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
19%inclusion60 decks317 decks
Cecily, Haunted Mage // Othelm, Sigardian Outcast
0.0%inclusion1 decks2.22K decks
New Cards
Bender's Waterskin
7.1%inclusion1 decks14 decks
5%synergy
High Synergy Cards
Scrap Trawler
77%inclusion47 decks61 decks
75%synergy
Solemn Simulacrum
87%inclusion53 decks61 decks
74%synergy
Thought Monitor
72%inclusion44 decks61 decks
69%synergy
Circuit Mender
69%inclusion42 decks61 decks
68%synergy
Foundry Inspector
69%inclusion42 decks61 decks
65%synergy
Meteor Golem
66%inclusion40 decks61 decks
64%synergy
Filigree Familiar
64%inclusion39 decks61 decks
64%synergy
Myr Retriever
64%inclusion39 decks61 decks
62%synergy
Oswald Fiddlebender
62%inclusion38 decks61 decks
61%synergy
Corridor Monitor
61%inclusion37 decks61 decks
60%synergy
Top Cards
Ashnod's Altar
66%inclusion40 decks61 decks
59%synergy
Etherium Sculptor
62%inclusion38 decks61 decks
57%synergy
Haywire Mite
61%inclusion37 decks61 decks
57%synergy
Emry, Lurker of the Loch
61%inclusion37 decks61 decks
56%synergy
Enthusiastic Mechanaut
61%inclusion37 decks61 decks
56%synergy
Swords to Plowshares
61%inclusion37 decks61 decks
-1%synergy
Ioreth of the Healing House
59%inclusion36 decks61 decks
58%synergy
Myr Battlesphere
57%inclusion35 decks61 decks
56%synergy
Path to Exile
52%inclusion32 decks61 decks
5%synergy
Combustible Gearhulk
51%inclusion31 decks61 decks
48%synergy
Game Changers
Enlightened Tutor
28%inclusion17 decks61 decks
12%synergy
Seedborn Muse
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18%synergy
Smothering Tithe
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-2%synergy
Aura Shards
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7%synergy
Fierce Guardianship
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-3%synergy
Rhystic Study
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-11%synergy
Worldly Tutor
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-1%synergy
Cyclonic Rift
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-12%synergy
Jeska's Will
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-6%synergy
Teferi's Protection
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-7%synergy
Creatures
Reckless Fireweaver
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47%synergy
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51%inclusion31 decks61 decks
46%synergy
Phyrexian Triniform
48%inclusion29 decks61 decks
47%synergy
Wurmcoil Engine
46%inclusion28 decks61 decks
44%synergy
Treasure Keeper
43%inclusion26 decks61 decks
42%synergy
Junk Diver
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42%synergy
Triplicate Titan
41%inclusion25 decks61 decks
40%synergy
Angel of the Ruins
41%inclusion25 decks61 decks
38%synergy
Teshar, Ancestor's Apostle
34%inclusion21 decks61 decks
33%synergy
Goblin Engineer
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28%synergy
Sai, Master Thopterist
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26%synergy
Canoptek Tomb Sentinel
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28%synergy
Birds of Paradise
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0%synergy
Tannuk, Steadfast Second
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26%synergy
Workshop Assistant
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26%synergy
Drumbellower
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24%synergy
Bloom Tender
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19%synergy
Kiora's Follower
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20%synergy
Faeburrow Elder
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13%synergy
Esper Sentinel
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6%synergy
Breya's Apprentice
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22%synergy
Syr Ginger, the Meal Ender
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22%synergy
Losheel, Clockwork Scholar
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20%synergy
Kappa Cannoneer
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20%synergy
Su-Chi Cave Guard
21%inclusion13 decks61 decks
21%synergy
Scrap Welder
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19%synergy
Meria, Scholar of Antiquity
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19%synergy
Unctus, Grand Metatect
20%inclusion12 decks61 decks
19%synergy
Bronze Guardian
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18%synergy
Burnished Hart
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17%synergy
Phyrexian Metamorph
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12%synergy
Riptide Gearhulk
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16%synergy
Canoptek Spyder
18%inclusion11 decks61 decks
17%synergy
Goblin Welder
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16%synergy
Threefold Thunderhulk
16%inclusion10 decks61 decks
15%synergy
Alibou, Ancient Witness
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14%synergy
Market Gnome
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14%synergy
Duplicant
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14%synergy
Agatha of the Vile Cauldron
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12%synergy
Master Transmuter
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12%synergy
Lonis, Cryptozoologist
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12%synergy
Jhoira, Weatherlight Captain
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Molten Gatekeeper
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10%synergy
Marvin, Murderous Mimic
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11%synergy
Pyrewood Gearhulk
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11%synergy
Noble Hierarch
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Clone Shell
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10%synergy
Gleaming Geardrake
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9%synergy
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8%synergy
Palladium Myr
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8%synergy
Instants
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-3%synergy
Dispatch
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-2%synergy
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Dovin's Veto
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-3%synergy
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-1%synergy
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-14%synergy
Mana Drain
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-3%synergy
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-10%synergy
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-8%synergy
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Sorceries
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Thoughtcast
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Idyllic Tutor
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Neoform
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Trash for Treasure
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Finale of Devastation
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Utility Artifacts
Ichor Wellspring
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38%synergy
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Thopter Shop
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29%synergy
Encroaching Mycosynth
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Repurposing Bay
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Swiftfoot Boots
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Thornbite Staff
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16%synergy
Trading Post
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Unwinding Clock
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Mycosynth Wellspring
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Magewright's Stone
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Sculpting Steel
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Simulacrum Synthesizer
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Skullclamp
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Lux Artillery
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Blasting Station
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6%synergy
Phyrexian Altar
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Enchantments
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28%synergy
Thopter Spy Network
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20%synergy
Goblin Bombardment
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16%synergy
Weapons Manufacturing
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17%synergy
Mirrodin Besieged
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15%synergy
Training Grounds
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12%synergy
Guardian Project
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2%synergy
Mystic Remora
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Ulvenwald Mysteries
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8%synergy
Virtue of Knowledge
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Sylvan Library
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-1%synergy
Freed from the Real
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5%synergy
Sneak Attack
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4%synergy
Sterling Grove
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0%synergy
Planeswalkers
Daretti, Scrap Savant
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31%synergy
Utility Lands
Ancient Den
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34%synergy
Seat of the Synod
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33%synergy
Tree of Tales
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34%synergy
Great Furnace
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27%synergy
Inventors' Fair
23%inclusion14 decks61 decks
19%synergy
Academy Ruins
23%inclusion14 decks61 decks
18%synergy
Darksteel Citadel
21%inclusion13 decks61 decks
18%synergy
Buried Ruin
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15%synergy
Uthros, Titanic Godcore
19%inclusion3 decks16 decks
15%synergy
Urza's Saga
13%inclusion8 decks61 decks
6%synergy
Reliquary Tower
13%inclusion8 decks61 decks
-17%synergy
Boseiju, Who Endures
8.2%inclusion5 decks61 decks
-11%synergy
Treasure Vault
6.6%inclusion4 decks61 decks
4%synergy
Otawara, Soaring City
6.6%inclusion4 decks61 decks
-10%synergy
Mana Artifacts
Sol Ring
89%inclusion54 decks61 decks
5%synergy
Arcane Signet
85%inclusion52 decks61 decks
13%synergy
Fellwar Stone
49%inclusion30 decks61 decks
29%synergy
Chromatic Lantern
38%inclusion23 decks61 decks
29%synergy
Liquimetal Torque
28%inclusion17 decks61 decks
25%synergy
Commander's Sphere
18%inclusion11 decks61 decks
6%synergy
Talisman of Progress
18%inclusion11 decks61 decks
-7%synergy
Talisman of Unity
15%inclusion9 decks61 decks
7%synergy
Talisman of Curiosity
13%inclusion8 decks61 decks
0%synergy
Talisman of Conviction
13%inclusion8 decks61 decks
-11%synergy
Izzet Signet
13%inclusion8 decks61 decks
-11%synergy
Talisman of Creativity
13%inclusion8 decks61 decks
-15%synergy
Talisman of Impulse
11%inclusion7 decks61 decks
1%synergy
Simic Signet
10%inclusion6 decks61 decks
-2%synergy
Patriar's Seal
8.2%inclusion5 decks61 decks
7%synergy
Mox Opal
8.2%inclusion5 decks61 decks
4%synergy
Mox Amber
8.2%inclusion5 decks61 decks
4%synergy
Selesnya Signet
8.2%inclusion5 decks61 decks
1%synergy
Gruul Signet
8.2%inclusion5 decks61 decks
-1%synergy
Azorius Signet
8.2%inclusion5 decks61 decks
-14%synergy
Slagstone Refinery
6.6%inclusion4 decks61 decks
6%synergy
Basalt Monolith
6.6%inclusion4 decks61 decks
4%synergy
Boros Signet
6.6%inclusion4 decks61 decks
-13%synergy
Lands
Command Tower
95%inclusion58 decks61 decks
21%synergy
Exotic Orchard
70%inclusion43 decks61 decks
34%synergy
Razortide Bridge
38%inclusion23 decks61 decks
31%synergy
Spire of Industry
36%inclusion22 decks61 decks
33%synergy
Silverbluff Bridge
36%inclusion22 decks61 decks
30%synergy
Spara's Headquarters
36%inclusion22 decks61 decks
8%synergy
Jetmir's Garden
36%inclusion22 decks61 decks
7%synergy
Ketria Triome
36%inclusion22 decks61 decks
5%synergy
Raugrin Triome
34%inclusion21 decks61 decks
10%synergy
Tanglepool Bridge
33%inclusion20 decks61 decks
30%synergy
Slagwoods Bridge
31%inclusion19 decks61 decks
29%synergy
Rustvale Bridge
31%inclusion19 decks61 decks
26%synergy
Mystic Monastery
31%inclusion19 decks61 decks
2%synergy
Jungle Shrine
30%inclusion18 decks61 decks
-2%synergy
Breeding Pool
30%inclusion18 decks61 decks
-12%synergy
Sacred Foundry
28%inclusion17 decks61 decks
-8%synergy
Steam Vents
28%inclusion17 decks61 decks
-10%synergy
Arid Mesa
26%inclusion16 decks61 decks
16%synergy
Wooded Foothills
26%inclusion16 decks61 decks
15%synergy
Misty Rainforest
26%inclusion16 decks61 decks
15%synergy
Seaside Citadel
26%inclusion16 decks61 decks
-1%synergy
Frontier Bivouac
26%inclusion16 decks61 decks
-2%synergy
Temple Garden
26%inclusion16 decks61 decks
-12%synergy
Hallowed Fountain
26%inclusion16 decks61 decks
-13%synergy
Stomping Ground
26%inclusion16 decks61 decks
-15%synergy
Scalding Tarn
25%inclusion15 decks61 decks
14%synergy
Flooded Strand
25%inclusion15 decks61 decks
13%synergy
Thornglint Bridge
23%inclusion14 decks61 decks
21%synergy
Windswept Heath
23%inclusion14 decks61 decks
12%synergy
Evolving Wilds
23%inclusion14 decks61 decks
2%synergy
Rejuvenating Springs
23%inclusion14 decks61 decks
-4%synergy
Battlefield Forge
21%inclusion13 decks61 decks
-7%synergy
Shivan Reef
21%inclusion13 decks61 decks
-8%synergy
Path of Ancestry
20%inclusion12 decks61 decks
-2%synergy
Yavimaya Coast
20%inclusion12 decks61 decks
-8%synergy
Terramorphic Expanse
18%inclusion11 decks61 decks
3%synergy
Bountiful Promenade
18%inclusion11 decks61 decks
-4%synergy
Sea of Clouds
18%inclusion11 decks61 decks
-7%synergy
Training Center
18%inclusion11 decks61 decks
-7%synergy
Spectator Seating
15%inclusion9 decks61 decks
-8%synergy
Adarkar Wastes
15%inclusion9 decks61 decks
-8%synergy
City of Brass
13%inclusion8 decks61 decks
6%synergy
Brushland
13%inclusion8 decks61 decks
-6%synergy
Karplusan Forest
13%inclusion8 decks61 decks
-7%synergy
Spire Garden
13%inclusion8 decks61 decks
-9%synergy
Canopy Vista
13%inclusion8 decks61 decks
-23%synergy
Cinder Glade
13%inclusion8 decks61 decks
-25%synergy
Mana Confluence
11%inclusion7 decks61 decks
5%synergy
Hedge Maze
11%inclusion7 decks61 decks
0%synergy
Plateau
11%inclusion7 decks61 decks
0%synergy