Bjorna, Nightfall Alchemist
Othelm, Sigardian Outcast
Intruder Alarm
Cathodion

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
Bjorna and Othelm do not have summoning sickness.

   Steps

How does this combo work?
1
Activate Bjorna by tapping it and sacrificing Cathodion, targeting any creature.
2
Cathodion dies, adding .
3
Activate Othelm by paying 2 and tapping it, returning Cathodion from your graveyard to the battlefield.
4
Cathodion enters the battlefield, triggering Intruder Alarm, untapping all creatures.
5
Repeat an arbitrarily large number of times.
6
Resolve all Bjorna abilities, dealing infinite damage to any creature(s).

   Results

What do I get from this combo?
Infinite colorless mana
Infinite damage to creatures
Infinite death triggers
Infinite ETB
Infinite LTB
Infinite mana creatures you control can produce
Infinite sacrifice triggers
Infinite untap of creatures
Bjorna, Nightfall Alchemist // Othelm, Sigardian Outcast
18%inclusion58 decks320 decks
Cecily, Haunted Mage // Othelm, Sigardian Outcast
0.0%inclusion1 decks2.17K decks
High Synergy Cards
Solemn Simulacrum
88%inclusion52 decks59 decks
75%synergy
Scrap Trawler
76%inclusion45 decks59 decks
75%synergy
Circuit Mender
69%inclusion41 decks59 decks
69%synergy
Thought Monitor
71%inclusion42 decks59 decks
68%synergy
Myr Retriever
66%inclusion39 decks59 decks
64%synergy
Foundry Inspector
68%inclusion40 decks59 decks
64%synergy
Oswald Fiddlebender
64%inclusion38 decks59 decks
63%synergy
Ashnod's Altar
69%inclusion41 decks59 decks
63%synergy
Filigree Familiar
63%inclusion37 decks59 decks
62%synergy
Meteor Golem
63%inclusion37 decks59 decks
61%synergy
Top Cards
Haywire Mite
63%inclusion37 decks59 decks
59%synergy
Emry, Lurker of the Loch
63%inclusion37 decks59 decks
58%synergy
Corridor Monitor
61%inclusion36 decks59 decks
61%synergy
Ioreth of the Healing House
61%inclusion36 decks59 decks
60%synergy
Etherium Sculptor
61%inclusion36 decks59 decks
55%synergy
Swords to Plowshares
59%inclusion35 decks59 decks
-2%synergy
Myr Battlesphere
58%inclusion34 decks59 decks
56%synergy
Enthusiastic Mechanaut
58%inclusion34 decks59 decks
53%synergy
Combustible Gearhulk
54%inclusion32 decks59 decks
51%synergy
Phyrexian Triniform
49%inclusion29 decks59 decks
49%synergy
Game Changers
Seedborn Muse
31%inclusion18 decks59 decks
22%synergy
Enlightened Tutor
31%inclusion18 decks59 decks
15%synergy
Smothering Tithe
20%inclusion12 decks59 decks
-1%synergy
Aura Shards
15%inclusion9 decks59 decks
8%synergy
Fierce Guardianship
14%inclusion8 decks59 decks
-4%synergy
Worldly Tutor
12%inclusion7 decks59 decks
0%synergy
Drannith Magistrate
5.1%inclusion3 decks59 decks
0%synergy
The One Ring
5.1%inclusion3 decks59 decks
-3%synergy
Ancient Tomb
5.1%inclusion3 decks59 decks
-4%synergy
Force of Will
5.1%inclusion3 decks59 decks
-5%synergy
Creatures
Reckless Fireweaver
49%inclusion29 decks59 decks
45%synergy
Wurmcoil Engine
47%inclusion28 decks59 decks
46%synergy
Ornithopter of Paradise
47%inclusion28 decks59 decks
43%synergy
Treasure Keeper
44%inclusion26 decks59 decks
44%synergy
Junk Diver
44%inclusion26 decks59 decks
43%synergy
Angel of the Ruins
42%inclusion25 decks59 decks
39%synergy
Triplicate Titan
39%inclusion23 decks59 decks
38%synergy
Teshar, Ancestor's Apostle
32%inclusion19 decks59 decks
30%synergy
Goblin Engineer
32%inclusion19 decks59 decks
29%synergy
Canoptek Tomb Sentinel
31%inclusion18 decks59 decks
30%synergy
Sai, Master Thopterist
31%inclusion18 decks59 decks
27%synergy
Birds of Paradise
31%inclusion18 decks59 decks
3%synergy
Workshop Assistant
29%inclusion17 decks59 decks
28%synergy
Kiora's Follower
29%inclusion17 decks59 decks
24%synergy
Bloom Tender
29%inclusion17 decks59 decks
21%synergy
Kappa Cannoneer
25%inclusion15 decks59 decks
22%synergy
Faeburrow Elder
25%inclusion15 decks59 decks
14%synergy
Esper Sentinel
25%inclusion15 decks59 decks
6%synergy
Drumbellower
24%inclusion14 decks59 decks
22%synergy
Tannuk, Steadfast Second
24%inclusion4 decks17 decks
23%synergy
Su-Chi Cave Guard
22%inclusion13 decks59 decks
22%synergy
Meria, Scholar of Antiquity
20%inclusion12 decks59 decks
20%synergy
Breya's Apprentice
20%inclusion12 decks59 decks
20%synergy
Canoptek Spyder
20%inclusion12 decks59 decks
20%synergy
Syr Ginger, the Meal Ender
20%inclusion12 decks59 decks
20%synergy
Goblin Welder
20%inclusion12 decks59 decks
18%synergy
Losheel, Clockwork Scholar
20%inclusion12 decks59 decks
18%synergy
Burnished Hart
20%inclusion12 decks59 decks
17%synergy
Phyrexian Metamorph
20%inclusion12 decks59 decks
13%synergy
Unctus, Grand Metatect
19%inclusion11 decks59 decks
18%synergy
Riptide Gearhulk
18%inclusion6 decks34 decks
15%synergy
Scrap Welder
17%inclusion10 decks59 decks
17%synergy
Threefold Thunderhulk
17%inclusion10 decks59 decks
16%synergy
Bronze Guardian
17%inclusion10 decks59 decks
15%synergy
Market Gnome
15%inclusion9 decks59 decks
15%synergy
Duplicant
15%inclusion9 decks59 decks
15%synergy
Alibou, Ancient Witness
15%inclusion9 decks59 decks
13%synergy
Marvin, Murderous Mimic
14%inclusion6 decks42 decks
13%synergy
Agatha of the Vile Cauldron
14%inclusion8 decks59 decks
13%synergy
Lonis, Cryptozoologist
14%inclusion8 decks59 decks
12%synergy
Master Transmuter
14%inclusion8 decks59 decks
12%synergy
Jhoira, Weatherlight Captain
14%inclusion8 decks59 decks
8%synergy
Molten Gatekeeper
12%inclusion6 decks49 decks
10%synergy
Noble Hierarch
12%inclusion7 decks59 decks
-4%synergy
Pyrewood Gearhulk
12%inclusion4 decks34 decks
11%synergy
Clone Shell
10%inclusion6 decks59 decks
10%synergy
Gleaming Geardrake
10%inclusion6 decks59 decks
10%synergy
Palladium Myr
10%inclusion6 decks59 decks
8%synergy
Cyberdrive Awakener
10%inclusion6 decks59 decks
7%synergy
Su-Chi
8.5%inclusion5 decks59 decks
8%synergy
Instants
Path to Exile
49%inclusion29 decks59 decks
2%synergy
Counterspell
36%inclusion21 decks59 decks
-6%synergy
Dispatch
32%inclusion19 decks59 decks
27%synergy
Generous Gift
32%inclusion19 decks59 decks
10%synergy
Beast Within
32%inclusion19 decks59 decks
-2%synergy
Heroic Intervention
31%inclusion18 decks59 decks
0%synergy
An Offer You Can't Refuse
22%inclusion13 decks59 decks
-2%synergy
Chaos Warp
17%inclusion10 decks59 decks
-13%synergy
Swan Song
15%inclusion9 decks59 decks
-2%synergy
Dovin's Veto
15%inclusion9 decks59 decks
-3%synergy
Negate
15%inclusion9 decks59 decks
-6%synergy
Mana Drain
12%inclusion7 decks59 decks
-3%synergy
Cyclonic Rift
12%inclusion7 decks59 decks
-11%synergy
Dramatic Reversal
10%inclusion6 decks59 decks
6%synergy
Stroke of Midnight
10%inclusion6 decks59 decks
0%synergy
Arcane Denial
10%inclusion6 decks59 decks
-10%synergy
Deflecting Swat
8.5%inclusion5 decks59 decks
-8%synergy
Teferi's Protection
8.5%inclusion5 decks59 decks
-8%synergy
Thirst for Knowledge
6.8%inclusion4 decks59 decks
5%synergy
Whir of Invention
6.8%inclusion4 decks59 decks
4%synergy
Eladamri's Call
6.8%inclusion4 decks59 decks
-2%synergy
Flawless Maneuver
6.8%inclusion4 decks59 decks
-4%synergy
Boros Charm
6.8%inclusion4 decks59 decks
-16%synergy
Broken Wings
5.1%inclusion3 decks59 decks
4%synergy
Nature's Claim
5.1%inclusion3 decks59 decks
-2%synergy
Reality Shift
5.1%inclusion3 decks59 decks
-3%synergy
Frantic Search
5.1%inclusion3 decks59 decks
-9%synergy
Sorceries
Farseek
42%inclusion25 decks59 decks
6%synergy
Cultivate
41%inclusion24 decks59 decks
-2%synergy
Wake the Past
37%inclusion22 decks59 decks
34%synergy
Fabricate
32%inclusion19 decks59 decks
27%synergy
Blasphemous Act
32%inclusion19 decks59 decks
-1%synergy
Organic Extinction
31%inclusion18 decks59 decks
28%synergy
Thoughtcast
25%inclusion15 decks59 decks
22%synergy
Kodama's Reach
22%inclusion13 decks59 decks
-5%synergy
Rampant Growth
20%inclusion12 decks59 decks
-13%synergy
Supreme Verdict
19%inclusion11 decks59 decks
6%synergy
Nature's Lore
19%inclusion11 decks59 decks
-13%synergy
Idyllic Tutor
17%inclusion10 decks59 decks
13%synergy
Dance of the Manse
15%inclusion9 decks59 decks
12%synergy
Sevinne's Reclamation
15%inclusion9 decks59 decks
8%synergy
Neoform
12%inclusion7 decks59 decks
8%synergy
Austere Command
12%inclusion7 decks59 decks
0%synergy
Farewell
10%inclusion6 decks59 decks
-3%synergy
Jeska's Will
10%inclusion6 decks59 decks
-5%synergy
Three Visits
10%inclusion6 decks59 decks
-14%synergy
Faithless Looting
8.5%inclusion5 decks59 decks
-7%synergy
Trash for Treasure
6.8%inclusion4 decks59 decks
6%synergy
Finale of Devastation
6.8%inclusion4 decks59 decks
-1%synergy
Eldritch Evolution
5.1%inclusion3 decks59 decks
1%synergy
Utility Artifacts
Ichor Wellspring
39%inclusion23 decks59 decks
37%synergy
Thousand-Year Elixir
34%inclusion20 decks59 decks
32%synergy
Thopter Shop
29%inclusion17 decks59 decks
28%synergy
Birthing Pod
25%inclusion15 decks59 decks
24%synergy
Lightning Greaves
24%inclusion14 decks59 decks
-1%synergy
Encroaching Mycosynth
22%inclusion13 decks59 decks
21%synergy
Krark-Clan Ironworks
20%inclusion12 decks59 decks
19%synergy
Panharmonicon
20%inclusion12 decks59 decks
16%synergy
Repurposing Bay
18%inclusion6 decks34 decks
17%synergy
Thornbite Staff
17%inclusion10 decks59 decks
16%synergy
Unwinding Clock
17%inclusion10 decks59 decks
14%synergy
Basilisk Collar
17%inclusion10 decks59 decks
13%synergy
Trading Post
15%inclusion9 decks59 decks
14%synergy
Swiftfoot Boots
15%inclusion9 decks59 decks
-12%synergy
Mycosynth Wellspring
14%inclusion8 decks59 decks
13%synergy
Magewright's Stone
12%inclusion7 decks59 decks
11%synergy
Simulacrum Synthesizer
9.1%inclusion5 decks55 decks
7%synergy
Skullclamp
8.5%inclusion5 decks59 decks
-3%synergy
Blasting Station
6.8%inclusion4 decks59 decks
6%synergy
Sculpting Steel
6.8%inclusion4 decks59 decks
5%synergy
Phyrexian Altar
6.8%inclusion4 decks59 decks
3%synergy
Detective's Satchel
5.1%inclusion3 decks59 decks
5%synergy
Lux Artillery
5.1%inclusion3 decks59 decks
5%synergy
Norn's Wellspring
5.1%inclusion3 decks59 decks
5%synergy
The Enigma Jewel
5.1%inclusion3 decks59 decks
5%synergy
Genesis Chamber
5.1%inclusion3 decks59 decks
4%synergy
Isochron Scepter
5.1%inclusion3 decks59 decks
3%synergy
Cloud Key
5.1%inclusion3 decks59 decks
3%synergy
Enchantments
Impact Tremors
39%inclusion23 decks59 decks
29%synergy
Weapons Manufacturing
28%inclusion5 decks18 decks
26%synergy
Thopter Spy Network
22%inclusion13 decks59 decks
19%synergy
Goblin Bombardment
20%inclusion12 decks59 decks
15%synergy
Mirrodin Besieged
15%inclusion9 decks59 decks
14%synergy
Training Grounds
15%inclusion9 decks59 decks
12%synergy
Rhystic Study
15%inclusion9 decks59 decks
-9%synergy
Guardian Project
12%inclusion7 decks59 decks
4%synergy
Mystic Remora
10%inclusion6 decks59 decks
-6%synergy
Ulvenwald Mysteries
8.5%inclusion5 decks59 decks
8%synergy
Virtue of Knowledge
8.5%inclusion5 decks59 decks
7%synergy
Sylvan Library
8.5%inclusion5 decks59 decks
-1%synergy
Freed from the Real
6.8%inclusion4 decks59 decks
5%synergy
Sneak Attack
6.8%inclusion4 decks59 decks
5%synergy
Sterling Grove
6.8%inclusion4 decks59 decks
0%synergy
Storm the Vault
5.1%inclusion3 decks59 decks
3%synergy
Planeswalkers
Daretti, Scrap Savant
36%inclusion21 decks59 decks
34%synergy
Teferi, Who Slows the Sunset
5.1%inclusion3 decks59 decks
3%synergy
Saheeli, Sublime Artificer
5.1%inclusion3 decks59 decks
2%synergy
Utility Lands
Seat of the Synod
41%inclusion24 decks59 decks
34%synergy
Ancient Den
39%inclusion23 decks59 decks
34%synergy
Tree of Tales
36%inclusion21 decks59 decks
33%synergy
Great Furnace
32%inclusion19 decks59 decks
26%synergy
Inventors' Fair
22%inclusion13 decks59 decks
18%synergy
Academy Ruins
22%inclusion13 decks59 decks
17%synergy
Darksteel Citadel
20%inclusion12 decks59 decks
17%synergy
Buried Ruin
20%inclusion12 decks59 decks
16%synergy
Uthros, Titanic Godcore
17%inclusion3 decks18 decks
13%synergy
Urza's Saga
15%inclusion9 decks59 decks
8%synergy
Reliquary Tower
12%inclusion7 decks59 decks
-18%synergy
Boseiju, Who Endures
8.5%inclusion5 decks59 decks
-10%synergy
Treasure Vault
6.8%inclusion4 decks59 decks
4%synergy
Otawara, Soaring City
6.8%inclusion4 decks59 decks
-10%synergy
Temple of the False God
5.1%inclusion3 decks59 decks
-4%synergy
Mana Artifacts
Sol Ring
88%inclusion52 decks59 decks
4%synergy
Arcane Signet
85%inclusion50 decks59 decks
12%synergy
Fellwar Stone
46%inclusion27 decks59 decks
25%synergy
Chromatic Lantern
41%inclusion24 decks59 decks
32%synergy
Liquimetal Torque
29%inclusion17 decks59 decks
26%synergy
Talisman of Progress
19%inclusion11 decks59 decks
-7%synergy
Talisman of Unity
15%inclusion9 decks59 decks
8%synergy
Commander's Sphere
15%inclusion9 decks59 decks
3%synergy
Talisman of Curiosity
14%inclusion8 decks59 decks
1%synergy
Talisman of Conviction
14%inclusion8 decks59 decks
-11%synergy
Talisman of Creativity
14%inclusion8 decks59 decks
-15%synergy
Talisman of Impulse
12%inclusion7 decks59 decks
1%synergy
Izzet Signet
12%inclusion7 decks59 decks
-12%synergy
Patriar's Seal
8.5%inclusion5 decks59 decks
7%synergy
Mox Opal
8.5%inclusion5 decks59 decks
4%synergy
Mox Amber
8.5%inclusion5 decks59 decks
4%synergy
Simic Signet
8.5%inclusion5 decks59 decks
-3%synergy
Boros Signet
8.5%inclusion5 decks59 decks
-11%synergy
Azorius Signet
8.5%inclusion5 decks59 decks
-13%synergy
Slagstone Refinery
6.8%inclusion4 decks59 decks
7%synergy
Basalt Monolith
6.8%inclusion4 decks59 decks
4%synergy
Selesnya Signet
6.8%inclusion4 decks59 decks
-1%synergy
Gruul Signet
6.8%inclusion4 decks59 decks
-3%synergy
Lands
Command Tower
95%inclusion56 decks59 decks
21%synergy
Exotic Orchard
69%inclusion41 decks59 decks
33%synergy
Ketria Triome
39%inclusion23 decks59 decks
8%synergy
Spire of Industry
37%inclusion22 decks59 decks
34%synergy
Silverbluff Bridge
37%inclusion22 decks59 decks
31%synergy
Razortide Bridge
37%inclusion22 decks59 decks
31%synergy
Raugrin Triome
37%inclusion22 decks59 decks
13%synergy
Spara's Headquarters
37%inclusion22 decks59 decks
9%synergy
Jetmir's Garden
37%inclusion22 decks59 decks
8%synergy
Tanglepool Bridge
32%inclusion19 decks59 decks
30%synergy
Sacred Foundry
32%inclusion19 decks59 decks
-4%synergy
Steam Vents
32%inclusion19 decks59 decks
-6%synergy
Breeding Pool
32%inclusion19 decks59 decks
-10%synergy
Slagwoods Bridge
31%inclusion18 decks59 decks
28%synergy
Rustvale Bridge
31%inclusion18 decks59 decks
25%synergy
Wooded Foothills
31%inclusion18 decks59 decks
20%synergy
Temple Garden
31%inclusion18 decks59 decks
-8%synergy
Stomping Ground
31%inclusion18 decks59 decks
-11%synergy
Arid Mesa
29%inclusion17 decks59 decks
19%synergy
Misty Rainforest
29%inclusion17 decks59 decks
17%synergy
Hallowed Fountain
29%inclusion17 decks59 decks
-11%synergy
Scalding Tarn
27%inclusion16 decks59 decks
16%synergy
Flooded Strand
27%inclusion16 decks59 decks
16%synergy
Mystic Monastery
27%inclusion16 decks59 decks
-1%synergy
Windswept Heath
25%inclusion15 decks59 decks
14%synergy
Jungle Shrine
25%inclusion15 decks59 decks
-6%synergy
Rejuvenating Springs
24%inclusion14 decks59 decks
-3%synergy
Thornglint Bridge
22%inclusion13 decks59 decks
20%synergy
Seaside Citadel
22%inclusion13 decks59 decks
-5%synergy
Frontier Bivouac
22%inclusion13 decks59 decks
-7%synergy
Battlefield Forge
22%inclusion13 decks59 decks
-7%synergy
Shivan Reef
22%inclusion13 decks59 decks
-7%synergy
Path of Ancestry
20%inclusion12 decks59 decks
-2%synergy
Bountiful Promenade
20%inclusion12 decks59 decks
-2%synergy
Training Center
20%inclusion12 decks59 decks
-5%synergy
Yavimaya Coast
20%inclusion12 decks59 decks
-7%synergy
Sea of Clouds
19%inclusion11 decks59 decks
-6%synergy
Evolving Wilds
17%inclusion10 decks59 decks
-4%synergy
Spectator Seating
17%inclusion10 decks59 decks
-6%synergy
City of Brass
15%inclusion9 decks59 decks
8%synergy
Terramorphic Expanse
15%inclusion9 decks59 decks
0%synergy
Spire Garden
15%inclusion9 decks59 decks
-7%synergy
Adarkar Wastes
15%inclusion9 decks59 decks
-8%synergy
Plateau
14%inclusion8 decks59 decks
2%synergy
Brushland
14%inclusion8 decks59 decks
-6%synergy
Karplusan Forest
14%inclusion8 decks59 decks
-6%synergy
Cinder Glade
14%inclusion8 decks59 decks
-25%synergy
Mana Confluence
12%inclusion7 decks59 decks
5%synergy
Hedge Maze
12%inclusion7 decks59 decks
1%synergy
Savannah
12%inclusion7 decks59 decks
-1%synergy