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
20.34% of 295 decks 60 decks
Cecily, Haunted Mage // Othelm, Sigardian Outcast
0.05% of 2027 decks 1 decks
New Cards
Tannuk, Steadfast Second
33% of 3 decks +32% synergy
Terminal Velocity
25% of 4 decks +25% synergy
Balamb Garden, SeeD Academy
10% of 10 decks +8% synergy
Gongaga, Reactor Town
10% of 10 decks +7% synergy
Rabanastre, Royal City
10% of 10 decks +7% synergy
High Synergy Cards
Solemn Simulacrum
87% of 61 decks +74% synergy
Scrap Trawler
74% of 61 decks +72% synergy
Circuit Mender
70% of 61 decks +70% synergy
Foundry Inspector
69% of 61 decks +65% synergy
Thought Monitor
66% of 61 decks +62% synergy
Myr Retriever
64% of 61 decks +62% synergy
Filigree Familiar
62% of 61 decks +62% synergy
Enthusiastic Mechanaut
62% of 61 decks +58% synergy
Oswald Fiddlebender
59% of 61 decks +58% synergy
Meteor Golem
59% of 61 decks +57% synergy
Top Cards
Etherium Sculptor
59% of 61 decks +54% synergy
Ashnod's Altar
59% of 61 decks +52% synergy
Swords to Plowshares
57% of 61 decks -5% synergy
Emry, Lurker of the Loch
56% of 61 decks +52% synergy
Corridor Monitor
54% of 61 decks +54% synergy
Ioreth of the Healing House
54% of 61 decks +53% synergy
Myr Battlesphere
54% of 61 decks +52% synergy
Haywire Mite
54% of 61 decks +50% synergy
Path to Exile
52% of 61 decks +5% synergy
Combustible Gearhulk
48% of 61 decks +45% synergy
Game Changers
Enlightened Tutor
26% of 61 decks +10% synergy
Seedborn Muse
23% of 61 decks +15% synergy
Smothering Tithe
20% of 61 decks -3% synergy
Rhystic Study
20% of 61 decks -6% synergy
Aura Shards
13% of 61 decks +5% synergy
Worldly Tutor
13% of 61 decks +0% synergy
Jeska's Will
10% of 61 decks -6% synergy
Urza, Lord High Artificer
7% of 61 decks +3% synergy
Drannith Magistrate
7% of 61 decks +1% synergy
Ancient Tomb
7% of 61 decks -3% synergy
Creatures
Reckless Fireweaver
48% of 61 decks +43% synergy
Ornithopter of Paradise
48% of 61 decks +43% synergy
Wurmcoil Engine
46% of 61 decks +44% synergy
Phyrexian Triniform
44% of 61 decks +44% synergy
Junk Diver
44% of 61 decks +44% synergy
Treasure Keeper
41% of 61 decks +41% synergy
Teshar, Ancestor's Apostle
41% of 61 decks +39% synergy
Angel of the Ruins
41% of 61 decks +38% synergy
Triplicate Titan
39% of 61 decks +39% synergy
Drumbellower
34% of 61 decks +32% synergy
Workshop Assistant
28% of 61 decks +27% synergy
Syr Ginger, the Meal Ender
28% of 61 decks +27% synergy
Goblin Engineer
28% of 61 decks +25% synergy
Breya's Apprentice
26% of 61 decks +26% synergy
Sai, Master Thopterist
26% of 61 decks +23% synergy
Birds of Paradise
26% of 61 decks -1% synergy
Scrap Welder
23% of 61 decks +23% synergy
Bronze Guardian
23% of 61 decks +21% synergy
Losheel, Clockwork Scholar
23% of 61 decks +20% synergy
Phyrexian Metamorph
23% of 61 decks +16% synergy
Meria, Scholar of Antiquity
21% of 61 decks +21% synergy
Unctus, Grand Metatect
21% of 61 decks +20% synergy
Lonis, Cryptozoologist
21% of 61 decks +20% synergy
Alibou, Ancient Witness
21% of 61 decks +19% synergy
Burnished Hart
21% of 61 decks +18% synergy
Faeburrow Elder
21% of 61 decks +10% synergy
Esper Sentinel
21% of 61 decks +2% synergy
Su-Chi Cave Guard
20% of 61 decks +20% synergy
Canoptek Tomb Sentinel
20% of 61 decks +19% synergy
Bloom Tender
20% of 61 decks +12% synergy
Kiora's Follower
18% of 61 decks +13% synergy
Canoptek Spyder
16% of 61 decks +16% synergy
Goblin Welder
16% of 61 decks +14% synergy
Kappa Cannoneer
16% of 61 decks +14% synergy
Molten Gatekeeper
16% of 37 decks +13% synergy
Threefold Thunderhulk
16% of 56 decks +15% synergy
Duplicant
15% of 61 decks +14% synergy
Shimmer Myr
15% of 61 decks +13% synergy
Riptide Gearhulk
14% of 22 decks +11% synergy
Clone Shell
13% of 61 decks +13% synergy
Agatha of the Vile Cauldron
13% of 61 decks +12% synergy
Master Transmuter
13% of 61 decks +12% synergy
Trophy Mage
13% of 61 decks +11% synergy
Noble Hierarch
13% of 61 decks -3% synergy
Market Gnome
12% of 56 decks +12% synergy
Ancient Stone Idol
11% of 61 decks +11% synergy
Palladium Myr
11% of 61 decks +10% synergy
Iron Myr
11% of 61 decks +9% synergy
Gleaming Geardrake
11% of 53 decks +11% synergy
Nick Valentine, Private Eye
10% of 48 decks +10% synergy
Instants
Counterspell
44% of 61 decks +2% synergy
Generous Gift
34% of 61 decks +11% synergy
Dispatch
33% of 61 decks +28% synergy
Beast Within
31% of 61 decks -5% synergy
Heroic Intervention
23% of 61 decks -7% synergy
Dovin's Veto
21% of 61 decks +3% synergy
Negate
20% of 61 decks -2% synergy
An Offer You Can't Refuse
20% of 61 decks -3% synergy
Dramatic Reversal
15% of 61 decks +10% synergy
Swan Song
13% of 61 decks -4% synergy
Chaos Warp
13% of 61 decks -18% synergy
Fierce Guardianship
11% of 61 decks -7% synergy
Boros Charm
11% of 61 decks -12% synergy
Stroke of Midnight
10% of 61 decks -1% synergy
Teferi's Protection
10% of 61 decks -8% synergy
Arcane Denial
10% of 61 decks -11% synergy
Cyclonic Rift
10% of 61 decks -15% synergy
Whir of Invention
8% of 61 decks +5% synergy
Mana Drain
8% of 61 decks -7% synergy
Broken Wings
7% of 61 decks +6% synergy
Thirst for Knowledge
7% of 61 decks +5% synergy
Dispel
7% of 61 decks +2% synergy
Muddle the Mixture
7% of 61 decks +2% synergy
Nature's Claim
7% of 61 decks -1% synergy
Eladamri's Call
7% of 61 decks -3% synergy
Flawless Maneuver
7% of 61 decks -4% synergy
Deflecting Swat
7% of 61 decks -10% synergy
Sorceries
Farseek
43% of 61 decks +8% synergy
Wake the Past
39% of 61 decks +36% synergy
Cultivate
36% of 61 decks -8% synergy
Thoughtcast
28% of 61 decks +25% synergy
Organic Extinction
26% of 61 decks +24% synergy
Fabricate
26% of 61 decks +21% synergy
Blasphemous Act
26% of 61 decks -7% synergy
Kodama's Reach
23% of 61 decks -6% synergy
Rampant Growth
20% of 61 decks -15% synergy
Idyllic Tutor
18% of 61 decks +14% synergy
Dance of the Manse
16% of 61 decks +13% synergy
Supreme Verdict
16% of 61 decks +3% synergy
Sevinne's Reclamation
15% of 61 decks +7% synergy
Nature's Lore
13% of 61 decks -18% synergy
Neoform
11% of 61 decks +7% synergy
Austere Command
11% of 61 decks -1% synergy
Reach the Horizon
10% of 10 decks +8% synergy
Three Visits
8% of 61 decks -16% synergy
Finale of Devastation
7% of 61 decks -1% synergy
Faithless Looting
7% of 61 decks -10% synergy
Utility Artifacts
Ichor Wellspring
36% of 61 decks +35% synergy
Thousand-Year Elixir
36% of 61 decks +34% synergy
Thopter Shop
28% of 61 decks +27% synergy
Lightning Greaves
26% of 61 decks +1% synergy
Encroaching Mycosynth
25% of 61 decks +24% synergy
Basilisk Collar
25% of 61 decks +21% synergy
Swiftfoot Boots
23% of 61 decks -4% synergy
Trading Post
18% of 61 decks +17% synergy
Birthing Pod
18% of 61 decks +16% synergy
Panharmonicon
18% of 61 decks +14% synergy
Mycosynth Wellspring
15% of 61 decks +14% synergy
Krark-Clan Ironworks
15% of 61 decks +14% synergy
Thornbite Staff
13% of 61 decks +12% synergy
Unwinding Clock
13% of 61 decks +11% synergy
Sculpting Steel
11% of 61 decks +9% synergy
Magewright's Stone
10% of 61 decks +9% synergy
Skullclamp
10% of 61 decks -2% synergy
Lux Artillery
8% of 61 decks +8% synergy
Simulacrum Synthesizer
7% of 43 decks +5% synergy
The Enigma Jewel
7% of 58 decks +6% synergy
Blasting Station
7% of 61 decks +6% synergy
Norn's Wellspring
7% of 61 decks +6% synergy
Mystic Forge
7% of 61 decks +4% synergy
Detective's Satchel
6% of 51 decks +6% synergy
Unstable Glyphbridge
5% of 56 decks +5% synergy
Enchantments
Impact Tremors
41% of 61 decks +31% synergy
Thopter Spy Network
26% of 61 decks +23% synergy
Goblin Bombardment
23% of 61 decks +17% synergy
Mirrodin Besieged
15% of 61 decks +13% synergy
Sylvan Library
11% of 61 decks +2% synergy
Mystic Remora
11% of 61 decks -5% synergy
Ulvenwald Mysteries
10% of 61 decks +9% synergy
Virtue of Knowledge
10% of 61 decks +8% synergy
Sneak Attack
10% of 61 decks +8% synergy
Freed from the Real
8% of 61 decks +6% synergy
Training Grounds
8% of 61 decks +5% synergy
Storm the Vault
7% of 61 decks +4% synergy
Sterling Grove
7% of 61 decks -0% synergy
Guardian Project
7% of 61 decks -2% synergy
Planeswalkers
Daretti, Scrap Savant
33% of 61 decks +31% synergy
Teferi, Who Slows the Sunset
7% of 61 decks +5% synergy
Utility Lands
Ancient Den
36% of 61 decks +31% synergy
Seat of the Synod
36% of 61 decks +30% synergy
Tree of Tales
34% of 61 decks +32% synergy
Great Furnace
31% of 61 decks +26% synergy
Darksteel Citadel
21% of 61 decks +18% synergy
Buried Ruin
20% of 61 decks +15% synergy
Reliquary Tower
18% of 61 decks -12% synergy
Academy Ruins
15% of 61 decks +10% synergy
Inventors' Fair
13% of 61 decks +9% synergy
Urza's Saga
10% of 61 decks +3% synergy
Treasure Vault
7% of 61 decks +4% synergy
Mana Artifacts
Sol Ring
89% of 61 decks +4% synergy
Arcane Signet
85% of 61 decks +13% synergy
Fellwar Stone
49% of 61 decks +28% synergy
Chromatic Lantern
33% of 61 decks +24% synergy
Liquimetal Torque
25% of 61 decks +22% synergy
Commander's Sphere
20% of 61 decks +6% synergy
Izzet Signet
20% of 61 decks -7% synergy
Talisman of Progress
18% of 61 decks -7% synergy
Talisman of Unity
15% of 61 decks +7% synergy
Simic Signet
15% of 61 decks +2% synergy
Azorius Signet
15% of 61 decks -9% synergy
Selesnya Signet
13% of 61 decks +5% synergy
Talisman of Curiosity
13% of 61 decks +0% synergy
Talisman of Conviction
13% of 61 decks -11% synergy
Gruul Signet
11% of 61 decks +1% synergy
Talisman of Creativity
11% of 61 decks -17% synergy
Talisman of Impulse
10% of 61 decks -0% synergy
Boros Signet
10% of 61 decks -12% synergy
Slagstone Refinery
8% of 61 decks +8% synergy
Basalt Monolith
7% of 61 decks +4% synergy
Mox Amber
7% of 61 decks +2% synergy
Lands
Command Tower
93% of 61 decks +19% synergy
Exotic Orchard
70% of 61 decks +34% synergy
Razortide Bridge
38% of 61 decks +31% synergy
Spire of Industry
36% of 61 decks +33% synergy
Tanglepool Bridge
33% of 61 decks +30% synergy
Silverbluff Bridge
33% of 61 decks +27% synergy
Mystic Monastery
31% of 61 decks +3% synergy
Slagwoods Bridge
30% of 61 decks +27% synergy
Rustvale Bridge
30% of 61 decks +24% synergy
Jetmir's Garden
30% of 61 decks -1% synergy
Jungle Shrine
30% of 61 decks -3% synergy
Evolving Wilds
28% of 61 decks +7% synergy
Raugrin Triome
28% of 61 decks +3% synergy
Seaside Citadel
28% of 61 decks +1% synergy
Spara's Headquarters
28% of 61 decks -1% synergy
Shivan Reef
26% of 61 decks -2% synergy
Frontier Bivouac
26% of 61 decks -3% synergy
Ketria Triome
26% of 61 decks -5% synergy
Steam Vents
26% of 61 decks -12% synergy
Hallowed Fountain
26% of 61 decks -14% synergy
Thornglint Bridge
25% of 61 decks +23% synergy
Yavimaya Coast
25% of 61 decks -3% synergy
Temple Garden
25% of 61 decks -14% synergy
Stomping Ground
25% of 61 decks -15% synergy
Breeding Pool
25% of 61 decks -16% synergy
Sacred Foundry
23% of 61 decks -12% synergy
Terramorphic Expanse
21% of 61 decks +6% synergy
Path of Ancestry
21% of 61 decks -1% synergy
Battlefield Forge
21% of 61 decks -6% synergy
Arid Mesa
20% of 61 decks +9% synergy
Wooded Foothills
20% of 61 decks +9% synergy
Scalding Tarn
20% of 61 decks +9% synergy
Flooded Strand
20% of 61 decks +9% synergy
Misty Rainforest
20% of 61 decks +8% synergy
Sea of Clouds
20% of 61 decks -6% synergy
Rejuvenating Springs
20% of 61 decks -8% synergy
Windswept Heath
18% of 61 decks +7% synergy
Prairie Stream
18% of 61 decks -16% synergy
Bountiful Promenade
16% of 61 decks -7% synergy
Training Center
16% of 61 decks -10% synergy
Cinder Glade
16% of 61 decks -22% synergy
City of Brass
15% of 61 decks +7% synergy
Brushland
15% of 61 decks -3% synergy
Karplusan Forest
15% of 61 decks -4% synergy
Adarkar Wastes
15% of 61 decks -7% synergy
Canopy Vista
15% of 61 decks -22% synergy
Hedge Maze
14% of 51 decks +3% synergy
Sheltering Landscape
14% of 37 decks +6% synergy
Tranquil Landscape
14% of 37 decks +5% synergy
Bountiful Landscape
14% of 37 decks +3% synergy