Othelm, Sigardian Outcast + Ashnod's Altar + Dross Scorpion + Encroaching Mycosynth

Othelm, Sigardian Outcast
Ashnod's Altar
Dross Scorpion
Encroaching Mycosynth

Requires
Othelm, Sigardian Outcast must be on the battlefield. Ashnod's Altar must be on the battlefield. Dross Scorpion must be on the battlefield. Encroaching Mycosynth must be on the battlefield. Othelm does not have summoning sickness.
Steps
  1. Activate Ashnod's Altar by sacrificing Dross Scorpion, adding .
  2. When Dross Scorpion dies, it triggers, untapping Othelm.
  3. Activate Othelm by paying 2 and tapping it, returning Dross Scorpion from your graveyard to the battlefield.
  4. Repeat.
Results
Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Bjorna, Nightfall Alchemist // Othelm, Sigardian Outcast
0.73% of 275 decks 2 decks
Creatures
Biblioplex Assistant
100% of 2 decks +100% synergy
Unctus, Grand Metatect
100% of 2 decks +100% synergy
Circuit Mender
100% of 2 decks +100% synergy
Myr Retriever
100% of 2 decks +100% synergy
Haywire Mite
100% of 2 decks +99% synergy
Thought Monitor
100% of 2 decks +99% synergy
Ornithopter of Paradise
100% of 2 decks +98% synergy
Solemn Simulacrum
100% of 2 decks +96% synergy
Su-Chi
50% of 2 decks +50% synergy
Mirran Spy
50% of 2 decks +50% synergy
Voltaic Construct
50% of 2 decks +50% synergy
Filigree Sages
50% of 2 decks +50% synergy
Arcanist's Owl
50% of 2 decks +50% synergy
Chrome Courier
50% of 2 decks +50% synergy
Metalworker
50% of 2 decks +50% synergy
Campus Guide
50% of 2 decks +50% synergy
Su-Chi Cave Guard
50% of 2 decks +50% synergy
Canoptek Spyder
50% of 2 decks +50% synergy
Plague Myr
50% of 2 decks +50% synergy
Torrential Gearhulk
50% of 2 decks +50% synergy
Copper Myr
50% of 2 decks +50% synergy
Palladium Myr
50% of 2 decks +50% synergy
Iron Myr
50% of 2 decks +50% synergy
Gold Myr
50% of 2 decks +50% synergy
Silver Myr
50% of 2 decks +50% synergy
Junk Diver
50% of 2 decks +50% synergy
Urza, Lord Protector
50% of 2 decks +50% synergy
Cathodion
50% of 2 decks +50% synergy
Goblin Welder
50% of 2 decks +50% synergy
Wurmcoil Engine
50% of 2 decks +50% synergy
Combustible Gearhulk
50% of 2 decks +50% synergy
Oswald Fiddlebender
50% of 2 decks +50% synergy
Goblin Engineer
50% of 2 decks +50% synergy
Enthusiastic Mechanaut
50% of 2 decks +50% synergy
Meteor Golem
50% of 2 decks +50% synergy
Emry, Lurker of the Loch
50% of 2 decks +50% synergy
Foundry Inspector
50% of 2 decks +50% synergy
Etherium Sculptor
50% of 2 decks +49% synergy
Drumbellower
50% of 2 decks +49% synergy
Corridor Monitor
50% of 2 decks +49% synergy
Urza, Lord High Artificer
50% of 2 decks +49% synergy
Brago, King Eternal
50% of 2 decks +49% synergy
Reckless Fireweaver
50% of 2 decks +49% synergy
Burnished Hart
50% of 2 decks +49% synergy
Ioreth of the Healing House
50% of 2 decks +47% synergy
Jhoira, Weatherlight Captain
50% of 2 decks +46% synergy
Seedborn Muse
50% of 2 decks +40% synergy
Gandalf the White
50% of 2 decks +40% synergy
Esper Sentinel
50% of 2 decks +31% synergy
Instants
Counterspell
100% of 2 decks +77% synergy
Heroic Intervention
100% of 2 decks +72% synergy
Dispatch
50% of 2 decks +49% synergy
Dramatic Reversal
50% of 2 decks +49% synergy
Muddle the Mixture
50% of 2 decks +46% synergy
Ghostly Flicker
50% of 2 decks +45% synergy
Nature's Claim
50% of 2 decks +45% synergy
Flawless Maneuver
50% of 2 decks +45% synergy
Ephemerate
50% of 2 decks +45% synergy
Brainstorm
50% of 2 decks +42% synergy
Negate
50% of 2 decks +41% synergy
Mana Drain
50% of 2 decks +40% synergy
Chaos Warp
50% of 2 decks +37% synergy
Generous Gift
50% of 2 decks +34% synergy
Teferi's Protection
50% of 2 decks +33% synergy
Boros Charm
50% of 2 decks +30% synergy
Path to Exile
50% of 2 decks +9% synergy
Swords to Plowshares
50% of 2 decks -8% synergy
Sorceries
Soulscour
50% of 2 decks +50% synergy
Saheeli's Directive
50% of 2 decks +50% synergy
Trash for Treasure
50% of 2 decks +50% synergy
Scrap Mastery
50% of 2 decks +50% synergy
Wake the Past
50% of 2 decks +50% synergy
Organic Extinction
50% of 2 decks +50% synergy
Fabricate
50% of 2 decks +49% synergy
Vandalblast
50% of 2 decks +47% synergy
Idyllic Tutor
50% of 2 decks +46% synergy
Blasphemous Act
50% of 2 decks +35% synergy
Cultivate
50% of 2 decks +4% synergy
Utility Artifacts
Panharmonicon
100% of 2 decks +98% synergy
Nim Deathmantle
50% of 2 decks +50% synergy
Liquimetal Coating
50% of 2 decks +50% synergy
Heartstone
50% of 2 decks +50% synergy
Battlemage's Bracers
50% of 2 decks +50% synergy
Darksteel Forge
50% of 2 decks +50% synergy
Umbral Mantle
50% of 2 decks +50% synergy
Krark-Clan Ironworks
50% of 2 decks +50% synergy
Unwinding Clock
50% of 2 decks +50% synergy
Thousand-Year Elixir
50% of 2 decks +50% synergy
Phyrexian Altar
50% of 2 decks +50% synergy
Lithoform Engine
50% of 2 decks +49% synergy
Isochron Scepter
50% of 2 decks +49% synergy
Birthing Pod
50% of 2 decks +48% synergy
Amulet of Vigor
50% of 2 decks +45% synergy
Swiftfoot Boots
50% of 2 decks +37% synergy
Lightning Greaves
50% of 2 decks +36% synergy
Enchantments
Viridian Revel
50% of 2 decks +50% synergy
Intruder Alarm
50% of 2 decks +49% synergy
Guardian Project
50% of 2 decks +47% synergy
Training Grounds
50% of 2 decks +46% synergy
Planeswalkers
Daretti, Scrap Savant
50% of 2 decks +50% synergy
Utility Lands
Inventors' Fair
100% of 2 decks +99% synergy
Monumental Henge
100% of 1 decks +98% synergy
Miren, the Moaning Well
50% of 2 decks +50% synergy
High Market
50% of 2 decks +50% synergy
Treasure Vault
50% of 2 decks +49% synergy
Darksteel Citadel
50% of 2 decks +49% synergy
Guildless Commons
50% of 2 decks +49% synergy
Tree of Tales
50% of 2 decks +49% synergy
Great Furnace
50% of 2 decks +49% synergy
Ancient Den
50% of 2 decks +49% synergy
Seat of the Synod
50% of 2 decks +49% synergy
Temple of the False God
50% of 2 decks +45% synergy
Mana Artifacts
Arcane Signet
100% of 2 decks +34% synergy
Sol Ring
100% of 2 decks +27% synergy
The Mightstone and Weakstone
50% of 2 decks +50% synergy
Liquimetal Torque
50% of 2 decks +50% synergy
Thran Dynamo
50% of 2 decks +49% synergy
Fellwar Stone
50% of 2 decks +30% synergy
Chromatic Lantern
50% of 2 decks +15% synergy
Lands
Command Tower
100% of 2 decks +10% synergy
Bloodstained Mire
50% of 2 decks +39% synergy
Plateau
50% of 2 decks +37% synergy
Boros Garrison
50% of 2 decks +37% synergy
Azorius Chancery
50% of 2 decks +36% synergy
Marsh Flats
50% of 2 decks +36% synergy
Izzet Boilerworks
50% of 2 decks +36% synergy
Volcanic Island
50% of 2 decks +35% synergy
Tundra
50% of 2 decks +35% synergy
Polluted Delta
50% of 2 decks +35% synergy
Taiga
50% of 2 decks +35% synergy
Savannah
50% of 2 decks +35% synergy
Tropical Island
50% of 2 decks +34% synergy
Verdant Catacombs
50% of 2 decks +33% synergy
Gruul Turf
50% of 2 decks +31% synergy
Raugrin Triome
50% of 2 decks +18% synergy
Jetmir's Garden
50% of 2 decks +15% synergy
Sacred Foundry
50% of 2 decks +14% synergy
Flooded Strand
50% of 2 decks +14% synergy
Wooded Foothills
50% of 2 decks +14% synergy
Spara's Headquarters
50% of 2 decks +13% synergy
Ketria Triome
50% of 2 decks +13% synergy
Scalding Tarn
50% of 2 decks +13% synergy
Arid Mesa
50% of 2 decks +11% synergy
Steam Vents
50% of 2 decks +11% synergy
Windswept Heath
50% of 2 decks +11% synergy
Misty Rainforest
50% of 2 decks +10% synergy
Stomping Ground
50% of 2 decks +7% synergy
Hallowed Fountain
50% of 2 decks +6% synergy
Temple Garden
50% of 2 decks +5% synergy
Breeding Pool
50% of 2 decks +5% synergy
Exotic Orchard
50% of 2 decks -11% synergy