Squall, SeeD Mercenary
Combat Celebrant
Umbral Collar Zealot

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
An opponent cannot block creatures you control.

   Steps

How does this combo work?
1
Declare Squall and Combat Celebrant as attackers, choosing to exert Combat Celebrant as it attacks.
2
Combat Celebrant triggers, untapping all other creatures you control and causing you to get an additional combat phase after this one.
3
Holding priority, activate Umbral Collar Zealot by sacrificing Combat Celebrant.
4
Deal combat damage to an opponent using Squall, triggering Squall's second ability, returning Combat Celebrant from your graveyard to the battlefield.
5
Repeat each combat phase.

   Results

What do I get from this combo?
Infinite LTB
Infinite ETB
Infinite sacrifice triggers
Infinite death triggers
Infinite combat phases
Infinite untap of creatures you control
Infinite mana creatures you control can produce
Infinite combat damage
Infinite surveil
Terra, Herald of Hope
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High Synergy Cards
Faithless Looting
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83%synergy
Accursed Marauder
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83%synergy
Ripples of Undeath
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Kiki-Jiki, Mirror Breaker
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Top Cards
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63%synergy
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Game Changers
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14%synergy
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Creatures
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Instants
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Sorceries
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Utility Artifacts
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Wayfarer's Bauble
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Enchantments
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Planeswalkers
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Utility Lands
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Bojuka Bog
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Homeward Path
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The Black Gate
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Great Hall of the Citadel
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Spinerock Knoll
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Hanweir Battlements
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High Market
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Arena of Glory
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7%synergy
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Dalkovan Encampment
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6%synergy
Windbrisk Heights
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4%synergy
Mana Artifacts
Arcane Signet
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0%synergy
Talisman of Indulgence
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35%synergy
Talisman of Conviction
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Sol Ring
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Boros Signet
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Rakdos Signet
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Talisman of Hierarchy
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The Soul Stone
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Mind Stone
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Commander's Sphere
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Lands
Command Tower
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8%synergy
Sulfurous Springs
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58%synergy
Sacred Foundry
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41%synergy
Fetid Heath
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51%synergy
Battlefield Forge
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Blood Crypt
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Godless Shrine
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Bleachbone Verge
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Bloodstained Mire
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Smoldering Marsh
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Savai Triome
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19%synergy
Path of Ancestry
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19%synergy
Exotic Orchard
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5%synergy
Nomad Outpost
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Shineshadow Snarl
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33%synergy
Foreboding Ruins
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32%synergy
Graven Cairns
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31%synergy
Rugged Prairie
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26%synergy
Sundown Pass
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22%synergy
Arid Mesa
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12%synergy
Vault of Champions
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Clifftop Retreat
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Dragonskull Summit
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Sunscorched Divide
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22%synergy
Furycalm Snarl
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19%synergy
Cavern of Souls
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Elegant Parlor
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19%synergy
Raucous Theater
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19%synergy
Shadowy Backstreet
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18%synergy
Desolate Mire
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Blazemire Verge
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Shadowblood Ridge
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13%synergy
Haunted Ridge
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Spectator Seating
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Marsh Flats
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-3%synergy
Caves of Koilos
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-11%synergy
Isolated Chapel
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-25%synergy
Starting Town
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11%synergy
Silent Clearing
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Sunbaked Canyon
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10%synergy
Demolition Field
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10%synergy
Scalding Tarn
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8%synergy
Ash Barrens
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7%synergy
Brightclimb Pathway
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5%synergy
Sunbillow Verge
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5%synergy
City of Brass
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4%synergy
Tainted Peak
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4%synergy
Tainted Field
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2%synergy
Plateau
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2%synergy
Scrubland
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2%synergy