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
26.98% of 5571 decks 1503 decks
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0.08% of 14905 decks 12 decks
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0.04% of 6969 decks 3 decks
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New Cards
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High Synergy Cards
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64% of 1533 decks +59% synergy
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Necromancy
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Exploration
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29% of 1533 decks +27% synergy
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6% of 1533 decks +3% synergy
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60% of 1533 decks +30% synergy
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55% of 1533 decks +45% synergy
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54% of 1533 decks +44% synergy
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48% of 1533 decks +44% synergy
High Market
33% of 1533 decks +30% synergy
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27% of 1533 decks +7% synergy
Barad-dûr
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Takenuma, Abandoned Mire
19% of 1533 decks +8% synergy
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18% of 1533 decks -11% synergy
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16% of 128 decks +11% synergy
Shifting Woodland
13% of 387 decks +3% synergy
Grim Backwoods
12% of 1533 decks +8% synergy
The Shire
9% of 1533 decks +5% synergy
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9% of 1533 decks -1% synergy
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8% of 1533 decks -2% synergy
Restless Cottage
8% of 921 decks +4% synergy
Minas Morgul, Dark Fortress
8% of 804 decks +6% synergy
Castle Locthwain
8% of 1533 decks +2% synergy
Rogue's Passage
7% of 1533 decks -12% synergy
Urza's Saga
6% of 1533 decks -2% synergy
Strip Mine
5% of 1533 decks +3% synergy
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5% of 387 decks +1% synergy
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5% of 1533 decks +1% synergy
Field of Ruin
5% of 1533 decks +3% synergy
Mana Artifacts
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84% of 1533 decks -1% synergy
Arcane Signet
63% of 1533 decks -9% synergy
Golgari Signet
15% of 1533 decks +3% synergy
Talisman of Resilience
12% of 1533 decks +0% synergy
Mana Crypt
6% of 1533 decks -3% synergy
Lands
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91% of 1533 decks +17% synergy
Woodland Cemetery
73% of 1533 decks +45% synergy
Rejuvenating Springs
71% of 7 decks +43% synergy
Overgrown Tomb
65% of 1533 decks +22% synergy
Undergrowth Stadium
62% of 1533 decks +36% synergy
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56% of 1533 decks +30% synergy
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50% of 6 decks +34% synergy
Sunpetal Grove
50% of 6 decks +27% synergy
Canopy Vista
50% of 6 decks +14% synergy
Godless Shrine
50% of 6 decks +9% synergy
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48% of 1533 decks +37% synergy
Tainted Wood
44% of 1533 decks +31% synergy
Drowned Catacomb
43% of 7 decks +18% synergy
Morphic Pool
43% of 7 decks +17% synergy
Opulent Palace
43% of 7 decks +16% synergy
Hinterland Harbor
43% of 7 decks +16% synergy
Zagoth Triome
43% of 7 decks +12% synergy
Breeding Pool
43% of 7 decks +2% synergy
Golgari Rot Farm
42% of 1533 decks +24% synergy
Deathcap Glade
40% of 1533 decks +26% synergy
Underground Mortuary
35% of 595 decks +19% synergy
Evolving Wilds
30% of 1533 decks +9% synergy
Necroblossom Snarl
29% of 1533 decks +17% synergy
Fabled Passage
28% of 1533 decks +19% synergy
Twilight Mire
28% of 1533 decks +19% synergy
Darkbore Pathway
27% of 1533 decks +18% synergy
Exotic Orchard
26% of 1533 decks -9% synergy
Temple of Malady
24% of 1533 decks +8% synergy
Terramorphic Expanse
21% of 1533 decks +6% synergy
Myriad Landscape
20% of 1533 decks +0% synergy
Viridescent Bog
20% of 498 decks +9% synergy
Bayou
16% of 1533 decks +3% synergy
Marsh Flats
14% of 1533 decks +2% synergy
Misty Rainforest
13% of 1533 decks +1% synergy
Nurturing Peatland
13% of 1533 decks +7% synergy
Haunted Mire
12% of 1533 decks +4% synergy
Wooded Foothills
11% of 1533 decks +1% synergy
Windswept Heath
11% of 1533 decks +1% synergy
Prismatic Vista
10% of 1533 decks +4% synergy
Bloodstained Mire
10% of 1533 decks -1% synergy
Blooming Marsh
9% of 1533 decks +5% synergy
Woodland Chasm
9% of 1533 decks +4% synergy
Polluted Delta
9% of 1533 decks -2% synergy
Lazotep Quarry
8% of 294 decks +6% synergy
Riveteers Overlook
8% of 1533 decks +6% synergy
Urza's Cave
7% of 400 decks +3% synergy
Reflecting Pool
7% of 1533 decks +2% synergy
Shire Terrace
6% of 1533 decks +5% synergy
Jungle Hollow
5% of 1533 decks -3% synergy
Demolition Field
5% of 1533 decks +2% synergy