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
Infinite untap of creatures you control
Hawkeye, Avenging Archer
33%inclusion1 decks3 decks
33%synergy
Ultron, Artificial Malevolence
17%inclusion1 decks6 decks
16%synergy
High Synergy Cards
Solemn Simulacrum
91%inclusion53 decks58 decks
79%synergy
Scrap Trawler
78%inclusion45 decks58 decks
76%synergy
Thought Monitor
76%inclusion44 decks58 decks
72%synergy
Haywire Mite
69%inclusion40 decks58 decks
65%synergy
Foundry Inspector
67%inclusion39 decks58 decks
63%synergy
Circuit Mender
64%inclusion37 decks58 decks
63%synergy
Ashnod's Altar
69%inclusion40 decks58 decks
63%synergy
Oswald Fiddlebender
64%inclusion37 decks58 decks
63%synergy
Meteor Golem
64%inclusion37 decks58 decks
62%synergy
Emry, Lurker of the Loch
66%inclusion38 decks58 decks
61%synergy
Top Cards
Myr Retriever
62%inclusion36 decks58 decks
60%synergy
Etherium Sculptor
62%inclusion36 decks58 decks
56%synergy
Swords to Plowshares
60%inclusion35 decks58 decks
-0%synergy
Filigree Familiar
59%inclusion34 decks58 decks
58%synergy
Corridor Monitor
57%inclusion33 decks58 decks
57%synergy
Combustible Gearhulk
57%inclusion33 decks58 decks
54%synergy
Wurmcoil Engine
55%inclusion32 decks58 decks
54%synergy
Enthusiastic Mechanaut
55%inclusion32 decks58 decks
50%synergy
Myr Battlesphere
53%inclusion31 decks58 decks
52%synergy
Ioreth of the Healing House
52%inclusion30 decks58 decks
50%synergy
Game Changers
Seedborn Muse
29%inclusion17 decks58 decks
21%synergy
Enlightened Tutor
28%inclusion16 decks58 decks
13%synergy
Smothering Tithe
14%inclusion8 decks58 decks
-7%synergy
Rhystic Study
14%inclusion8 decks58 decks
-9%synergy
Aura Shards
12%inclusion7 decks58 decks
5%synergy
Fierce Guardianship
12%inclusion7 decks58 decks
-5%synergy
Worldly Tutor
10%inclusion6 decks58 decks
-1%synergy
Jeska's Will
8.6%inclusion5 decks58 decks
-7%synergy
Farewell
6.9%inclusion4 decks58 decks
-5%synergy
Teferi's Protection
6.9%inclusion4 decks58 decks
-9%synergy
Creatures
Reckless Fireweaver
50%inclusion29 decks58 decks
46%synergy
Treasure Keeper
48%inclusion28 decks58 decks
48%synergy
Angel of the Ruins
47%inclusion27 decks58 decks
43%synergy
Ornithopter of Paradise
47%inclusion27 decks58 decks
42%synergy
Phyrexian Triniform
45%inclusion26 decks58 decks
44%synergy
Junk Diver
43%inclusion25 decks58 decks
42%synergy
Triplicate Titan
40%inclusion23 decks58 decks
39%synergy
Sai, Master Thopterist
38%inclusion22 decks58 decks
34%synergy
Canoptek Tomb Sentinel
36%inclusion21 decks58 decks
36%synergy
Kappa Cannoneer
34%inclusion20 decks58 decks
31%synergy
Teshar, Ancestor's Apostle
33%inclusion19 decks58 decks
31%synergy
Goblin Welder
33%inclusion19 decks58 decks
31%synergy
Goblin Engineer
33%inclusion19 decks58 decks
30%synergy
Bloom Tender
33%inclusion19 decks58 decks
24%synergy
Esper Sentinel
33%inclusion19 decks58 decks
14%synergy
Birds of Paradise
31%inclusion18 decks58 decks
3%synergy
Kiora's Follower
29%inclusion17 decks58 decks
25%synergy
Phyrexian Metamorph
26%inclusion15 decks58 decks
19%synergy
Su-Chi Cave Guard
24%inclusion14 decks58 decks
24%synergy
Workshop Assistant
24%inclusion14 decks58 decks
24%synergy
Losheel, Clockwork Scholar
24%inclusion14 decks58 decks
22%synergy
Faeburrow Elder
24%inclusion14 decks58 decks
12%synergy
Canoptek Spyder
22%inclusion13 decks58 decks
22%synergy
Drumbellower
21%inclusion12 decks58 decks
19%synergy
Riptide Gearhulk
20%inclusion9 decks46 decks
17%synergy
Duplicant
19%inclusion11 decks58 decks
18%synergy
Tannuk, Steadfast Second
19%inclusion6 decks32 decks
18%synergy
Pyrewood Gearhulk
17%inclusion8 decks46 decks
17%synergy
Marvin, Murderous Mimic
17%inclusion9 decks54 decks
15%synergy
Krang, Utrom Warlord
16%inclusion3 decks19 decks
15%synergy
Unctus, Grand Metatect
16%inclusion9 decks58 decks
15%synergy
Master Transmuter
16%inclusion9 decks58 decks
14%synergy
Noble Hierarch
16%inclusion9 decks58 decks
-0%synergy
Scrap Welder
14%inclusion8 decks58 decks
14%synergy
Lonis, Cryptozoologist
14%inclusion8 decks58 decks
13%synergy
Bronze Guardian
14%inclusion8 decks58 decks
12%synergy
Alibou, Ancient Witness
14%inclusion8 decks58 decks
11%synergy
Market Gnome
12%inclusion7 decks58 decks
12%synergy
Meria, Scholar of Antiquity
12%inclusion7 decks58 decks
12%synergy
Breya's Apprentice
12%inclusion7 decks58 decks
12%synergy
Syr Ginger, the Meal Ender
12%inclusion7 decks58 decks
12%synergy
Village Bell-Ringer
12%inclusion7 decks58 decks
11%synergy
Burnished Hart
12%inclusion7 decks58 decks
9%synergy
Brightglass Gearhulk
12%inclusion6 decks51 decks
10%synergy
Clone Shell
10%inclusion6 decks58 decks
10%synergy
Arcbound Shikari
10%inclusion6 decks58 decks
10%synergy
Torrential Gearhulk
10%inclusion6 decks58 decks
9%synergy
Molten Gatekeeper
10%inclusion6 decks58 decks
8%synergy
Delighted Halfling
10%inclusion6 decks58 decks
-2%synergy
Su-Chi
8.6%inclusion5 decks58 decks
9%synergy
Instants
Path to Exile
47%inclusion27 decks58 decks
-1%synergy
Dispatch
36%inclusion21 decks58 decks
31%synergy
Beast Within
34%inclusion20 decks58 decks
2%synergy
Counterspell
33%inclusion19 decks58 decks
-9%synergy
Generous Gift
31%inclusion18 decks58 decks
10%synergy
Heroic Intervention
28%inclusion16 decks58 decks
-3%synergy
An Offer You Can't Refuse
21%inclusion12 decks58 decks
-5%synergy
Chaos Warp
17%inclusion10 decks58 decks
-12%synergy
Swan Song
16%inclusion9 decks58 decks
-3%synergy
Mana Drain
12%inclusion7 decks58 decks
-2%synergy
Dovin's Veto
12%inclusion7 decks58 decks
-6%synergy
Negate
12%inclusion7 decks58 decks
-8%synergy
Deflecting Swat
10%inclusion6 decks58 decks
-7%synergy
Arcane Denial
10%inclusion6 decks58 decks
-10%synergy
Dramatic Reversal
8.6%inclusion5 decks58 decks
4%synergy
Eladamri's Call
8.6%inclusion5 decks58 decks
-0%synergy
Stroke of Midnight
8.6%inclusion5 decks58 decks
-1%synergy
Whir of Invention
6.9%inclusion4 decks58 decks
4%synergy
Cyclonic Rift
6.9%inclusion4 decks58 decks
-14%synergy
Thirst for Knowledge
5.2%inclusion3 decks58 decks
4%synergy
Valakut Awakening
5.2%inclusion3 decks58 decks
0%synergy
Reality Shift
5.2%inclusion3 decks58 decks
-3%synergy
Flawless Maneuver
5.2%inclusion3 decks58 decks
-5%synergy
Boros Charm
5.2%inclusion3 decks58 decks
-17%synergy
Sorceries
Farseek
43%inclusion25 decks58 decks
7%synergy
Wake the Past
36%inclusion21 decks58 decks
33%synergy
Cultivate
36%inclusion21 decks58 decks
-6%synergy
Blasphemous Act
34%inclusion20 decks58 decks
1%synergy
Organic Extinction
33%inclusion19 decks58 decks
30%synergy
Fabricate
26%inclusion15 decks58 decks
20%synergy
Thoughtcast
24%inclusion14 decks58 decks
21%synergy
Supreme Verdict
19%inclusion11 decks58 decks
7%synergy
Nature's Lore
19%inclusion11 decks58 decks
-12%synergy
Kodama's Reach
17%inclusion10 decks58 decks
-9%synergy
Rampant Growth
17%inclusion10 decks58 decks
-15%synergy
Dance of the Manse
14%inclusion8 decks58 decks
11%synergy
Neoform
14%inclusion8 decks58 decks
10%synergy
Sevinne's Reclamation
14%inclusion8 decks58 decks
7%synergy
Idyllic Tutor
12%inclusion7 decks58 decks
8%synergy
Trash for Treasure
10%inclusion6 decks58 decks
9%synergy
Austere Command
10%inclusion6 decks58 decks
-1%synergy
Three Visits
8.6%inclusion5 decks58 decks
-16%synergy
Bala Ged Recovery
6.9%inclusion4 decks58 decks
-1%synergy
Faithless Looting
6.9%inclusion4 decks58 decks
-9%synergy
Utility Artifacts
Ichor Wellspring
41%inclusion24 decks58 decks
40%synergy
Thousand-Year Elixir
29%inclusion17 decks58 decks
28%synergy
Thopter Shop
28%inclusion16 decks58 decks
27%synergy
Birthing Pod
28%inclusion16 decks58 decks
26%synergy
Lightning Greaves
26%inclusion15 decks58 decks
1%synergy
Krark-Clan Ironworks
24%inclusion14 decks58 decks
23%synergy
Basilisk Collar
19%inclusion11 decks58 decks
15%synergy
Simulacrum Synthesizer
17%inclusion10 decks58 decks
15%synergy
Panharmonicon
17%inclusion10 decks58 decks
13%synergy
Cryogen Relic
16%inclusion5 decks32 decks
14%synergy
Thornbite Staff
16%inclusion9 decks58 decks
15%synergy
Repurposing Bay
15%inclusion7 decks46 decks
14%synergy
Encroaching Mycosynth
14%inclusion8 decks58 decks
13%synergy
Swiftfoot Boots
14%inclusion8 decks58 decks
-13%synergy
Skullclamp
12%inclusion7 decks58 decks
1%synergy
Trading Post
10%inclusion6 decks58 decks
10%synergy
Sculpting Steel
10%inclusion6 decks58 decks
8%synergy
Cloud Key
10%inclusion6 decks58 decks
8%synergy
Unwinding Clock
10%inclusion6 decks58 decks
8%synergy
Mycosynth Wellspring
8.6%inclusion5 decks58 decks
8%synergy
Phyrexian Altar
8.6%inclusion5 decks58 decks
5%synergy
Blasting Station
6.9%inclusion4 decks58 decks
6%synergy
The Enigma Jewel
6.9%inclusion4 decks58 decks
6%synergy
Magewright's Stone
6.9%inclusion4 decks58 decks
6%synergy
Esoteric Duplicator
5.2%inclusion3 decks58 decks
5%synergy
Genesis Chamber
5.2%inclusion3 decks58 decks
5%synergy
Mystic Forge
5.2%inclusion3 decks58 decks
2%synergy
Enchantments
Weapons Manufacturing
33%inclusion11 decks33 decks
32%synergy
Impact Tremors
33%inclusion19 decks58 decks
23%synergy
Thopter Spy Network
19%inclusion11 decks58 decks
16%synergy
Goblin Bombardment
19%inclusion11 decks58 decks
13%synergy
Training Grounds
17%inclusion10 decks58 decks
14%synergy
Guardian Project
14%inclusion8 decks58 decks
6%synergy
Ulvenwald Mysteries
10%inclusion6 decks58 decks
10%synergy
Mirrodin Besieged
10%inclusion6 decks58 decks
9%synergy
Mystic Remora
10%inclusion6 decks58 decks
-5%synergy
Sneak Attack
8.6%inclusion5 decks58 decks
6%synergy
Sterling Grove
6.9%inclusion4 decks58 decks
1%synergy
Unstoppable Plan
6.5%inclusion3 decks46 decks
5%synergy
Splinter Twin
5.2%inclusion3 decks58 decks
5%synergy
Quest for Renewal
5.2%inclusion3 decks58 decks
4%synergy
Freed from the Real
5.2%inclusion3 decks58 decks
3%synergy
Sylvan Library
5.2%inclusion3 decks58 decks
-4%synergy
Planeswalkers
Daretti, Scrap Savant
41%inclusion24 decks58 decks
40%synergy
Teferi, Who Slows the Sunset
6.9%inclusion4 decks58 decks
5%synergy
Kiora, Behemoth Beckoner
5.2%inclusion3 decks58 decks
2%synergy
Artifacts
Sol Ring
83%inclusion48 decks58 decks
-1%synergy
Arcane Signet
78%inclusion45 decks58 decks
6%synergy
Ichor Wellspring
41%inclusion24 decks58 decks
40%synergy
Fellwar Stone
40%inclusion23 decks58 decks
19%synergy
Chromatic Lantern
34%inclusion20 decks58 decks
26%synergy
Thousand-Year Elixir
29%inclusion17 decks58 decks
28%synergy
Thopter Shop
28%inclusion16 decks58 decks
27%synergy
Birthing Pod
28%inclusion16 decks58 decks
26%synergy
Lightning Greaves
26%inclusion15 decks58 decks
1%synergy
Krark-Clan Ironworks
24%inclusion14 decks58 decks
23%synergy
Liquimetal Torque
24%inclusion14 decks58 decks
22%synergy
Basilisk Collar
19%inclusion11 decks58 decks
15%synergy
Simulacrum Synthesizer
17%inclusion10 decks58 decks
15%synergy
Panharmonicon
17%inclusion10 decks58 decks
13%synergy
Cryogen Relic
16%inclusion5 decks32 decks
14%synergy
Thornbite Staff
16%inclusion9 decks58 decks
15%synergy
Repurposing Bay
15%inclusion7 decks46 decks
14%synergy
Encroaching Mycosynth
14%inclusion8 decks58 decks
13%synergy
Talisman of Unity
14%inclusion8 decks58 decks
7%synergy
Talisman of Progress
14%inclusion8 decks58 decks
-11%synergy
Swiftfoot Boots
14%inclusion8 decks58 decks
-13%synergy
Talisman of Impulse
12%inclusion7 decks58 decks
1%synergy
Commander's Sphere
12%inclusion7 decks58 decks
1%synergy
Skullclamp
12%inclusion7 decks58 decks
1%synergy
Talisman of Curiosity
12%inclusion7 decks58 decks
-0%synergy
Trading Post
10%inclusion6 decks58 decks
10%synergy
Sculpting Steel
10%inclusion6 decks58 decks
8%synergy
Cloud Key
10%inclusion6 decks58 decks
8%synergy
Unwinding Clock
10%inclusion6 decks58 decks
8%synergy
Simic Signet
10%inclusion6 decks58 decks
0%synergy
Izzet Signet
10%inclusion6 decks58 decks
-12%synergy
Talisman of Conviction
10%inclusion6 decks58 decks
-14%synergy
Talisman of Creativity
10%inclusion6 decks58 decks
-17%synergy
Mycosynth Wellspring
8.6%inclusion5 decks58 decks
8%synergy
Patriar's Seal
8.6%inclusion5 decks58 decks
7%synergy
Phyrexian Altar
8.6%inclusion5 decks58 decks
5%synergy
Mox Opal
8.6%inclusion5 decks58 decks
4%synergy
Selesnya Signet
8.6%inclusion5 decks58 decks
2%synergy
Boros Signet
8.6%inclusion5 decks58 decks
-10%synergy
Blasting Station
6.9%inclusion4 decks58 decks
6%synergy
The Enigma Jewel
6.9%inclusion4 decks58 decks
6%synergy
Magewright's Stone
6.9%inclusion4 decks58 decks
6%synergy
Basalt Monolith
6.9%inclusion4 decks58 decks
5%synergy
Gruul Signet
6.9%inclusion4 decks58 decks
-2%synergy
Azorius Signet
6.9%inclusion4 decks58 decks
-13%synergy
Esoteric Duplicator
5.2%inclusion3 decks58 decks
5%synergy
Genesis Chamber
5.2%inclusion3 decks58 decks
5%synergy
Mystic Forge
5.2%inclusion3 decks58 decks
2%synergy
Thought Vessel
5.2%inclusion3 decks58 decks
-12%synergy
Utility Lands
Seat of the Synod
45%inclusion26 decks58 decks
38%synergy
Ancient Den
41%inclusion24 decks58 decks
36%synergy
Tree of Tales
40%inclusion23 decks58 decks
37%synergy
Great Furnace
38%inclusion22 decks58 decks
32%synergy
Inventors' Fair
28%inclusion16 decks58 decks
24%synergy
Uthros, Titanic Godcore
24%inclusion8 decks33 decks
21%synergy
Academy Ruins
21%inclusion12 decks58 decks
15%synergy
Buried Ruin
19%inclusion11 decks58 decks
14%synergy
Darksteel Citadel
17%inclusion10 decks58 decks
14%synergy
Urza's Saga
16%inclusion9 decks58 decks
9%synergy
Otawara, Soaring City
14%inclusion8 decks58 decks
-2%synergy
Reliquary Tower
14%inclusion8 decks58 decks
-16%synergy
Boseiju, Who Endures
12%inclusion7 decks58 decks
-7%synergy
Adagia, Windswept Bastion
9.1%inclusion3 decks33 decks
6%synergy
Treasure Vault
5.2%inclusion3 decks58 decks
3%synergy
Eiganjo, Seat of the Empire
5.2%inclusion3 decks58 decks
-2%synergy
Temple of the False God
5.2%inclusion3 decks58 decks
-4%synergy
Mana Artifacts
Sol Ring
83%inclusion48 decks58 decks
-1%synergy
Arcane Signet
78%inclusion45 decks58 decks
6%synergy
Fellwar Stone
40%inclusion23 decks58 decks
19%synergy
Chromatic Lantern
34%inclusion20 decks58 decks
26%synergy
Liquimetal Torque
24%inclusion14 decks58 decks
22%synergy
Talisman of Unity
14%inclusion8 decks58 decks
7%synergy
Talisman of Progress
14%inclusion8 decks58 decks
-11%synergy
Talisman of Impulse
12%inclusion7 decks58 decks
1%synergy
Commander's Sphere
12%inclusion7 decks58 decks
1%synergy
Talisman of Curiosity
12%inclusion7 decks58 decks
-0%synergy
Simic Signet
10%inclusion6 decks58 decks
0%synergy
Izzet Signet
10%inclusion6 decks58 decks
-12%synergy
Talisman of Conviction
10%inclusion6 decks58 decks
-14%synergy
Talisman of Creativity
10%inclusion6 decks58 decks
-17%synergy
Patriar's Seal
8.6%inclusion5 decks58 decks
7%synergy
Mox Opal
8.6%inclusion5 decks58 decks
4%synergy
Selesnya Signet
8.6%inclusion5 decks58 decks
2%synergy
Boros Signet
8.6%inclusion5 decks58 decks
-10%synergy
Basalt Monolith
6.9%inclusion4 decks58 decks
5%synergy
Gruul Signet
6.9%inclusion4 decks58 decks
-2%synergy
Azorius Signet
6.9%inclusion4 decks58 decks
-13%synergy
Thought Vessel
5.2%inclusion3 decks58 decks
-12%synergy
Lands
Command Tower
95%inclusion55 decks58 decks
21%synergy
Exotic Orchard
66%inclusion38 decks58 decks
29%synergy
Ketria Triome
43%inclusion25 decks58 decks
14%synergy
Raugrin Triome
41%inclusion24 decks58 decks
18%synergy
Spara's Headquarters
41%inclusion24 decks58 decks
15%synergy
Spire of Industry
38%inclusion22 decks58 decks
35%synergy
Silverbluff Bridge
38%inclusion22 decks58 decks
32%synergy
Jetmir's Garden
38%inclusion22 decks58 decks
10%synergy
Sacred Foundry
38%inclusion22 decks58 decks
1%synergy
Razortide Bridge
36%inclusion21 decks58 decks
30%synergy
Temple Garden
36%inclusion21 decks58 decks
-4%synergy
Wooded Foothills
34%inclusion20 decks58 decks
24%synergy
Misty Rainforest
34%inclusion20 decks58 decks
23%synergy
Steam Vents
34%inclusion20 decks58 decks
-5%synergy
Stomping Ground
34%inclusion20 decks58 decks
-7%synergy
Breeding Pool
34%inclusion20 decks58 decks
-8%synergy
Tanglepool Bridge
33%inclusion19 decks58 decks
30%synergy
Flooded Strand
33%inclusion19 decks58 decks
21%synergy
Hallowed Fountain
33%inclusion19 decks58 decks
-8%synergy
Slagwoods Bridge
31%inclusion18 decks58 decks
29%synergy
Arid Mesa
31%inclusion18 decks58 decks
21%synergy
Scalding Tarn
31%inclusion18 decks58 decks
20%synergy
Windswept Heath
31%inclusion18 decks58 decks
20%synergy
Rustvale Bridge
29%inclusion17 decks58 decks
24%synergy
Mystic Monastery
29%inclusion17 decks58 decks
2%synergy
Shivan Reef
26%inclusion15 decks58 decks
-4%synergy
Path of Ancestry
24%inclusion14 decks58 decks
2%synergy
Jungle Shrine
24%inclusion14 decks58 decks
-6%synergy
Thornglint Bridge
22%inclusion13 decks58 decks
21%synergy
Seaside Citadel
22%inclusion13 decks58 decks
-4%synergy
Frontier Bivouac
22%inclusion13 decks58 decks
-6%synergy
Yavimaya Coast
21%inclusion12 decks58 decks
-6%synergy
Battlefield Forge
21%inclusion12 decks58 decks
-9%synergy
Rejuvenating Springs
19%inclusion11 decks58 decks
-7%synergy
Bountiful Promenade
17%inclusion10 decks58 decks
-4%synergy
Training Center
17%inclusion10 decks58 decks
-7%synergy
Adarkar Wastes
17%inclusion10 decks58 decks
-7%synergy
Terramorphic Expanse
16%inclusion9 decks58 decks
1%synergy
Evolving Wilds
16%inclusion9 decks58 decks
-5%synergy
Spectator Seating
16%inclusion9 decks58 decks
-7%synergy
Sea of Clouds
16%inclusion9 decks58 decks
-8%synergy
Hedge Maze
14%inclusion8 decks58 decks
3%synergy
Plateau
14%inclusion8 decks58 decks
2%synergy
Karplusan Forest
14%inclusion8 decks58 decks
-7%synergy
Spire Garden
14%inclusion8 decks58 decks
-8%synergy
Power Depot
12%inclusion7 decks58 decks
11%synergy
Sheltering Landscape
12%inclusion7 decks58 decks
6%synergy
Mana Confluence
12%inclusion7 decks58 decks
5%synergy
Volcanic Island
12%inclusion7 decks58 decks
-2%synergy
Tropical Island
12%inclusion7 decks58 decks
-2%synergy