Archelos, Lagoon Mystic
Royal Assassin
Thornbite Staff

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
Archelos is tapped. Royal Assassin does not have summoning sickness. Thornbite Staff attached to Royal Assassin.

   Steps

How does this combo work?
1
Whenever a creature enters the battlefield under an opponent's control, it enters tapped due to Archelos.
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

What do I get from this combo?
Destroy each creature that enters the battlefield under an opponent's control
Lock
Ezio Auditore da Firenze
0.0%inclusion1 decks19.4K decks
Muldrotha, the Gravetide
0.0%inclusion1 decks23.6K decks
High Synergy Cards
Retreat to Coralhelm
74%inclusion14 decks19 decks
Saryth, the Viper's Fang
68%inclusion13 decks19 decks
Freed from the Real
58%inclusion11 decks19 decks
Patron of the Moon
53%inclusion10 decks19 decks
Tatyova, Benthic Druid
63%inclusion12 decks19 decks
Lotus Cobra
58%inclusion11 decks19 decks
Zimone, Quandrix Prodigy
47%inclusion9 decks19 decks
Sakura-Tribe Scout
47%inclusion9 decks19 decks
King Macar, the Gold-Cursed
42%inclusion8 decks19 decks
Retreat to Hagra
42%inclusion8 decks19 decks
Top Cards
Assassin's Trophy
63%inclusion12 decks19 decks
Cultivate
53%inclusion10 decks19 decks
Rampant Growth
47%inclusion9 decks19 decks
Farseek
47%inclusion9 decks19 decks
Counterspell
47%inclusion9 decks19 decks
Aesi, Tyrant of Gyre Strait
42%inclusion8 decks19 decks
Scute Swarm
42%inclusion8 decks19 decks
Growth Spiral
42%inclusion8 decks19 decks
Amulet of Vigor
37%inclusion7 decks19 decks
Fecund Greenshell
37%inclusion7 decks19 decks
Game Changers
Demonic Tutor
32%inclusion6 decks19 decks
Rhystic Study
32%inclusion6 decks19 decks
Mystical Tutor
26%inclusion5 decks19 decks
Field of the Dead
21%inclusion4 decks19 decks
Seedborn Muse
21%inclusion4 decks19 decks
Cyclonic Rift
21%inclusion4 decks19 decks
Crop Rotation
16%inclusion3 decks19 decks
Fierce Guardianship
16%inclusion3 decks19 decks
Creatures
Llanowar Scout
32%inclusion6 decks19 decks
Kiora's Follower
32%inclusion6 decks19 decks
Azusa, Lost but Seeking
32%inclusion6 decks19 decks
Kona, Rescue Beastie
28%inclusion5 decks18 decks
Saruli Caretaker
26%inclusion5 decks19 decks
Zimone and Dina
26%inclusion5 decks19 decks
Ob Nixilis, the Fallen
26%inclusion5 decks19 decks
Bloom Tender
26%inclusion5 decks19 decks
Sakura-Tribe Elder
26%inclusion5 decks19 decks
Eternal Witness
26%inclusion5 decks19 decks
Birds of Paradise
26%inclusion5 decks19 decks
Enduring Vitality
22%inclusion4 decks18 decks
Sphinx's Disciple
21%inclusion4 decks19 decks
Tideforce Elemental
21%inclusion4 decks19 decks
Loam Dryad
21%inclusion4 decks19 decks
Kappa Tech-Wrecker
21%inclusion4 decks19 decks
Scaled Herbalist
21%inclusion4 decks19 decks
Meloku the Clouded Mirror
21%inclusion4 decks19 decks
Bedrock Tortoise
21%inclusion4 decks19 decks
Ramunap Excavator
21%inclusion4 decks19 decks
Muldrotha, the Gravetide
21%inclusion4 decks19 decks
Tireless Provisioner
21%inclusion4 decks19 decks
Oak Street Innkeeper
16%inclusion3 decks19 decks
Dragon Turtle
16%inclusion3 decks19 decks
Aegis Turtle
16%inclusion3 decks19 decks
Quandrix Cultivator
16%inclusion3 decks19 decks
Thunderous Snapper
16%inclusion3 decks19 decks
Fatestitcher
16%inclusion3 decks19 decks
Jaspera Sentinel
16%inclusion3 decks19 decks
Kelpie Guide
16%inclusion3 decks19 decks
Snapping Voidcraw
16%inclusion3 decks19 decks
Colossal Skyturtle
16%inclusion3 decks19 decks
Cultivator Colossus
16%inclusion3 decks19 decks
Kappa Cannoneer
16%inclusion3 decks19 decks
Nyxbloom Ancient
16%inclusion3 decks19 decks
Arixmethes, Slumbering Isle
16%inclusion3 decks19 decks
Ancient Greenwarden
16%inclusion3 decks19 decks
Tireless Tracker
16%inclusion3 decks19 decks
Rampaging Baloths
16%inclusion3 decks19 decks
Avenger of Zendikar
16%inclusion3 decks19 decks
Instants
Beast Within
37%inclusion7 decks19 decks
Swan Song
32%inclusion6 decks19 decks
Mana Drain
26%inclusion5 decks19 decks
Heroic Intervention
26%inclusion5 decks19 decks
Sultai Charm
21%inclusion4 decks19 decks
Waterlogged Teachings
21%inclusion4 decks19 decks
Archdruid's Charm
21%inclusion4 decks19 decks
Putrefy
21%inclusion4 decks19 decks
Arcane Denial
21%inclusion4 decks19 decks
Negate
21%inclusion4 decks19 decks
An Offer You Can't Refuse
21%inclusion4 decks19 decks
Confound
16%inclusion3 decks19 decks
Sink into Stupor
16%inclusion3 decks19 decks
Sorceries
Villainous Wealth
37%inclusion7 decks19 decks
Reshape the Earth
32%inclusion6 decks19 decks
Kodama's Reach
32%inclusion6 decks19 decks
Splendid Reclamation
26%inclusion5 decks19 decks
Borrowing 100,000 Arrows
21%inclusion4 decks19 decks
Bala Ged Recovery
21%inclusion4 decks19 decks
Toxic Deluge
21%inclusion4 decks19 decks
Mythos of Brokkos
16%inclusion3 decks19 decks
Emergent Ultimatum
16%inclusion3 decks19 decks
Circuitous Route
16%inclusion3 decks19 decks
Scapeshift
16%inclusion3 decks19 decks
Exsanguinate
16%inclusion3 decks19 decks
Preordain
16%inclusion3 decks19 decks
Explore
16%inclusion3 decks19 decks
Three Visits
16%inclusion3 decks19 decks
Nature's Lore
16%inclusion3 decks19 decks
Utility Artifacts
Swiftfoot Boots
37%inclusion7 decks19 decks
Smuggler's Copter
21%inclusion4 decks19 decks
Zuran Orb
21%inclusion4 decks19 decks
Hedge Shredder
17%inclusion3 decks18 decks
Hylda's Crown of Winter
16%inclusion3 decks19 decks
Thousand-Year Elixir
16%inclusion3 decks19 decks
Enchantments
Opposition
26%inclusion5 decks19 decks
Cryptolith Rite
26%inclusion5 decks19 decks
Frozen Aether
21%inclusion4 decks19 decks
Pemmin's Aura
21%inclusion4 decks19 decks
Wilderness Reclamation
21%inclusion4 decks19 decks
Betrayal
16%inclusion3 decks19 decks
Intruder Alarm
16%inclusion3 decks19 decks
Concordant Crossroads
16%inclusion3 decks19 decks
Leyline of Anticipation
16%inclusion3 decks19 decks
Spelunking
16%inclusion3 decks19 decks
Exploration
16%inclusion3 decks19 decks
Sylvan Library
16%inclusion3 decks19 decks
Mystic Remora
16%inclusion3 decks19 decks
Planeswalkers
Tyvar, Jubilant Brawler
16%inclusion3 decks19 decks
Utility Lands
Reliquary Tower
42%inclusion8 decks19 decks
Mystic Sanctuary
37%inclusion7 decks19 decks
Boseiju, Who Endures
37%inclusion7 decks19 decks
Maze's End
32%inclusion6 decks19 decks
Basilisk Gate
32%inclusion6 decks19 decks
Guildless Commons
26%inclusion5 decks19 decks
The Black Gate
26%inclusion5 decks19 decks
Yavimaya, Cradle of Growth
26%inclusion5 decks19 decks
Bojuka Bog
26%inclusion5 decks19 decks
Baldur's Gate
21%inclusion4 decks19 decks
Drownyard Temple
21%inclusion4 decks19 decks
Urborg, Tomb of Yawgmoth
21%inclusion4 decks19 decks
Arid Archway
16%inclusion3 decks19 decks
Lotus Field
16%inclusion3 decks19 decks
Vesuva
16%inclusion3 decks19 decks
Shifting Woodland
16%inclusion3 decks19 decks
Otawara, Soaring City
16%inclusion3 decks19 decks
Mana Artifacts
Sol Ring
63%inclusion12 decks19 decks
Springleaf Drum
53%inclusion10 decks19 decks
Arcane Signet
42%inclusion8 decks19 decks
Relic of Legends
37%inclusion7 decks19 decks
Paradise Mantle
26%inclusion5 decks19 decks
Talisman of Curiosity
26%inclusion5 decks19 decks
Commander's Sphere
16%inclusion3 decks19 decks
Lands
Dimir Aqueduct
84%inclusion16 decks19 decks
Golgari Rot Farm
84%inclusion16 decks19 decks
Simic Growth Chamber
84%inclusion16 decks19 decks
Command Tower
84%inclusion16 decks19 decks
Zagoth Triome
63%inclusion12 decks19 decks
Dimir Guildgate
47%inclusion9 decks19 decks
Simic Guildgate
47%inclusion9 decks19 decks
Opulent Palace
47%inclusion9 decks19 decks
Watery Grave
47%inclusion9 decks19 decks
Breeding Pool
47%inclusion9 decks19 decks
Black Dragon Gate
42%inclusion8 decks19 decks
Sea Gate
42%inclusion8 decks19 decks
Manor Gate
42%inclusion8 decks19 decks
Overgrown Tomb
42%inclusion8 decks19 decks
Golgari Guildgate
37%inclusion7 decks19 decks
Verdant Catacombs
37%inclusion7 decks19 decks
Misty Rainforest
37%inclusion7 decks19 decks
Polluted Delta
37%inclusion7 decks19 decks
Holdout Settlement
32%inclusion6 decks19 decks
Heap Gate
32%inclusion6 decks19 decks
Survivors' Encampment
32%inclusion6 decks19 decks
Temple of Deceit
32%inclusion6 decks19 decks
Temple of Malady
32%inclusion6 decks19 decks
Temple of Mystery
32%inclusion6 decks19 decks
Thawing Glaciers
26%inclusion5 decks19 decks
Gateway Plaza
26%inclusion5 decks19 decks
Gond Gate
26%inclusion5 decks19 decks
Tangled Islet
26%inclusion5 decks19 decks
Hedge Maze
26%inclusion5 decks19 decks
Terramorphic Expanse
26%inclusion5 decks19 decks
Myriad Landscape
26%inclusion5 decks19 decks
Haunted Mire
21%inclusion4 decks19 decks
Dismal Backwater
21%inclusion4 decks19 decks
Thornwood Falls
21%inclusion4 decks19 decks
Underground Mortuary
21%inclusion4 decks19 decks
Evolving Wilds
21%inclusion4 decks19 decks
Dreamroot Cascade
21%inclusion4 decks19 decks
Scene of the Crime
16%inclusion3 decks19 decks
Contaminated Aquifer
16%inclusion3 decks19 decks
Jungle Hollow
16%inclusion3 decks19 decks
Foreboding Landscape
16%inclusion3 decks19 decks
Fabled Passage
16%inclusion3 decks19 decks
Marsh Flats
16%inclusion3 decks19 decks
Scalding Tarn
16%inclusion3 decks19 decks
Wooded Foothills
16%inclusion3 decks19 decks
Windswept Heath
16%inclusion3 decks19 decks
Undercity Sewers
16%inclusion3 decks19 decks
Path of Ancestry
16%inclusion3 decks19 decks
Morphic Pool
16%inclusion3 decks19 decks
Undergrowth Stadium
16%inclusion3 decks19 decks