Jinnie Fay, Jetmir's Second + Dogmeat, Ever Loyal + Breath of Fury

Jinnie Fay, Jetmir's Second
Dogmeat, Ever Loyal
Breath of Fury

Requires
Jinnie Fay, Jetmir's Second must be on the battlefield. Dogmeat, Ever Loyal must be on the battlefield. Breath of Fury must be on the battlefield.
Steps
  1. Declare the creature with Breath of Fury attached as an attacker.
  2. Dogmeat's second ability triggers, creating a 2/2 Cat creature token with haste due to Jinnie Fay.
  3. Deal combat damage using the creature that has Breath of Fury attached.
  4. Breath of Fury triggers, causing you to sacrifice the creature it is attached to, then attach Breath of Fury to the Cat token, then causing you to untap all creatures you control and to get an additional combat phase after this one.
  5. Repeat each combat phase.
Results
Infinite combat damage. Infinite combat phases. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite mana creatures you control can produce. Infinite sacrifice triggers. Infinite untap of creatures you control.

Dogmeat, Ever Loyal
0.26% of 6061 decks 16 decks
Jinnie Fay, Jetmir's Second
0.04% of 5427 decks 2 decks
Rin and Seri, Inseparable
0.01% of 17189 decks 1 decks
High Synergy Cards
Strong Back
61% of 18 decks +56% synergy
Puresteel Paladin
58% of 19 decks +55% synergy
Mantle of the Ancients
58% of 19 decks +54% synergy
Bear Umbra
58% of 19 decks +54% synergy
All That Glitters
58% of 19 decks +53% synergy
Codsworth, Handy Helper
56% of 18 decks +52% synergy
Sword of Feast and Famine
53% of 19 decks +51% synergy
Sram, Senior Edificer
53% of 19 decks +48% synergy
Inventory Management
50% of 18 decks +46% synergy
Basilisk Collar
47% of 19 decks +42% synergy
Top Cards
Swiftfoot Boots
63% of 19 decks +38% synergy
Path to Exile
63% of 19 decks +9% synergy
Swords to Plowshares
58% of 19 decks -1% synergy
Farseek
53% of 19 decks +3% synergy
Heroic Intervention
47% of 19 decks +8% synergy
Cultivate
47% of 19 decks -5% synergy
Pip-Boy 3000
44% of 18 decks +42% synergy
Kutzil, Malamet Exemplar
44% of 18 decks +25% synergy
Gift of Immortality
42% of 19 decks +41% synergy
Idolized
42% of 19 decks +39% synergy
Game Changers
Enlightened Tutor
42% of 19 decks +29% synergy
The One Ring
16% of 19 decks +12% synergy
Gaea's Cradle
16% of 19 decks +10% synergy
Ancient Tomb
16% of 19 decks +9% synergy
Smothering Tithe
16% of 19 decks +1% synergy
Creatures
Birds of Paradise
42% of 19 decks +19% synergy
Gunner Conscript
39% of 18 decks +37% synergy
Mister Gutsy
39% of 18 decks +36% synergy
Akki Battle Squad
37% of 19 decks +36% synergy
Kellan, the Fae-Blooded
37% of 19 decks +35% synergy
Danitha Capashen, Paragon
37% of 19 decks +34% synergy
Preston Garvey, Minuteman
33% of 18 decks +32% synergy
Armory Paladin
33% of 18 decks +30% synergy
Stoneforge Mystic
32% of 19 decks +30% synergy
Chishiro, the Shattered Blade
32% of 19 decks +29% synergy
Esper Sentinel
32% of 19 decks +20% synergy
Godo, Bandit Warlord
26% of 19 decks +26% synergy
Ellivere of the Wild Court
26% of 19 decks +25% synergy
Reyav, Master Smith
26% of 19 decks +24% synergy
Danitha, New Benalia's Light
26% of 19 decks +23% synergy
Sanctum Weaver
26% of 19 decks +23% synergy
Sythis, Harvest's Hand
26% of 19 decks +23% synergy
Valduk, Keeper of the Flame
21% of 19 decks +21% synergy
Combat Celebrant
21% of 19 decks +20% synergy
Emiel the Blessed
21% of 19 decks +18% synergy
Aurelia, the Warleader
21% of 19 decks +18% synergy
Temur Sabertooth
21% of 19 decks +16% synergy
Avacyn's Pilgrim
21% of 19 decks +8% synergy
Brotherhood Outcast
17% of 18 decks +15% synergy
Cass, Hand of Vengeance
17% of 18 decks +14% synergy
Siona, Captain of the Pyleas
16% of 19 decks +15% synergy
Armored Skyhunter
16% of 19 decks +15% synergy
Lizard Blades
16% of 19 decks +15% synergy
Bruenor Battlehammer
16% of 19 decks +15% synergy
Ardenn, Intrepid Archaeologist
16% of 19 decks +15% synergy
Loyal Apprentice
16% of 19 decks +14% synergy
Kor Spiritdancer
16% of 19 decks +14% synergy
Village Bell-Ringer
16% of 19 decks +14% synergy
Jukai Naturalist
16% of 19 decks +13% synergy
Setessan Champion
16% of 19 decks +13% synergy
Pack Leader
16% of 19 decks +9% synergy
Bloom Tender
16% of 19 decks +7% synergy
Mondrak, Glory Dominus
16% of 19 decks +6% synergy
Instants
Deflecting Swat
32% of 19 decks +20% synergy
Teferi's Protection
32% of 19 decks +13% synergy
Chaos Warp
26% of 19 decks +8% synergy
Beast Within
26% of 19 decks -10% synergy
Break Down
17% of 18 decks +15% synergy
Dispatch
16% of 19 decks +14% synergy
Valorous Stance
16% of 19 decks +13% synergy
Flawless Maneuver
16% of 19 decks +2% synergy
Boros Charm
16% of 19 decks -12% synergy
Sorceries
Open the Armory
42% of 19 decks +39% synergy
Blasphemous Act
26% of 19 decks +1% synergy
Single Combat
21% of 19 decks +19% synergy
Release the Dogs
21% of 19 decks +18% synergy
Austere Command
21% of 19 decks +8% synergy
Kodama's Reach
21% of 19 decks -13% synergy
Megaton's Fate
17% of 18 decks +15% synergy
Steelshaper's Gift
16% of 19 decks +14% synergy
Wrath of God
16% of 19 decks +11% synergy
Three Visits
16% of 19 decks -13% synergy
Utility Artifacts
Sword of Hearth and Home
37% of 19 decks +35% synergy
Helm of the Host
37% of 19 decks +34% synergy
Silver Shroud Costume
33% of 18 decks +30% synergy
Bloodforged Battle-Axe
32% of 19 decks +30% synergy
Pre-War Formalwear
28% of 18 decks +25% synergy
The Reaver Cleaver
26% of 19 decks +24% synergy
Junk Jet
22% of 18 decks +21% synergy
Nettlecyst
21% of 19 decks +19% synergy
Behemoth Sledge
21% of 19 decks +19% synergy
Masterwork of Ingenuity
21% of 19 decks +19% synergy
Shadowspear
21% of 19 decks +19% synergy
Blackblade Reforged
21% of 19 decks +18% synergy
Mithril Coat
21% of 19 decks +18% synergy
Lightning Greaves
21% of 19 decks -2% synergy
Krark-Clan Ironworks
16% of 19 decks +15% synergy
Bitterthorn, Nissa's Animus
16% of 19 decks +15% synergy
Conqueror's Flail
16% of 19 decks +15% synergy
Robe of Stars
16% of 19 decks +15% synergy
Sword of Fire and Ice
16% of 19 decks +15% synergy
Thran Power Suit
16% of 19 decks +15% synergy
Hammer of Nazahn
16% of 19 decks +14% synergy
Champion's Helm
16% of 19 decks +14% synergy
Sword of the Animist
16% of 19 decks +13% synergy
Enchantments
Aggravated Assault
42% of 19 decks +38% synergy
Sigarda's Aid
37% of 19 decks +35% synergy
Almost Perfect
33% of 18 decks +30% synergy
Grim Reaper's Sprint
33% of 18 decks +30% synergy
Rancor
26% of 19 decks +22% synergy
Splinter Twin
21% of 19 decks +21% synergy
Ethereal Armor
21% of 19 decks +18% synergy
Primal Vigor
21% of 19 decks +17% synergy
Wild Growth
21% of 19 decks +11% synergy
Shielded by Faith
16% of 19 decks +15% synergy
Spirit Mantle
16% of 19 decks +13% synergy
Sticky Fingers
16% of 19 decks +13% synergy
Kenrith's Transformation
16% of 19 decks +13% synergy
Fertile Ground
16% of 19 decks +11% synergy
Sylvan Library
16% of 19 decks +5% synergy
Anointed Procession
16% of 19 decks +4% synergy
Parallel Lives
16% of 19 decks +4% synergy
Impact Tremors
16% of 19 decks +1% synergy
Utility Lands
Rogue's Passage
37% of 19 decks +10% synergy
Buried Ruin
32% of 19 decks +29% synergy
Reliquary Tower
26% of 19 decks +8% synergy
Temple of the False God
21% of 19 decks +9% synergy
Boseiju, Who Endures
21% of 19 decks +5% synergy
Yavimaya, Cradle of Growth
21% of 19 decks +3% synergy
Hall of Heliod's Generosity
16% of 19 decks +13% synergy
Animal Sanctuary
16% of 19 decks +11% synergy
Mana Artifacts
Sol Ring
95% of 19 decks +11% synergy
Arcane Signet
74% of 19 decks +1% synergy
Lands
Command Tower
100% of 19 decks +9% synergy
Jungle Shrine
74% of 19 decks +17% synergy
Clifftop Retreat
58% of 19 decks +21% synergy
Exotic Orchard
58% of 19 decks +5% synergy
Sunpetal Grove
53% of 19 decks +20% synergy
Rootbound Crag
53% of 19 decks +20% synergy
Path of Ancestry
53% of 19 decks +18% synergy
Temple Garden
53% of 19 decks +11% synergy
Jetmir's Garden
53% of 19 decks +9% synergy
Canopy Vista
53% of 19 decks +3% synergy
Cinder Glade
53% of 19 decks +3% synergy
Sacred Foundry
47% of 19 decks +9% synergy
Stomping Ground
42% of 19 decks -0% synergy
Spire Garden
37% of 19 decks +8% synergy
Evolving Wilds
37% of 19 decks +7% synergy
Bountiful Promenade
37% of 19 decks +6% synergy
Mossfire Valley
32% of 19 decks +19% synergy
Temple of Abandon
32% of 19 decks +18% synergy
Sungrass Prairie
32% of 19 decks +17% synergy
Sundown Pass
32% of 19 decks +17% synergy
Overgrown Farmland
32% of 19 decks +10% synergy
Rockfall Vale
32% of 19 decks +6% synergy
Arid Mesa
32% of 19 decks +4% synergy
Spectator Seating
32% of 19 decks +4% synergy
Wooded Foothills
32% of 19 decks +4% synergy
Windswept Heath
32% of 19 decks +3% synergy
Plateau
26% of 19 decks +16% synergy
Taiga
26% of 19 decks +15% synergy
Savannah
26% of 19 decks +15% synergy
Temple of Plenty
26% of 19 decks +12% synergy
Temple of Triumph
26% of 19 decks +12% synergy
Brushland
26% of 19 decks +10% synergy
Terramorphic Expanse
26% of 19 decks +3% synergy
Sunscorched Divide
22% of 18 decks +16% synergy
Sheltered Thicket
21% of 19 decks +12% synergy
Myriad Landscape
21% of 19 decks +5% synergy
Karplusan Forest
21% of 19 decks +5% synergy
Battlefield Forge
21% of 19 decks +3% synergy
Needleverge Pathway
16% of 19 decks +9% synergy
Cragcrown Pathway
16% of 19 decks +8% synergy
Scattered Groves
16% of 19 decks +6% synergy