Boonweaver Giant + Bastion of Remembrance + Kaya's Ghostform + Carrion Feeder

Boonweaver Giant
Bastion of Remembrance
Kaya's Ghostform
Carrion Feeder

Requires
Boonweaver Giant must be on the battlefield. Bastion of Remembrance must be on the battlefield. Kaya's Ghostform must be on the battlefield. Carrion Feeder must be on the battlefield. Kaya's Ghostform attached to Boonweaver Giant.
Steps
  1. Activate Carrion Feeder by sacrificing Boonweaver Giant.
  2. Boonweaver Giant dies, triggering Bastion of Remembrance and Kaya's Ghostform.
  3. Resolve the Bastion of Remembrance trigger, causing each opponent to lose 1 life and you to gain 1 life.
  4. Resolve the Kaya's Ghostform trigger, returning Boonweaver Giant from your graveyard to the battlefield.
  5. Boonweaver Giant enters the battlefield, returning Kaya's Ghostform from your graveyard to the battlefield attached to Boonweaver Giant.
  6. Resolve the Carrion Feeder ability, putting a +1/+1 counter on it.
  7. Repeat.
Results
Infinite +1/+1 counters on Carrion Feeder. Infinite death triggers. Infinite ETB. Infinite lifegain. Infinite lifegain triggers. Infinite lifeloss. Infinite LTB. Infinite sacrifice triggers.

Lurrus of the Dream-Den
0.95% of 2307 decks 22 decks
Teysa, Orzhov Scion
0.15% of 2670 decks 4 decks
Elas il-Kor, Sadistic Pilgrim
0.05% of 6467 decks 3 decks
Teysa Karlov
0.02% of 15204 decks 3 decks
Elenda, the Dusk Rose
0.04% of 5257 decks 2 decks
Ayli, Eternal Pilgrim
0.18% of 1119 decks 2 decks
Eriette of the Charmed Apple
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Queza, Augur of Agonies
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Ravos, Soultender // Tevesh Szat, Doom of Fools
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Athreos, God of Passage
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High Synergy Cards
Zulaport Cutthroat
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76% of 42 decks +70% synergy
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43% of 42 decks +41% synergy
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43% of 42 decks +40% synergy
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43% of 42 decks +35% synergy
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40% of 42 decks +36% synergy
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Restoration Specialist
31% of 42 decks +31% synergy
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31% of 42 decks +30% synergy
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31% of 42 decks +25% synergy
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31% of 42 decks +24% synergy
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31% of 39 decks +27% synergy
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30% of 10 decks +23% synergy
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29% of 42 decks +28% synergy
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29% of 42 decks +28% synergy
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29% of 42 decks +26% synergy
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29% of 42 decks +26% synergy
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29% of 42 decks +24% synergy
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29% of 42 decks +22% synergy
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29% of 14 decks +17% synergy
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26% of 42 decks +26% synergy
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26% of 42 decks +19% synergy
Salvage Scout
24% of 42 decks +24% synergy
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23% of 13 decks +20% synergy
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23% of 22 decks +19% synergy
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21% of 42 decks +21% synergy
Blood Pet
21% of 42 decks +20% synergy
Myr Retriever
21% of 42 decks +19% synergy
Braids, Arisen Nightmare
21% of 33 decks +13% synergy
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21% of 39 decks +18% synergy
Scorn-Blade Berserker
20% of 15 decks +20% synergy
Orzhov Enforcer
19% of 42 decks +19% synergy
Cartel Aristocrat
19% of 42 decks +18% synergy
Aven Mindcensor
19% of 42 decks +14% synergy
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18% of 39 decks +10% synergy
Triarch Praetorian
17% of 23 decks +17% synergy
Doomed Traveler
17% of 42 decks +16% synergy
Pawn of Ulamog
17% of 42 decks +14% synergy
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17% of 42 decks +14% synergy
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17% of 18 decks +14% synergy
Spirited Companion
17% of 36 decks +12% synergy
Karmic Guide
17% of 42 decks +12% synergy
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15% of 39 decks +14% synergy
Thalisse, Reverent Medium
15% of 41 decks +12% synergy
Hunted Witness
14% of 42 decks +14% synergy
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14% of 42 decks +13% synergy
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14% of 42 decks +12% synergy
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14% of 42 decks +11% synergy
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14% of 42 decks +9% synergy
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14% of 42 decks +8% synergy
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13% of 39 decks +7% synergy
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12% of 33 decks +12% synergy
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Instants
Village Rites
32% of 41 decks +22% synergy
Corrupted Conviction
29% of 17 decks +24% synergy
Disenchant
26% of 42 decks +22% synergy
Deadly Dispute
26% of 39 decks +14% synergy
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21% of 42 decks +3% synergy
Entomb
19% of 42 decks +12% synergy
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19% of 42 decks +7% synergy
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19% of 42 decks +1% synergy
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Dire Tactics
17% of 42 decks +15% synergy
Despark
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15% of 39 decks +8% synergy
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Altar's Reap
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14% of 42 decks -11% synergy
Inkshield
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10% of 42 decks +7% synergy
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7% of 42 decks +2% synergy
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7% of 42 decks -4% synergy
Mana Artifacts
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86% of 42 decks +1% synergy
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71% of 42 decks -1% synergy
Talisman of Hierarchy
67% of 42 decks +42% synergy
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57% of 42 decks +30% synergy
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26% of 42 decks +26% synergy
Chromatic Sphere
24% of 42 decks +23% synergy
Fellwar Stone
17% of 42 decks -4% synergy
Lotus Petal
14% of 42 decks +8% synergy
Thought Vessel
14% of 42 decks -2% synergy
Orzhov Cluestone
12% of 42 decks +11% synergy
Charcoal Diamond
12% of 42 decks +7% synergy
Jeweled Lotus
10% of 41 decks +4% synergy
Orzhov Locket
10% of 42 decks +9% synergy
Mana Crypt
10% of 42 decks +0% synergy
Lands
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90% of 42 decks +17% synergy
Caves of Koilos
86% of 42 decks +58% synergy
Tainted Field
60% of 42 decks +46% synergy
Temple of Silence
52% of 42 decks +34% synergy
Shineshadow Snarl
49% of 39 decks +36% synergy
Evolving Wilds
45% of 42 decks +24% synergy
Isolated Chapel
43% of 42 decks +16% synergy
Fetid Heath
33% of 42 decks +23% synergy
Orzhov Basilica
33% of 42 decks +17% synergy
Terramorphic Expanse
31% of 42 decks +15% synergy
Godless Shrine
29% of 42 decks -12% synergy
Exotic Orchard
26% of 42 decks -9% synergy
Shattered Sanctum
26% of 39 decks +12% synergy
Vault of Champions
24% of 41 decks -1% synergy
Scoured Barrens
24% of 42 decks +15% synergy
Marsh Flats
24% of 42 decks +12% synergy
Sunlit Marsh
21% of 33 decks +17% synergy
Brightclimb Pathway
20% of 41 decks +9% synergy
Snowfield Sinkhole
18% of 39 decks +15% synergy
Concealed Courtyard
17% of 42 decks +11% synergy
Myriad Landscape
17% of 42 decks -3% synergy
Fabled Passage
12% of 42 decks +3% synergy
Silent Clearing
7% of 42 decks +2% synergy
Ash Barrens
7% of 42 decks +2% synergy
City of Brass
7% of 42 decks -1% synergy
Scrubland
7% of 42 decks -6% synergy
Path of Ancestry
7% of 42 decks -14% synergy