Sun Titan + Gift of Immortality + Bloodflow Connoisseur

Sun Titan
Gift of Immortality
Bloodflow Connoisseur

Requires
Sun Titan must be on the battlefield. Gift of Immortality must be on the battlefield (attached to Sun Titan). Bloodflow Connoisseur must be on the battlefield.
Steps
  1. Activate Bloodflow Connoisseur by sacrificing Sun Titan.
  2. When Sun Titan dies, Gift of Immortality triggers, returning Sun Titan from your graveyard to the battlefield.
  3. When Sun Titan enters the battlefield, it triggers, returning Gift of Immortality from your graveyard to the battlefield attached to Sun Titan.
  4. Resolve the Bloodflow Connoisseur ability, putting a +1/+1 counter on it.
  5. Repeat.
Results
Infinite +1/+1 counters on Bloodflow Connoisseur. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Elenda, the Dusk Rose
0.09% of 5285 decks 5 decks
Tayam, Luminous Enigma
0.03% of 5725 decks 2 decks
Teysa Karlov
0.01% of 15216 decks 2 decks
Neyam Shai Murad
0.24% of 410 decks 1 decks
Bane, Lord of Darkness
0.05% of 2087 decks 1 decks
Alesha, Who Smiles at Death
0.02% of 5882 decks 1 decks
Nevinyrral, Urborg Tyrant
0.07% of 1536 decks 1 decks
Eriette of the Charmed Apple
0.01% of 13155 decks 1 decks
Zur the Enchanter
0.01% of 11095 decks 1 decks
Teysa, Orzhov Scion
0.04% of 2675 decks 1 decks
Felisa, Fang of Silverquill
0.06% of 1661 decks 1 decks
High Synergy Cards
Bartolomé del Presidio
78% of 9 decks +71% synergy
Blood Artist
76% of 17 decks +65% synergy
Viscera Seer
71% of 17 decks +61% synergy
Carrion Feeder
65% of 17 decks +60% synergy
Cruel Celebrant
65% of 17 decks +56% synergy
Yahenni, Undying Partisan
53% of 17 decks +50% synergy
Ashnod's Altar
53% of 17 decks +45% synergy
Elas il-Kor, Sadistic Pilgrim
56% of 16 decks +45% synergy
Zulaport Cutthroat
53% of 17 decks +43% synergy
Solemn Simulacrum
53% of 17 decks +39% synergy
Top Cards
Swords to Plowshares
65% of 17 decks +2% synergy
Phyrexian Altar
41% of 17 decks +37% synergy
Teysa Karlov
41% of 17 decks +36% synergy
Bastion of Remembrance
41% of 17 decks +35% synergy
Skullclamp
41% of 17 decks +29% synergy
Kaya's Ghostform
35% of 17 decks +31% synergy
Grim Haruspex
35% of 17 decks +31% synergy
Reanimate
35% of 17 decks +20% synergy
Sanguine Bond
29% of 17 decks +24% synergy
Pitiless Plunderer
29% of 17 decks +22% synergy
Creatures
Accursed Marauder
60% of 5 decks +51% synergy
Syr Konrad, the Grim
29% of 17 decks +20% synergy
Erebos, Bleak-Hearted
24% of 17 decks +22% synergy
Pawn of Ulamog
24% of 17 decks +21% synergy
Falkenrath Noble
24% of 17 decks +21% synergy
Midnight Reaper
24% of 17 decks +20% synergy
Selfless Spirit
24% of 17 decks +19% synergy
Plaguecrafter
24% of 17 decks +18% synergy
Morbid Opportunist
24% of 17 decks +18% synergy
Drivnod, Carnage Dominus
21% of 14 decks +18% synergy
Junji, the Midnight Sky
19% of 16 decks +16% synergy
Boonweaver Giant
18% of 17 decks +18% synergy
Bloodthrone Vampire
18% of 17 decks +17% synergy
Vindictive Vampire
18% of 17 decks +16% synergy
Luminous Broodmoth
18% of 17 decks +16% synergy
Priest of Forgotten Gods
18% of 17 decks +15% synergy
Priest of Fell Rites
18% of 17 decks +15% synergy
Gravecrawler
18% of 17 decks +15% synergy
Reassembling Skeleton
18% of 17 decks +14% synergy
Burnished Hart
18% of 17 decks +13% synergy
Karmic Guide
18% of 17 decks +13% synergy
Welcoming Vampire
18% of 17 decks +12% synergy
Elenda, the Dusk Rose
18% of 17 decks +12% synergy
Knight of the White Orchid
18% of 17 decks +12% synergy
Mentor of the Meek
18% of 17 decks +11% synergy
Gray Merchant of Asphodel
18% of 17 decks +9% synergy
Instants
Path to Exile
29% of 17 decks -16% synergy
Supernatural Stamina
24% of 17 decks +22% synergy
Despark
24% of 17 decks +8% synergy
Anguished Unmaking
24% of 17 decks -1% synergy
Plumb the Forbidden
18% of 17 decks +14% synergy
Malakir Rebirth
18% of 17 decks +9% synergy
Village Rites
18% of 17 decks +8% synergy
Mortify
18% of 17 decks +6% synergy
Teferi's Protection
18% of 17 decks -2% synergy
Generous Gift
18% of 17 decks -8% synergy
Sorceries
Dread Return
18% of 17 decks +12% synergy
Diabolic Tutor
18% of 17 decks +11% synergy
Victimize
18% of 17 decks +6% synergy
Austere Command
18% of 17 decks +5% synergy
Damn
18% of 17 decks +1% synergy
Utility Artifacts
Wayfarer's Bauble
29% of 17 decks +19% synergy
Blade of the Bloodchief
24% of 17 decks +23% synergy
Altar of Dementia
24% of 17 decks +21% synergy
Swiftfoot Boots
24% of 17 decks -4% synergy
Spawning Pit
18% of 17 decks +17% synergy
Oketra's Monument
18% of 17 decks +16% synergy
The Ozolith
18% of 17 decks +14% synergy
Lightning Greaves
18% of 17 decks -8% synergy
Enchantments
Phyrexian Arena
29% of 17 decks +15% synergy
Animate Dead
24% of 17 decks +14% synergy
Smothering Tithe
24% of 17 decks -2% synergy
Black Market
18% of 17 decks +13% synergy
Exquisite Blood
18% of 17 decks +13% synergy
The Meathook Massacre
18% of 17 decks +13% synergy
Necropotence
18% of 17 decks +12% synergy
Planeswalkers
Liliana, Dreadhorde General
18% of 17 decks +14% synergy
Utility Lands
Bojuka Bog
35% of 17 decks +5% synergy
Barren Moor
24% of 17 decks +20% synergy
Phyrexian Tower
24% of 17 decks +15% synergy
Reliquary Tower
24% of 17 decks -6% synergy
Castle Locthwain
18% of 17 decks +12% synergy
Temple of the False God
18% of 17 decks +8% synergy
Mana Artifacts
Sol Ring
88% of 17 decks +4% synergy
Arcane Signet
76% of 17 decks +4% synergy
Orzhov Signet
71% of 17 decks +43% synergy
Talisman of Hierarchy
53% of 17 decks +28% synergy
Fellwar Stone
29% of 17 decks +8% synergy
Darksteel Ingot
24% of 17 decks +22% synergy
Thought Vessel
24% of 17 decks +7% synergy
Mind Stone
24% of 17 decks +6% synergy
Commander's Sphere
18% of 17 decks +2% synergy
Lands
Command Tower
88% of 17 decks +14% synergy
Caves of Koilos
47% of 17 decks +19% synergy
Godless Shrine
47% of 17 decks +6% synergy
Tainted Field
35% of 17 decks +22% synergy
Evolving Wilds
35% of 17 decks +14% synergy
Sunlit Marsh
31% of 16 decks +27% synergy
Isolated Chapel
29% of 17 decks +2% synergy
Exotic Orchard
29% of 17 decks -6% synergy
Ash Barrens
24% of 17 decks +19% synergy
Fetid Heath
24% of 17 decks +13% synergy
Shineshadow Snarl
24% of 17 decks +11% synergy
Orzhov Basilica
24% of 17 decks +8% synergy
Temple of Silence
24% of 17 decks +6% synergy
Myriad Landscape
24% of 17 decks +4% synergy
Vault of Champions
24% of 17 decks -2% synergy
Forsaken Sanctuary
18% of 17 decks +16% synergy
Orzhov Guildgate
18% of 17 decks +13% synergy
Brightclimb Pathway
18% of 17 decks +7% synergy
Shattered Sanctum
18% of 17 decks +4% synergy
Path of Ancestry
18% of 17 decks -3% synergy