Sword of Feast and Famine + Sword of Hearth and Home + Ardent Elementalist + Relentless Assault

Sword of Feast and Famine
Sword of Hearth and Home
Ardent Elementalist
Relentless Assault

Requires
Sword of Feast and Famine must be on the battlefield. Sword of Hearth and Home must be on the battlefield. Ardent Elementalist must be on the battlefield. Relentless Assault must be in the graveyard. Sword of Hearth and Home and Sword of Feast and Famine attached to any other creature without summoning sickness. Lands you control can tap to produce at least 2. An opponent is unable to block and kill the creature with the Swords attached.
Steps
  1. Deal combat damage to an opponent using the creature with Sword of Hearth and Home attached.
  2. Sword of Hearth and Home and Sword of Feast and Famine trigger.
  3. Resolve the Sword of Hearth and Home trigger, blinking Ardent Elementalist and causing you to search your library for a basic land card and put it onto the battlefield.
  4. Ardent Elementalist enters the battlefield, returning Relentless Assault from your graveyard to your hand.
  5. Resolve the Sword of Feast and Famine trigger, causing you to untap all lands you control, and causing the defending player to discard a card.
  6. Move to your postcombat main phase.
  7. Activate any number of lands you control by tapping them, adding at least 2.
  8. Cast Relentless Assault by paying 2, causing you to untap all creatures that attacked this turn and to get an additional combat and main phase after this one.
  9. Repeat.
Results
Infinite combat damage. Infinite combat phases. Infinite ETB. Infinite LTB. Infinite magecraft triggers. Infinite storm count. Infinite untap of lands you control. Near-infinite landfall triggers. Put all basic lands from your library onto the battlefield. Infinite mana lands you control can produce.

Aisha of Sparks and Smoke
0.24% of 1247 decks 3 decks
Immard, the Stormcleaver
0.17% of 1148 decks 2 decks
Etali, Primal Storm
0.16% of 1875 decks 3 decks
High Synergy Cards
Aggravated Assault
73% of 15 decks +70% synergy
Thrilling Discovery
71% of 7 decks +69% synergy
Aurelia, the Warleader
71% of 7 decks +64% synergy
Seize the Day
60% of 15 decks +58% synergy
Response // Resurgence
57% of 7 decks +55% synergy
Steelshaper's Gift
57% of 7 decks +55% synergy
Jeska's Will
67% of 15 decks +49% synergy
Eiganjo, Seat of the Empire
57% of 7 decks +48% synergy
Savage Beating
47% of 15 decks +46% synergy
Helm of the Host
47% of 15 decks +43% synergy
Top Cards
Chaos Warp
67% of 15 decks +34% synergy
Lightning Greaves
60% of 15 decks +35% synergy
Boros Charm
57% of 7 decks +32% synergy
Smothering Tithe
57% of 7 decks +32% synergy
Generous Gift
57% of 7 decks +31% synergy
Swords to Plowshares
57% of 7 decks -5% synergy
Helm of the Host
47% of 15 decks +43% synergy
Whispersilk Cloak
47% of 15 decks +43% synergy
Sword of the Animist
47% of 15 decks +42% synergy
Deflecting Swat
47% of 15 decks +31% synergy
Creatures
Esper Sentinel
43% of 7 decks +22% synergy
Combat Celebrant
40% of 15 decks +37% synergy
Kiki-Jiki, Mirror Breaker
40% of 15 decks +36% synergy
Dockside Extortionist
40% of 15 decks +26% synergy
Port Razer
33% of 15 decks +31% synergy
Moraug, Fury of Akoum
33% of 15 decks +30% synergy
Karlach, Fury of Avernus
33% of 15 decks +30% synergy
Rionya, Fire Dancer
27% of 15 decks +26% synergy
Scourge of the Throne
27% of 15 decks +25% synergy
Neheb, the Eternal
27% of 15 decks +24% synergy
Urabrask the Hidden
27% of 15 decks +24% synergy
Anger
27% of 15 decks +21% synergy
Flametongue Kavu
20% of 15 decks +20% synergy
Mirage Phalanx
20% of 15 decks +19% synergy
Hellkite Charger
20% of 15 decks +18% synergy
Zealous Conscripts
20% of 15 decks +18% synergy
Delina, Wild Mage
20% of 15 decks +17% synergy
Kediss, Emberclaw Familiar
20% of 15 decks +17% synergy
Captain Lannery Storm
20% of 15 decks +17% synergy
Feldon of the Third Path
20% of 15 decks +17% synergy
Terror of the Peaks
20% of 15 decks +15% synergy
Goldspan Dragon
20% of 15 decks +14% synergy
Imperial Recruiter
20% of 15 decks +14% synergy
Ragavan, Nimble Pilferer
20% of 15 decks +12% synergy
Storm-Kiln Artist
20% of 15 decks +11% synergy
Solemn Simulacrum
20% of 15 decks +6% synergy
Instants
Akroma's Will
43% of 7 decks +33% synergy
Path to Exile
43% of 7 decks -2% synergy
Valakut Awakening
33% of 15 decks +27% synergy
Seething Song
27% of 15 decks +21% synergy
Desperate Ritual
20% of 15 decks +18% synergy
Bolt Bend
20% of 15 decks +16% synergy
Thrill of Possibility
20% of 15 decks +9% synergy
Sorceries
Blasphemous Act
47% of 15 decks +13% synergy
Waves of Aggression
43% of 7 decks +42% synergy
Secret Rendezvous
43% of 7 decks +40% synergy
Cut a Deal
43% of 7 decks +40% synergy
Rip Apart
43% of 7 decks +39% synergy
Open the Armory
43% of 7 decks +38% synergy
Vandalblast
40% of 15 decks +24% synergy
Surge to Victory
33% of 15 decks +33% synergy
World at War
33% of 15 decks +32% synergy
Faithless Looting
33% of 15 decks +16% synergy
Wheel of Fortune
27% of 15 decks +22% synergy
Mana Geyser
27% of 15 decks +20% synergy
Fury of the Horde
20% of 15 decks +19% synergy
Reforge the Soul
20% of 15 decks +18% synergy
Gamble
20% of 15 decks +10% synergy
Utility Artifacts
Swiftfoot Boots
47% of 15 decks +19% synergy
Sword of Fire and Ice
33% of 15 decks +32% synergy
Strionic Resonator
33% of 15 decks +30% synergy
Scroll Rack
27% of 15 decks +25% synergy
The Reaver Cleaver
27% of 15 decks +23% synergy
Sword of Light and Shadow
20% of 15 decks +19% synergy
Hammer of Purphoros
20% of 15 decks +19% synergy
Lithoform Engine
20% of 15 decks +18% synergy
Darksteel Plate
20% of 15 decks +18% synergy
Commander's Plate
20% of 15 decks +18% synergy
Ruby Medallion
20% of 15 decks +18% synergy
Embercleave
20% of 15 decks +17% synergy
Sensei's Divining Top
20% of 15 decks +14% synergy
Enchantments
Land Tax
43% of 7 decks +36% synergy
Splinter Twin
20% of 15 decks +19% synergy
Determined Iteration
20% of 15 decks +19% synergy
Fable of the Mirror-Breaker
20% of 15 decks +18% synergy
Planeswalkers
Koth, Fire of Resistance
25% of 12 decks +24% synergy
Utility Lands
Rogue's Passage
60% of 15 decks +41% synergy
Ancient Tomb
53% of 15 decks +43% synergy
War Room
47% of 15 decks +40% synergy
Flamekin Village
40% of 15 decks +39% synergy
Hall of the Bandit Lord
33% of 15 decks +33% synergy
Hanweir Battlements
33% of 15 decks +32% synergy
Bonders' Enclave
33% of 15 decks +31% synergy
Valakut, the Molten Pinnacle
27% of 15 decks +24% synergy
Command Beacon
27% of 15 decks +22% synergy
Sokenzan, Crucible of Defiance
27% of 15 decks +22% synergy
Nykthos, Shrine to Nyx
27% of 15 decks +21% synergy
Urza's Saga
27% of 15 decks +19% synergy
The Autonomous Furnace
25% of 12 decks +24% synergy
Shinka, the Bloodsoaked Keep
20% of 15 decks +18% synergy
Scavenger Grounds
20% of 15 decks +17% synergy
Castle Embereth
20% of 15 decks +16% synergy
Spinerock Knoll
20% of 15 decks +16% synergy
Forgotten Cave
20% of 15 decks +15% synergy
Temple of the False God
20% of 15 decks +10% synergy
Mana Artifacts
Sol Ring
67% of 15 decks -18% synergy
Talisman of Conviction
57% of 7 decks +35% synergy
Arcane Signet
53% of 15 decks -18% synergy
Mana Crypt
27% of 15 decks +17% synergy
Mind Stone
27% of 15 decks +9% synergy
Jeweled Lotus
20% of 15 decks +13% synergy
Lands
Battlefield Forge
86% of 7 decks +60% synergy
Spectator Seating
57% of 7 decks +32% synergy
Sacred Foundry
57% of 7 decks +21% synergy
Command Tower
53% of 15 decks -20% synergy
Inspiring Vantage
43% of 7 decks +39% synergy
Sundown Pass
43% of 7 decks +27% synergy
Clifftop Retreat
43% of 7 decks +15% synergy
Arid Mesa
40% of 15 decks +29% synergy
Myriad Landscape
40% of 15 decks +20% synergy
Cavern of Souls
33% of 15 decks +27% synergy
City of Brass
33% of 15 decks +25% synergy
Exotic Orchard
33% of 15 decks -2% synergy
Plaza of Heroes
20% of 15 decks +17% synergy
Mana Confluence
20% of 15 decks +13% synergy
Bloodstained Mire
20% of 15 decks +10% synergy
Scalding Tarn
20% of 15 decks +9% synergy