Sméagol, Helpful Guide + Dúnedain Rangers + Bloodghast + Ashnod's Altar

Sméagol, Helpful Guide
Dúnedain Rangers
Bloodghast
Ashnod's Altar

Requires
Sméagol, Helpful Guide must be on the battlefield. Dúnedain Rangers must be on the battlefield. Bloodghast must be on the battlefield. Ashnod's Altar must be on the battlefield. You don't control a Ring-bearer. You have a land card in hand.
Steps
  1. Play a land card, triggering Dúnedain Rangers and Bloodghast.
  2. Resolve the Bloodghast trigger, returning it from your graveyard to the battlefield.
  3. Resolve the Dúnedain Rangers trigger, causing the Ring to tempt you, and causing Bloodghast to become your Ring-bearer.
  4. Sméagol triggers.
  5. Holding priority, activate Ashnod's Altar by sacrificing Bloodghast, adding .
  6. Resolve the Sméagol trigger, causing an opponent to reveal cards from the top of their library until they reveal a land card, then causing you to put the land onto the battlefield tapped under your control, and your opponent to put all other revealed cards into their graveyard.
  7. When the land enters the battlefield, Dúnedain Rangers and Bloodghast trigger.
  8. Repeat from step 2.
  9. NOTE: This combo can be stopped if an opponent runs out of lands in their library, so it is recommended to alternate opponents in between cycles to maximize the amount of iterations.
Results
Near-infinite colorless mana. Near-infinite death triggers. Near-infinite ETB. Near-infinite landfall triggers. Near-infinite LTB. Near-infinite mill. Near-infinite sacrifice triggers. Put all land cards from your opponents' libraries onto the battlefield tapped under your control.

Sméagol, Helpful Guide
26.72% of 5790 decks 1547 decks
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0.10% of 15123 decks 15 decks
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0.04% of 7161 decks 3 decks
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New Cards
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Blasphemous Edict
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Mossborn Hydra
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High Synergy Cards
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91% of 1582 decks +90% synergy
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85% of 1503 decks +84% synergy
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74% of 1582 decks +67% synergy
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Top Cards
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69% of 1582 decks +60% synergy
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64% of 1582 decks +59% synergy
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60% of 1582 decks +51% synergy
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60% of 395 decks +53% synergy
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59% of 1582 decks +21% synergy
Creatures
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42% of 1582 decks +41% synergy
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38% of 8 decks +35% synergy
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33% of 9 decks +27% synergy
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Shortcut to Mushrooms
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28% of 1582 decks +18% synergy
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16% of 940 decks +13% synergy
Sylvan Library
15% of 1582 decks +3% synergy
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14% of 1582 decks -1% synergy
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13% of 130 decks +9% synergy
Phyrexian Reclamation
13% of 1582 decks +9% synergy
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12% of 1582 decks +11% synergy
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11% of 1582 decks +7% synergy
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11% of 449 decks +8% synergy
Deathreap Ritual
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10% of 1582 decks +5% synergy
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10% of 1582 decks +7% synergy
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9% of 1582 decks +5% synergy
Black Market Connections
8% of 1582 decks -3% synergy
Case of the Locked Hothouse
8% of 586 decks +4% synergy
Evolutionary Leap
8% of 1582 decks +6% synergy
Compost
7% of 1582 decks +7% synergy
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7% of 1582 decks +1% synergy
Insidious Roots
7% of 565 decks -2% synergy
Dictate of Erebos
7% of 1582 decks +3% synergy
Journey to Eternity
6% of 1582 decks +3% synergy
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6% of 47 decks -9% synergy
Bloodbond March
6% of 1582 decks +6% synergy
Quest for the Necropolis
6% of 350 decks +6% synergy
Necromancy
6% of 1582 decks +3% synergy
Exploration
6% of 1582 decks -3% synergy
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6% of 1582 decks -3% synergy
Planeswalkers
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29% of 1582 decks +27% synergy
Liliana, Dreadhorde General
14% of 1582 decks +10% synergy
Vraska, Golgari Queen
6% of 1582 decks +3% synergy
Utility Lands
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60% of 1582 decks +30% synergy
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54% of 1582 decks +45% synergy
Urborg, Tomb of Yawgmoth
54% of 1582 decks +44% synergy
Phyrexian Tower
48% of 1582 decks +40% synergy
Field of the Dead
48% of 1582 decks +44% synergy
High Market
34% of 1582 decks +31% synergy
Cabal Coffers
29% of 1582 decks +18% synergy
Boseiju, Who Endures
27% of 1582 decks +8% synergy
Barad-dûr
24% of 1582 decks +21% synergy
Takenuma, Abandoned Mire
20% of 1582 decks +9% synergy
Reliquary Tower
18% of 1582 decks -12% synergy
Shifting Woodland
14% of 437 decks +4% synergy
Fountainport
13% of 173 decks +9% synergy
Grim Backwoods
12% of 1582 decks +8% synergy
The Shire
9% of 1582 decks +5% synergy
Temple of the False God
9% of 1582 decks -1% synergy
Minas Morgul, Dark Fortress
9% of 850 decks +7% synergy
Ancient Tomb
8% of 1582 decks -2% synergy
Restless Cottage
8% of 968 decks +4% synergy
Castle Locthwain
8% of 1582 decks +2% synergy
Rogue's Passage
7% of 1582 decks -12% synergy
Strip Mine
5% of 1582 decks +3% synergy
Urza's Saga
5% of 1582 decks -2% synergy
Spymaster's Vault
5% of 437 decks +1% synergy
Field of Ruin
5% of 1582 decks +3% synergy
Dryad Arbor
5% of 1582 decks +1% synergy
Mana Artifacts
Sol Ring
83% of 1582 decks -1% synergy
Arcane Signet
63% of 1582 decks -9% synergy
Golgari Signet
15% of 1582 decks +3% synergy
Talisman of Resilience
12% of 1582 decks +0% synergy
Mana Crypt
6% of 1582 decks -2% synergy
Lands
Command Tower
91% of 1582 decks +17% synergy
Woodland Cemetery
73% of 1582 decks +45% synergy
Overgrown Tomb
65% of 1582 decks +22% synergy
Undergrowth Stadium
63% of 1582 decks +37% synergy
Llanowar Wastes
56% of 1582 decks +30% synergy
Rejuvenating Springs
56% of 9 decks +27% synergy
Canopy Vista
50% of 8 decks +14% synergy
Verdant Catacombs
49% of 1582 decks +37% synergy
Drowned Catacomb
44% of 9 decks +19% synergy
Opulent Palace
44% of 9 decks +18% synergy
Tainted Wood
44% of 1582 decks +31% synergy
Golgari Rot Farm
42% of 1582 decks +24% synergy
Deathcap Glade
40% of 1582 decks +27% synergy
Selesnya Sanctuary
38% of 8 decks +23% synergy
Orzhov Basilica
38% of 8 decks +22% synergy
Sunpetal Grove
38% of 8 decks +14% synergy
Godless Shrine
38% of 8 decks -3% synergy
Underground Mortuary
35% of 642 decks +19% synergy
Morphic Pool
33% of 9 decks +7% synergy
Hinterland Harbor
33% of 9 decks +6% synergy
Zagoth Triome
33% of 9 decks +3% synergy
Sunken Hollow
33% of 9 decks -1% synergy
Breeding Pool
33% of 9 decks -8% synergy
Evolving Wilds
29% of 1582 decks +8% synergy
Necroblossom Snarl
29% of 1582 decks +17% synergy
Twilight Mire
28% of 1582 decks +19% synergy
Fabled Passage
28% of 1582 decks +19% synergy
Darkbore Pathway
27% of 1582 decks +18% synergy
Exotic Orchard
27% of 1582 decks -9% synergy
Temple of Malady
23% of 1582 decks +7% synergy
Terramorphic Expanse
21% of 1582 decks +6% synergy
Myriad Landscape
20% of 1582 decks +0% synergy
Viridescent Bog
19% of 544 decks +8% synergy
Bayou
16% of 1582 decks +3% synergy
Marsh Flats
14% of 1582 decks +2% synergy
Misty Rainforest
13% of 1582 decks +2% synergy
Nurturing Peatland
13% of 1582 decks +7% synergy
Haunted Mire
12% of 1582 decks +4% synergy
Wooded Foothills
11% of 1582 decks +1% synergy
Windswept Heath
11% of 1582 decks +0% synergy
Prismatic Vista
10% of 1582 decks +5% synergy
Bloodstained Mire
10% of 1582 decks -1% synergy
Blooming Marsh
9% of 1582 decks +5% synergy
Woodland Chasm
9% of 1582 decks +4% synergy
Polluted Delta
9% of 1582 decks -2% synergy
Lazotep Quarry
8% of 343 decks +6% synergy
Riveteers Overlook
8% of 1582 decks +6% synergy
Urza's Cave
8% of 449 decks +4% synergy
Reflecting Pool
7% of 1582 decks +2% synergy
Shire Terrace
6% of 1582 decks +5% synergy