Sméagol, Helpful Guide + Dúnedain Rangers + Zendikar's Roil + Ashnod's Altar

Sméagol, Helpful Guide
Dúnedain Rangers
Zendikar's Roil
Ashnod's Altar

Requires
Sméagol, Helpful Guide must be on the battlefield. Dúnedain Rangers must be on the battlefield. Zendikar's Roil 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 Zendikar's Roil.
  2. Resolve the Zendikar's Roil trigger, creating a 2/2 Elemental creature token.
  3. Resolve the Dúnedain Rangers trigger, causing the Ring to tempt you, and causing the Elemental token to become your Ring-bearer.
  4. Sméagol triggers.
  5. Holding priority, activate Ashnod's Altar by sacrificing the Elemental, 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 Zendikar's Roil 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
20.59% of 5571 decks 1147 decks
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Into the Pit
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High Synergy Cards
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81% of 1161 decks +80% synergy
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78% of 1161 decks +76% synergy
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Top Cards
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63% of 1161 decks +25% synergy
Creatures
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75% of 4 decks +73% synergy
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Planeswalkers
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36% of 1161 decks +34% synergy
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8% of 1161 decks +4% synergy
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Utility Lands
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51% of 1161 decks +41% synergy
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50% of 1161 decks +40% synergy
Field of the Dead
41% of 1161 decks +37% synergy
Phyrexian Tower
40% of 1161 decks +32% synergy
High Market
33% of 1161 decks +30% synergy
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Barad-dûr
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Boseiju, Who Endures
22% of 1161 decks +3% synergy
Reliquary Tower
19% of 1161 decks -11% synergy
Fountainport
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15% of 1161 decks +4% synergy
Grim Backwoods
12% of 1161 decks +8% synergy
The Shire
9% of 1161 decks +5% synergy
Temple of the False God
9% of 1161 decks -1% synergy
Restless Cottage
9% of 643 decks +4% synergy
Castle Locthwain
7% of 1161 decks +2% synergy
Rogue's Passage
7% of 1161 decks -12% synergy
Shifting Woodland
7% of 244 decks -3% synergy
Minas Morgul, Dark Fortress
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Ancient Tomb
6% of 1161 decks -4% synergy
Field of Ruin
6% of 1161 decks +3% synergy
Spymaster's Vault
5% of 244 decks +1% synergy
Mana Artifacts
Sol Ring
86% of 1161 decks +1% synergy
Arcane Signet
68% of 1161 decks -4% synergy
Golgari Signet
18% of 1161 decks +6% synergy
Talisman of Resilience
13% of 1161 decks +1% synergy
Mana Crypt
6% of 1161 decks -3% synergy
Lands
Orzhov Basilica
100% of 4 decks +84% synergy
Command Tower
90% of 1161 decks +16% synergy
Selesnya Sanctuary
75% of 4 decks +61% synergy
Woodland Cemetery
70% of 1161 decks +43% synergy
Overgrown Tomb
57% of 1161 decks +14% synergy
Llanowar Wastes
57% of 1161 decks +31% synergy
Undergrowth Stadium
55% of 1161 decks +29% synergy
Tainted Wood
45% of 1161 decks +33% synergy
Golgari Rot Farm
45% of 1161 decks +27% synergy
Verdant Catacombs
43% of 1161 decks +31% synergy
Deathcap Glade
39% of 1161 decks +25% synergy
Evolving Wilds
35% of 1161 decks +14% synergy
Underground Mortuary
33% of 398 decks +17% synergy
Necroblossom Snarl
30% of 1161 decks +18% synergy
Exotic Orchard
28% of 1161 decks -8% synergy
Fabled Passage
27% of 1161 decks +17% synergy
Terramorphic Expanse
25% of 1161 decks +10% synergy
Temple of Malady
24% of 1161 decks +8% synergy
Darkbore Pathway
23% of 1161 decks +14% synergy
Viridescent Bog
23% of 331 decks +11% synergy
Myriad Landscape
22% of 1161 decks +2% synergy
Twilight Mire
22% of 1161 decks +12% synergy
Bayou
14% of 1161 decks +0% synergy
Haunted Mire
14% of 1161 decks +6% synergy
Misty Rainforest
11% of 1161 decks -1% synergy
Woodland Chasm
10% of 1161 decks +5% synergy
Marsh Flats
10% of 1161 decks -1% synergy
Nurturing Peatland
10% of 1161 decks +4% synergy
Riveteers Overlook
9% of 1161 decks +7% synergy
Shire Terrace
9% of 1161 decks +8% synergy
Wooded Foothills
8% of 1161 decks -2% synergy
Blooming Marsh
8% of 1161 decks +4% synergy
Prismatic Vista
8% of 1161 decks +3% synergy
Windswept Heath
8% of 1161 decks -2% synergy
Jungle Hollow
8% of 1161 decks -1% synergy
Bloodstained Mire
7% of 1161 decks -3% synergy
Polluted Delta
6% of 1161 decks -5% synergy
Reflecting Pool
6% of 1161 decks +1% synergy
Lazotep Quarry
6% of 188 decks +4% synergy
Festering Gulch
6% of 314 decks +3% synergy
Escape Tunnel
5% of 373 decks +3% synergy