Dualcaster Mage + Black Sun's Twilight + Bloodflow Connoisseur

Dualcaster Mage
Black Sun's Twilight
Bloodflow Connoisseur

Requires
Dualcaster Mage must be in hand. Black Sun's Twilight must be in hand. Bloodflow Connoisseur must be on the battlefield. Mana needed: 6
Steps
  1. Cast Black Sun's Twilight by paying 5, optionally choosing to target a creature.
  2. Holding priority, cast Dualcaster Mage by paying 1.
  3. When Dualcaster Mage enters the battlefield, it triggers, copying Black Sun's Twilight, optionally choosing to target a creature.
  4. Holding priority, activate Bloodflow Connoisseur by sacrificing Dualcaster Mage, putting a +1/+1 counter on it.
  5. Resolve the copy of Black Sun's Twilight, giving up to one creature -5/-5 until end of turn and returning Dualcaster Mage from your graveyard to the battlefield.
  6. Repeat from step 3.
Results
Infinite LTB. Infinite ETB. Infinite sacrifice triggers. Infinite death triggers. Infinite magecraft triggers. Infinite +1/+1 counters on Bloodflow Connoisseur. Reduce any number of target creatures' toughness to zero.

Dargo, the Shipwrecker // Tormod, the Desecrator
0.68% of 147 decks 1 decks
Jeska, Thrice Reborn // Tevesh Szat, Doom of Fools
0.28% of 358 decks 1 decks
Lagomos, Hand of Hatred
0.09% of 1109 decks 1 decks
Creatures
Grim Servant
100% of 1 decks +99% synergy
Greedy Freebooter
100% of 1 decks +95% synergy
Forsaken Miner
100% of 1 decks +92% synergy
Molten Gatekeeper
100% of 1 decks +92% synergy
Accursed Marauder
100% of 1 decks +89% synergy
Cult Conscript
67% of 3 decks +65% synergy
Grim Haruspex
67% of 3 decks +62% synergy
Viscera Seer
67% of 3 decks +55% synergy
Blood Artist
67% of 3 decks +52% synergy
Necrosquito
50% of 2 decks +50% synergy
Mirkwood Bats
50% of 2 decks +30% synergy
Ruthless Winnower
33% of 3 decks +33% synergy
Pyre Zombie
33% of 3 decks +33% synergy
Vampire Aristocrat
33% of 3 decks +33% synergy
Blood Bairn
33% of 3 decks +33% synergy
Rot-Tide Gargantua
33% of 3 decks +33% synergy
Phyrexian Ghoul
33% of 3 decks +33% synergy
Yavimaya Steelcrusher
33% of 3 decks +33% synergy
Defiant Salvager
33% of 3 decks +33% synergy
Keskit, the Flesh Sculptor
33% of 3 decks +33% synergy
Forerunner of the Coalition
33% of 3 decks +33% synergy
Bloodthrone Vampire
33% of 3 decks +33% synergy
Godo, Bandit Warlord
33% of 3 decks +33% synergy
Activated Sleeper
33% of 3 decks +33% synergy
Guildsworn Prowler
33% of 3 decks +33% synergy
Generator Servant
33% of 3 decks +33% synergy
Thermopod
33% of 3 decks +33% synergy
Tenacious Underdog
33% of 3 decks +33% synergy
Dimir House Guard
33% of 3 decks +33% synergy
Nefarious Imp
33% of 3 decks +33% synergy
Cadaver Imp
33% of 3 decks +32% synergy
Fell Stinger
33% of 3 decks +32% synergy
Sifter of Skulls
33% of 3 decks +32% synergy
Dark-Dweller Oracle
33% of 3 decks +32% synergy
Endrek Sahr, Master Breeder
33% of 3 decks +32% synergy
Putrid Goblin
33% of 3 decks +32% synergy
Hissing Iguanar
33% of 3 decks +32% synergy
Orca, Siege Demon
33% of 3 decks +32% synergy
Merciless Executioner
33% of 3 decks +32% synergy
Nether Traitor
33% of 3 decks +31% synergy
Massacre Girl
33% of 3 decks +31% synergy
Demon's Disciple
33% of 3 decks +31% synergy
Razaketh, the Foulblooded
33% of 3 decks +31% synergy
Dockside Chef
33% of 3 decks +30% synergy
Captain Lannery Storm
33% of 3 decks +30% synergy
Worldgorger Dragon
33% of 3 decks +30% synergy
Goblin Matron
33% of 3 decks +30% synergy
Doomed Necromancer
33% of 3 decks +30% synergy
Bladewing, Deathless Tyrant
33% of 3 decks +30% synergy
Murderous Redcap
33% of 3 decks +30% synergy
Instants
Rowan's Grim Search
100% of 1 decks +97% synergy
Not Dead After All
100% of 1 decks +90% synergy
Village Rites
67% of 3 decks +49% synergy
Thrill of Possibility
67% of 3 decks +46% synergy
Bedevil
67% of 3 decks +29% synergy
Dark Ritual
67% of 3 decks +28% synergy
Rakdos Charm
67% of 3 decks +26% synergy
Chaos Warp
67% of 3 decks +17% synergy
Nasty End
50% of 2 decks +43% synergy
Tergrid's Shadow
33% of 3 decks +33% synergy
Dig Up the Body
33% of 3 decks +33% synergy
Murderous Cut
33% of 3 decks +33% synergy
Shred Memory
33% of 3 decks +33% synergy
First Day of Class
33% of 3 decks +33% synergy
Overwhelming Remorse
33% of 3 decks +32% synergy
Doom Blade
33% of 3 decks +31% synergy
Fake Your Own Death
33% of 3 decks +30% synergy
Costly Plunder
33% of 3 decks +29% synergy
Undying Malice
33% of 3 decks +29% synergy
Feign Death
33% of 3 decks +28% synergy
Supernatural Stamina
33% of 3 decks +28% synergy
Tragic Slip
33% of 3 decks +28% synergy
Saw in Half
33% of 3 decks +27% synergy
Deflecting Swat
33% of 3 decks +14% synergy
Abrade
33% of 3 decks +12% synergy
Deadly Dispute
33% of 3 decks +8% synergy
Terminate
33% of 3 decks -10% synergy
Sorceries
Lively Dirge
100% of 1 decks +96% synergy
Annihilating Glare
67% of 3 decks +65% synergy
Pointed Discussion
67% of 3 decks +64% synergy
Feed the Swarm
67% of 3 decks +19% synergy
Dead of Winter
33% of 3 decks +33% synergy
Virtus's Maneuver
33% of 3 decks +33% synergy
Summon Undead
33% of 3 decks +33% synergy
Necrotic Hex
33% of 3 decks +33% synergy
Blood on the Snow
33% of 3 decks +33% synergy
Illicit Shipment
33% of 3 decks +33% synergy
Torrent of Souls
33% of 3 decks +33% synergy
Spark Harvest
33% of 3 decks +32% synergy
Fraying Omnipotence
33% of 3 decks +32% synergy
Danse Macabre
33% of 3 decks +32% synergy
Morbid Curiosity
33% of 3 decks +32% synergy
Innocent Blood
33% of 3 decks +32% synergy
Bone Splinters
33% of 3 decks +32% synergy
Hordeling Outburst
33% of 3 decks +32% synergy
Gix's Command
33% of 3 decks +32% synergy
Beacon of Unrest
33% of 3 decks +32% synergy
Fatal Grudge
33% of 3 decks +31% synergy
Final Parting
33% of 3 decks +30% synergy
Tormenting Voice
33% of 3 decks +27% synergy
Seize the Spoils
33% of 3 decks +26% synergy
Exsanguinate
33% of 3 decks +25% synergy
Cathartic Reunion
33% of 3 decks +25% synergy
Wheel of Misfortune
33% of 3 decks +25% synergy
Victimize
33% of 3 decks +17% synergy
Read the Bones
33% of 3 decks +16% synergy
Faithless Looting
33% of 3 decks +3% synergy
Vandalblast
33% of 3 decks +2% synergy
Blasphemous Act
33% of 3 decks -15% synergy
Utility Artifacts
Boompile
33% of 3 decks +33% synergy
Helm of the Host
33% of 3 decks +31% synergy
Idol of Oblivion
33% of 3 decks +31% synergy
Hazoret's Monument
33% of 3 decks +29% synergy
Urabrask's Forge
33% of 3 decks +28% synergy
Lightning Greaves
33% of 3 decks +2% synergy
Enchantments
Call to the Grave
33% of 3 decks +33% synergy
Blight Mound
33% of 3 decks +33% synergy
Makeshift Munitions
33% of 3 decks +33% synergy
Daring Piracy
33% of 3 decks +33% synergy
Mass Hysteria
33% of 3 decks +32% synergy
Thran Vigil
33% of 3 decks +32% synergy
Oppression
33% of 3 decks +32% synergy
Dark Tutelage
33% of 3 decks +31% synergy
Curse of Disturbance
33% of 3 decks +31% synergy
Dance of the Dead
33% of 3 decks +31% synergy
Grave Pact
33% of 3 decks +30% synergy
Vampiric Rites
33% of 3 decks +29% synergy
Necropotence
33% of 3 decks +26% synergy
Animate Dead
33% of 3 decks +22% synergy
Goblin Bombardment
33% of 3 decks +21% synergy
Planeswalkers
Daretti, Scrap Savant
33% of 3 decks +30% synergy
Ob Nixilis, the Adversary
33% of 3 decks +28% synergy
Utility Lands
Mikokoro, Center of the Sea
33% of 3 decks +33% synergy
The Autonomous Furnace
33% of 3 decks +32% synergy
Westvale Abbey
33% of 3 decks +31% synergy
Shizo, Death's Storehouse
33% of 3 decks +28% synergy
Temple of the False God
33% of 3 decks +25% synergy
Reliquary Tower
33% of 3 decks +19% synergy
Mana Artifacts
Commander's Sphere
100% of 3 decks +75% synergy
Mind Stone
67% of 3 decks +34% synergy
Sol Ring
67% of 3 decks -21% synergy
Arcum's Astrolabe
33% of 3 decks +33% synergy
Chromatic Sphere
33% of 3 decks +33% synergy
Chromatic Star
33% of 3 decks +33% synergy
Coldsteel Heart
33% of 3 decks +32% synergy
Glittering Stockpile
33% of 3 decks +29% synergy
Lotus Petal
33% of 3 decks +26% synergy
Fellwar Stone
33% of 3 decks +1% synergy
Arcane Signet
33% of 3 decks -49% synergy
Lands
Promising Vein
100% of 1 decks +98% synergy
Ash Barrens
67% of 3 decks +61% synergy
Evolving Wilds
67% of 3 decks +45% synergy
Temple of Malice
67% of 3 decks +33% synergy
Rakdos Carnarium
67% of 3 decks +27% synergy
Foreboding Ruins
67% of 3 decks +22% synergy
Smoldering Marsh
67% of 3 decks +3% synergy
Command Tower
67% of 3 decks -19% synergy
Shire Terrace
50% of 2 decks +49% synergy
Shimmerdrift Vale
33% of 3 decks +33% synergy
Tresserhorn Sinks
33% of 3 decks +33% synergy
Jund Panorama
33% of 3 decks +32% synergy
Riveteers Overlook
33% of 3 decks +30% synergy
Rocky Tar Pit
33% of 3 decks +30% synergy
Tramway Station
33% of 3 decks +28% synergy
Sulfurous Mire
33% of 3 decks +26% synergy
Geothermal Bog
33% of 3 decks +24% synergy
Terramorphic Expanse
33% of 3 decks +18% synergy
Path of Ancestry
33% of 3 decks +18% synergy
Bloodfell Caves
33% of 3 decks +16% synergy
Myriad Landscape
33% of 3 decks +7% synergy
Exotic Orchard
33% of 3 decks +3% synergy
Shadowblood Ridge
33% of 3 decks +2% synergy
Tainted Peak
33% of 3 decks -3% synergy
Sulfurous Springs
33% of 3 decks -7% synergy
Dragonskull Summit
33% of 3 decks -22% synergy