Aggravated Assault + Kormus Bell + Urborg, Tomb of Yawgmoth

Aggravated Assault
Kormus Bell
Urborg, Tomb of Yawgmoth

Requires
Aggravated Assault must be on the battlefield. Kormus Bell must be on the battlefield. Urborg, Tomb of Yawgmoth must be on the battlefield. Lands and creatures you control can tap to produce at least 4.
Steps
  1. Activate all mana producing lands and creatures you control by tapping them, adding at least 4.
  2. Activate Aggravated Assault by paying 3, untapping all creatures you control and getting an additional combat and main phase after this phase.
  3. Repeat.
Results
Infinite combat phases. Infinite mana creatures you control can produce. Infinite mana lands you control can produce.

Assassin's Trophy
62% of 8 decks +56% synergy
Elesh Norn, Grand Cenobite
59% of 17 decks +56% synergy
Farseek
69% of 13 decks +53% synergy
Top Cards
Heroic Intervention
54% of 13 decks +40% synergy
Rampant Growth
54% of 13 decks +38% synergy
Cultivate
54% of 13 decks +32% synergy
Swords to Plowshares
53% of 17 decks +24% synergy
Teferi's Protection
47% of 17 decks +38% synergy
Life and Limb
46% of 13 decks +46% synergy
Living Plane
38% of 13 decks +38% synergy
Crop Rotation
38% of 13 decks +34% synergy
Rhythm of the Wild
38% of 13 decks +33% synergy
Nature's Lore
38% of 13 decks +24% synergy
Creatures
Ignoble Hierarch
38% of 8 decks +35% synergy
Oracle of Mul Daya
31% of 13 decks +28% synergy
Azusa, Lost but Seeking
31% of 13 decks +27% synergy
Mirkwood Bats
27% of 11 decks +21% synergy
Dockside Extortionist
27% of 26 decks +19% synergy
Solemn Simulacrum
27% of 26 decks +13% synergy
Aurelia, the Warleader
24% of 17 decks +22% synergy
Avacyn, Angel of Hope
24% of 17 decks +22% synergy
Esper Sentinel
24% of 17 decks +14% synergy
Sylvan Advocate
23% of 13 decks +23% synergy
Cavern-Hoard Dragon
23% of 13 decks +21% synergy
Wayward Swordtooth
23% of 13 decks +21% synergy
Temur Sabertooth
23% of 13 decks +21% synergy
Dryad of the Ilysian Grove
23% of 13 decks +19% synergy
Seedborn Muse
23% of 13 decks +19% synergy
Eternal Witness
23% of 13 decks +13% synergy
Birds of Paradise
23% of 13 decks +11% synergy
Combat Celebrant
19% of 26 decks +18% synergy
Iroas, God of Victory
18% of 17 decks +17% synergy
Sheoldred, Whispering One
18% of 17 decks +15% synergy
Karlach, Fury of Avernus
16% of 25 decks +14% synergy
Port Razer
15% of 26 decks +14% synergy
Feldon of the Third Path
15% of 26 decks +14% synergy
Etali, Primal Storm
15% of 26 decks +11% synergy
Jaxis, the Troublemaker
12% of 25 decks +11% synergy
Akki Battle Squad
12% of 26 decks +11% synergy
Urabrask the Hidden
12% of 26 decks +10% synergy
Moraug, Fury of Akoum
12% of 26 decks +10% synergy
Instants
An Offer You Can't Refuse
60% of 5 decks +50% synergy
Vampiric Tutor
41% of 17 decks +32% synergy
Path to Exile
35% of 17 decks +15% synergy
Kamahl's Will
31% of 13 decks +30% synergy
Demand Answers
30% of 10 decks +26% synergy
Boros Charm
29% of 17 decks +24% synergy
Dark Ritual
29% of 17 decks +18% synergy
Deflecting Swat
27% of 26 decks +19% synergy
Unbreakable Formation
24% of 17 decks +20% synergy
Harrow
23% of 13 decks +18% synergy
Beast Within
23% of 13 decks +5% synergy
Culling the Weak
18% of 17 decks +16% synergy
Cabal Ritual
18% of 17 decks +15% synergy
Flawless Maneuver
18% of 17 decks +13% synergy
Akroma's Will
18% of 17 decks +13% synergy
Terminate
18% of 17 decks +13% synergy
Enlightened Tutor
18% of 17 decks +10% synergy
Seething Song
12% of 26 decks +9% synergy
Chaos Warp
12% of 26 decks -4% synergy
Sorceries
Demonic Tutor
59% of 17 decks +47% synergy
Three Visits
38% of 13 decks +27% synergy
Toxic Deluge
35% of 17 decks +27% synergy
Grim Tutor
24% of 17 decks +21% synergy
Reanimate
24% of 17 decks +16% synergy
Sylvan Awakening
23% of 13 decks +23% synergy
Sylvan Scrying
23% of 13 decks +22% synergy
Tempt with Discovery
23% of 13 decks +21% synergy
Splendid Reclamation
23% of 13 decks +21% synergy
Kodama's Reach
23% of 13 decks +8% synergy
Blasphemous Act
23% of 26 decks +7% synergy
Vandalblast
19% of 26 decks +11% synergy
Jeska's Will
19% of 26 decks +11% synergy
Imperial Seal
18% of 17 decks +15% synergy
Read the Bones
18% of 17 decks +13% synergy
Twinflame
15% of 26 decks +14% synergy
Wheel of Fortune
15% of 26 decks +13% synergy
Relentless Assault
12% of 26 decks +10% synergy
Gamble
12% of 26 decks +7% synergy
Faithless Looting
12% of 26 decks +3% synergy
Utility Artifacts
Swiftfoot Boots
35% of 26 decks +7% synergy
Mycosynth Lattice
19% of 26 decks +18% synergy
Helm of the Host
19% of 26 decks +16% synergy
Strionic Resonator
19% of 26 decks +16% synergy
Halo Fountain
19% of 16 decks +17% synergy
Bolas's Citadel
18% of 17 decks +13% synergy
Mind's Eye
15% of 26 decks +14% synergy
Mirage Mirror
15% of 26 decks +14% synergy
Sword of the Animist
15% of 26 decks +11% synergy
Lightning Greaves
15% of 26 decks -10% synergy
Mirror Box
12% of 26 decks +10% synergy
Mimic Vat
12% of 26 decks +10% synergy
Blade of Selves
12% of 26 decks +10% synergy
Sword of Feast and Famine
12% of 26 decks +9% synergy
Sword of Hearth and Home
12% of 26 decks +9% synergy
Panharmonicon
12% of 26 decks +7% synergy
Sensei's Divining Top
12% of 26 decks +6% synergy
Ashnod's Altar
12% of 26 decks +4% synergy
Enchantments
Flowering of the White Tree
33% of 9 decks +30% synergy
Living Lands
31% of 13 decks +31% synergy
Nature's Revolt
31% of 13 decks +31% synergy
Black Market Connections
25% of 16 decks +19% synergy
Smothering Tithe
24% of 17 decks +12% synergy
Biotransference
23% of 13 decks +22% synergy
Wilderness Reclamation
23% of 13 decks +21% synergy
Doubling Season
23% of 13 decks +19% synergy
Garruk's Uprising
23% of 13 decks +16% synergy
Terra Eternal
18% of 17 decks +18% synergy
Conspiracy
18% of 17 decks +17% synergy
Revel in Riches
18% of 17 decks +16% synergy
Flameshadow Conjuring
12% of 26 decks +11% synergy
Fiery Emancipation
12% of 26 decks +10% synergy
Goblin Bombardment
12% of 26 decks +8% synergy
Utility Lands
Yavimaya, Cradle of Growth
35% of 26 decks +25% synergy
Reliquary Tower
31% of 26 decks +2% synergy
Cabal Coffers
29% of 17 decks +24% synergy
Dryad Arbor
23% of 13 decks +21% synergy
Gaea's Cradle
23% of 13 decks +20% synergy
Rogue's Passage
15% of 26 decks -4% synergy
Tyrite Sanctum
12% of 26 decks +10% synergy
Darksteel Citadel
12% of 26 decks +8% synergy
Mana Artifacts
Sol Ring
85% of 26 decks +0% synergy
Arcane Signet
65% of 26 decks -6% synergy
Talisman of Conviction
24% of 17 decks +19% synergy
Fellwar Stone
23% of 26 decks +2% synergy
Mana Crypt
19% of 26 decks +8% synergy
Boros Signet
18% of 17 decks +12% synergy
Talisman of Indulgence
18% of 17 decks +12% synergy
Rakdos Signet
18% of 17 decks +11% synergy
Chrome Mox
15% of 26 decks +9% synergy
Chromatic Lantern
15% of 26 decks +6% synergy
Mana Vault
12% of 26 decks +5% synergy
Lotus Petal
12% of 26 decks +5% synergy
Lands
Breeding Pool
75% of 4 decks +66% synergy
Command Tower
69% of 26 decks -4% synergy
Indatha Triome
60% of 5 decks +57% synergy
Blood Crypt
59% of 17 decks +50% synergy
Savai Triome
50% of 10 decks +47% synergy
Temple Garden
50% of 8 decks +41% synergy
Overgrown Tomb
50% of 8 decks +41% synergy
Godless Shrine
50% of 10 decks +41% synergy
Exotic Orchard
46% of 26 decks +11% synergy
Sacred Foundry
41% of 17 decks +33% synergy
Stomping Ground
38% of 13 decks +29% synergy
Bayou
38% of 8 decks +35% synergy
Ziatora's Proving Ground
38% of 8 decks +34% synergy
Overgrown Farmland
38% of 8 decks +34% synergy
Bloodstained Mire
35% of 26 decks +24% synergy
Arid Mesa
31% of 26 decks +20% synergy
Goldmire Bridge
30% of 10 decks +29% synergy
Rugged Prairie
24% of 17 decks +21% synergy
Badlands
24% of 17 decks +20% synergy
Sundown Pass
24% of 17 decks +20% synergy
Clifftop Retreat
24% of 17 decks +18% synergy
Taiga
23% of 13 decks +20% synergy
City of Brass
23% of 26 decks +15% synergy
Wooded Foothills
19% of 26 decks +9% synergy
Scalding Tarn
19% of 26 decks +8% synergy
Marsh Flats
19% of 26 decks +8% synergy
Verdant Catacombs
19% of 26 decks +8% synergy
Myriad Landscape
19% of 26 decks -1% synergy
Sunbaked Canyon
18% of 17 decks +17% synergy
Drossforge Bridge
18% of 17 decks +17% synergy
Rustvale Bridge
18% of 17 decks +16% synergy
Needleverge Pathway
18% of 17 decks +16% synergy
Temple of Malice
18% of 17 decks +14% synergy
Boros Garrison
18% of 17 decks +14% synergy
Rakdos Carnarium
18% of 17 decks +14% synergy
Sulfurous Springs
18% of 17 decks +13% synergy
Battlefield Forge
18% of 17 decks +12% synergy
Spectator Seating
18% of 17 decks +12% synergy
Luxury Suite
18% of 17 decks +12% synergy
Dragonskull Summit
18% of 17 decks +11% synergy
Fabled Passage
15% of 26 decks +6% synergy
Windswept Heath
15% of 26 decks +5% synergy
Polluted Delta
15% of 26 decks +4% synergy
Misty Rainforest
15% of 26 decks +4% synergy
Path of Ancestry
15% of 26 decks -6% synergy
Cavern of Souls
12% of 26 decks +5% synergy
Mana Confluence
12% of 26 decks +4% synergy
Flooded Strand
12% of 26 decks +1% synergy
Terramorphic Expanse
12% of 26 decks -4% synergy
Evolving Wilds
12% of 26 decks -10% synergy