy
Cabal Coffers
11% of 9 decks +1% synergy
Mystic Sanctuary
11% of 9 decks -0% synergy
Mana Artifacts
Sol Ring
78% of 9 decks -6% synergy
Arcane Signet
67% of 9 decks -6% synergy
Springleaf Drum
33% of 9 decks +31% synergy
Chromatic Lantern
33% of 9 decks +24% synergy
Timeless Lotus
33% of 3 decks +21% synergy
Patchwork Banner
29% of 7 decks +23% synergy
Fire Diamond
25% of 4 decks +20% synergy
Relic of Sauron
25% of 4 decks +16% synergy
Talisman of Indulgence
25% of 4 decks -2% synergy
Izzet Signet
25% of 4 decks -2% synergy
Talisman of Creativity
25% of 4 decks -4% synergy
Rakdos Signet
25% of 4 decks -4% synergy
Paradise Mantle
22% of 9 decks +21% synergy
Relic of Legends
22% of 9 decks +20% synergy
Fellwar Stone
22% of 9 decks +1% synergy
Dimir Signet
22% of 9 decks -7% synergy
Talisman of Dominance
22% of 9 decks -10% synergy
Simic Signet
17% of 6 decks +3% synergy
Moonsnare Prototype
11% of 9 decks +11% synergy
Gilded Lotus
11% of 9 decks +8% synergy
Mox Amber
11% of 9 decks +7% synergy
Sky Diamond
11% of 9 decks +6% synergy
Charcoal Diamond
11% of 9 decks +6% synergy
Mana Crypt
11% of 9 decks +5% synergy
Lands
Command Tower
78% of 9 decks +3% synergy
Crumbling Necropolis
50% of 4 decks +19% synergy
Watery Grave
44% of 9 decks +4% synergy
Brotherhood Headquarters
43% of 7 decks +42% synergy
Crystal Quarry
33% of 3 decks +29% synergy
Azorius Guildgate
33% of 3 decks +29% synergy
Gruul Guildgate
33% of 3 decks +29% synergy
Orzhov Guildgate
33% of 3 decks +29% synergy
Selesnya Guildgate
33% of 3 decks +29% synergy
Boros Guildgate
33% of 3 decks +28% synergy
Temple of Malady
33% of 6 decks +17% synergy
Dimir Aqueduct
33% of 9 decks +17% synergy
Temple of Mystery
33% of 6 decks +16% synergy
Golgari Rot Farm
33% of 6 decks +15% synergy
Simic Growth Chamber
33% of 6 decks +14% synergy
Savage Lands
33% of 3 decks +10% synergy
Vault of Champions
33% of 3 decks +8% synergy
Sea of Clouds
33% of 3 decks +7% synergy
Seaside Citadel
33% of 3 decks +7% synergy
Opulent Palace
33% of 6 decks +6% synergy
Mystic Monastery
33% of 3 decks +6% synergy
Frontier Bivouac
33% of 3 decks +5% synergy
Arcane Sanctum
33% of 3 decks +5% synergy
Zagoth Triome
33% of 6 decks +4% synergy
The World Tree
33% of 3 decks +1% synergy
Jungle Shrine
33% of 3 decks +1% synergy
Exotic Orchard
33% of 9 decks -3% synergy
Hallowed Fountain
33% of 3 decks -7% synergy
Godless Shrine
33% of 3 decks -7% synergy
Abstergo Entertainment
29% of 7 decks +28% synergy
Scene of the Crime
25% of 8 decks +24% synergy
Rakdos Guildgate
25% of 4 decks +21% synergy
Izzet Guildgate
25% of 4 decks +20% synergy
Seething Landscape
25% of 4 decks +16% synergy
Rakdos Carnarium
25% of 4 decks +11% synergy
Izzet Boilerworks
25% of 4 decks +9% synergy
Luxury Suite
25% of 4 decks -1% synergy
Training Center
25% of 4 decks -2% synergy
Blood Crypt
25% of 4 decks -13% synergy
Holdout Settlement
22% of 9 decks +22% synergy
Survivors' Encampment
22% of 9 decks +21% synergy
Secluded Courtyard
22% of 9 decks +18% synergy
Terramorphic Expanse
22% of 9 decks +7% synergy
Temple of Deceit
22% of 9 decks +6% synergy
Shipwreck Marsh
22% of 9 decks +4% synergy
Morphic Pool
22% of 9 decks -4% synergy
Valgavoth's Lair
20% of 5 decks +19% synergy
Festering Gulch
20% of 5 decks +18% synergy
Lush Oasis
20% of 5 decks +18% synergy
Foreboding Landscape
20% of 5 decks +11% synergy