Sméagol, Helpful Guide + Dúnedain Rangers + Bloodghast + Phyrexian Altar

Sméagol, Helpful Guide
Dúnedain Rangers
Bloodghast
Phyrexian Altar

Requires
Sméagol, Helpful Guide must be on the battlefield. Dúnedain Rangers must be on the battlefield. Bloodghast must be on the battlefield. Phyrexian 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 Phyrexian Altar by sacrificing Bloodghast, adding one mana of any color.
  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 colored 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.

Top Commanders (1)
Sméagol, Helpful Guide
18.45% of 4059 decks 749 decks
New Cards (5)
The Gitrog, Ravenous Ride
42% of 31 decks +41% synergy
Honest Rutstein
35% of 31 decks +31% synergy
Forsaken Miner
30% of 40 decks +28% synergy
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23% of 31 decks +17% synergy
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10% of 31 decks +3% synergy
High Synergy Cards (10)
Call of the Ring
96% of 758 decks +94% synergy
Gollum, Patient Plotter
89% of 762 decks +89% synergy
Scute Swarm
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85% of 758 decks +84% synergy
Viscera Seer
86% of 762 decks +81% synergy
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79% of 758 decks +78% synergy
Claim the Precious
76% of 758 decks +75% synergy
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77% of 762 decks +72% synergy
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71% of 758 decks +71% synergy
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72% of 762 decks +69% synergy
Top Cards (10)
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76% of 762 decks +67% synergy
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72% of 762 decks +65% synergy
Assassin's Trophy
70% of 762 decks +64% synergy
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66% of 762 decks +61% synergy
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63% of 762 decks +60% synergy
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63% of 762 decks +56% synergy
Rise of the Witch-king
62% of 762 decks +61% synergy
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61% of 758 decks +59% synergy
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60% of 762 decks +48% synergy
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Creatures (50)
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58% of 762 decks +48% synergy
Lotus Cobra
58% of 762 decks +55% synergy
Braids, Arisen Nightmare
58% of 762 decks +54% synergy
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56% of 762 decks +51% synergy
Greensleeves, Maro-Sorcerer
51% of 762 decks +50% synergy
Galadriel of Lothlórien
50% of 6 decks +50% synergy
Lord of the Nazgûl
50% of 6 decks +49% synergy
Muldrotha, the Gravetide
50% of 6 decks +49% synergy
Tatyova, Benthic Druid
50% of 6 decks +48% synergy
Compy Swarm
49% of 187 decks +48% synergy
Birds of Paradise
46% of 762 decks +34% synergy
Dauthi Voidwalker
45% of 762 decks +40% synergy
Roaming Throne
43% of 187 decks +28% synergy
Cankerbloom
42% of 762 decks +37% synergy
Ob Nixilis, the Fallen
41% of 762 decks +40% synergy
Mosswood Dreadknight
41% of 268 decks +40% synergy
Tireless Tracker
39% of 762 decks +37% synergy
Haywire Mite
38% of 762 decks +36% synergy
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38% of 762 decks +36% synergy
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37% of 762 decks +35% synergy
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35% of 762 decks +32% synergy
Morbid Opportunist
34% of 762 decks +31% synergy
Jadar, Ghoulcaller of Nephalia
32% of 762 decks +31% synergy
Woe Strider
32% of 762 decks +31% synergy
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32% of 762 decks +22% synergy
Delighted Halfling
31% of 762 decks +24% synergy
Deathrite Shaman
31% of 762 decks +29% synergy
Meren of Clan Nel Toth
30% of 762 decks +29% synergy
Uruk-hai Berserker
28% of 762 decks +28% synergy
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26% of 762 decks +21% synergy
Blood Artist
26% of 762 decks +19% synergy
Pitiless Plunderer
23% of 762 decks +19% synergy
Elves of Deep Shadow
23% of 762 decks +20% synergy
Orcish Bowmasters
22% of 758 decks +16% synergy
Sheoldred
20% of 762 decks +18% synergy
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20% of 762 decks +18% synergy
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20% of 762 decks +19% synergy
Fiend Artisan
19% of 762 decks +19% synergy
Elvish Mystic
19% of 762 decks +10% synergy
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16% of 758 decks +16% synergy
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15% of 762 decks +14% synergy
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14% of 762 decks +12% synergy
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13% of 762 decks +11% synergy
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13% of 762 decks +12% synergy
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12% of 762 decks +10% synergy
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11% of 762 decks +4% synergy
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11% of 762 decks +9% synergy
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10% of 762 decks +9% synergy
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10% of 762 decks +9% synergy
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10% of 762 decks +8% synergy
Instants (29)
Sauron's Ransom
50% of 6 decks +49% synergy
Counterspell
50% of 6 decks +29% synergy
Village Rites
45% of 762 decks +40% synergy
Nasty End
41% of 758 decks +39% synergy
Deadly Dispute
39% of 762 decks +33% synergy
Heroic Intervention
37% of 762 decks +23% synergy
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29% of 762 decks +20% synergy
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27% of 762 decks +23% synergy
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26% of 762 decks +20% synergy
Gollum's Bite
25% of 762 decks +25% synergy
Deadly Rollick
22% of 762 decks +17% synergy
Crop Rotation
21% of 762 decks +16% synergy
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20% of 762 decks +16% synergy
Abrupt Decay
18% of 762 decks +16% synergy
Corrupted Conviction
17% of 762 decks +14% synergy
Entomb
14% of 762 decks +11% synergy
Putrefy
13% of 762 decks +10% synergy
Dark Ritual
13% of 762 decks +2% synergy
Tear Asunder
12% of 762 decks +10% synergy
Archdruid's Charm
11% of 95 decks +6% synergy
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10% of 762 decks +4% synergy
Noxious Revival
8% of 762 decks +6% synergy
Veil of Summer
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Harrow
7% of 762 decks +2% synergy
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6% of 762 decks +2% synergy
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6% of 50 decks +4% synergy
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Ringsight
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Diabolic Intent
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42% of 762 decks +34% synergy
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41% of 762 decks +35% synergy
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37% of 762 decks +36% synergy
Demonic Tutor
35% of 762 decks +23% synergy
Breach the Multiverse
31% of 762 decks +29% synergy
Cultivate
28% of 762 decks +6% synergy
Nature's Lore
25% of 762 decks +11% synergy
Bala Ged Recovery
22% of 762 decks +17% synergy
Torment of Hailfire
21% of 762 decks +18% synergy
Three Visits
20% of 762 decks +9% synergy
Rampant Growth
18% of 762 decks +2% synergy
Damnation
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16% of 301 decks +14% synergy
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14% of 762 decks +11% synergy
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12% of 762 decks +8% synergy
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11% of 762 decks -4% synergy
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9% of 758 decks +9% synergy
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9% of 762 decks +6% synergy
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Deadly Brew
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Nuclear Fallout
8% of 50 decks +4% synergy
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8% of 40 decks +7% synergy
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Lightning Greaves
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Tarrian's Journal
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6% of 762 decks +3% synergy
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Zendikar's Roil
57% of 762 decks +55% synergy
One Ring to Rule Them All
56% of 758 decks +55% synergy
Shortcut to Mushrooms
45% of 758 decks +45% synergy
Awakening Zone
43% of 762 decks +42% synergy
Spelunking
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15% of 762 decks +13% synergy
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15% of 762 decks +8% synergy
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Curse of the Restless Dead
13% of 762 decks +12% synergy
Grave Pact
13% of 762 decks +11% synergy
Compost
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10% of 762 decks +5% synergy
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9% of 762 decks +8% synergy
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Bloodbond March
8% of 762 decks +8% synergy
Necromancy
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Bastion of Remembrance
7% of 762 decks +4% synergy
Leyline of the Void
7% of 762 decks +6% synergy
Exploration
7% of 762 decks +3% synergy
Journey to Eternity
6% of 762 decks +5% synergy
Case of the Stashed Skeleton
6% of 98 decks +5% synergy
Attrition
6% of 762 decks +5% synergy
Guardian Project
6% of 762 decks +1% synergy
Planeswalkers (4)
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28% of 762 decks +28% synergy
Liliana, Dreadhorde General
13% of 762 decks +11% synergy
Vraska, Golgari Queen
7% of 762 decks +7% synergy
Grist, the Hunger Tide
6% of 762 decks +6% synergy
Utility Lands (21)
Urborg, Tomb of Yawgmoth
70% of 762 decks +59% synergy
Yavimaya, Cradle of Growth
68% of 762 decks +58% synergy
Bojuka Bog
62% of 762 decks +46% synergy
Phyrexian Tower
62% of 762 decks +58% synergy
Field of the Dead
57% of 762 decks +53% synergy
Boseiju, Who Endures
41% of 762 decks +32% synergy
Cabal Coffers
36% of 762 decks +30% synergy
High Market
33% of 762 decks +30% synergy
Takenuma, Abandoned Mire
27% of 762 decks +21% synergy
Barad-dûr
23% of 758 decks +21% synergy
Reliquary Tower
20% of 762 decks -9% synergy
Ancient Tomb
13% of 762 decks +2% synergy
Grim Backwoods
12% of 762 decks +11% synergy
Minas Morgul, Dark Fortress
12% of 192 decks +10% synergy
Urza's Saga
10% of 762 decks +3% synergy
The Shire
9% of 758 decks +7% synergy
Castle Locthwain
9% of 762 decks +6% synergy
Strip Mine
9% of 762 decks +5% synergy
Restless Cottage
8% of 301 decks +7% synergy
Dryad Arbor
8% of 762 decks +6% synergy
Temple of the False God
7% of 762 decks -3% synergy
Mana Artifacts (7)
Sol Ring
84% of 762 decks -0% synergy
Arcane Signet
61% of 762 decks -10% synergy
Inherited Envelope
52% of 758 decks +51% synergy
Golgari Signet
15% of 762 decks +13% synergy
Talisman of Resilience
12% of 762 decks +10% synergy
Mana Crypt
11% of 762 decks -0% synergy
Chrome Mox
5% of 762 decks -1% synergy
Lands (39)
Command Tower
90% of 762 decks +17% synergy
Overgrown Tomb
77% of 762 decks +68% synergy
Woodland Cemetery
72% of 762 decks +66% synergy
Undergrowth Stadium
69% of 762 decks +63% synergy
Drowned Catacomb
67% of 6 decks +61% synergy
Rejuvenating Springs
67% of 6 decks +60% synergy
Breeding Pool
67% of 6 decks +57% synergy
Verdant Catacombs
64% of 762 decks +52% synergy
Underground Mortuary
61% of 79 decks +56% synergy
Llanowar Wastes
56% of 762 decks +51% synergy
Zagoth Triome
50% of 6 decks +46% synergy
Deathcap Glade
48% of 762 decks +45% synergy
Tainted Wood
36% of 762 decks +34% synergy
Golgari Rot Farm
35% of 762 decks +31% synergy
Fabled Passage
32% of 762 decks +22% synergy
Darkbore Pathway
31% of 762 decks +29% synergy
Twilight Mire
29% of 762 decks +27% synergy
Exotic Orchard
25% of 762 decks -10% synergy
Bayou
25% of 762 decks +22% synergy
Necroblossom Snarl
24% of 762 decks +22% synergy
Evolving Wilds
23% of 762 decks +1% synergy
Marsh Flats
20% of 762 decks +8% synergy
Misty Rainforest
20% of 762 decks +8% synergy
Temple of Malady
19% of 762 decks +16% synergy
Nurturing Peatland
18% of 762 decks +17% synergy
Terramorphic Expanse
18% of 762 decks +2% synergy
Prismatic Vista
16% of 762 decks +10% synergy
Wooded Foothills
16% of 762 decks +6% synergy
Myriad Landscape
16% of 762 decks -5% synergy
Windswept Heath
14% of 762 decks +4% synergy
Polluted Delta
14% of 762 decks +3% synergy
Bloodstained Mire
12% of 762 decks +3% synergy
Haunted Mire
12% of 762 decks +10% synergy
Woodland Chasm
10% of 762 decks +9% synergy
Viridescent Bog
10% of 50 decks +7% synergy
Blooming Marsh
10% of 762 decks +9% synergy
Reflecting Pool
8% of 762 decks +3% synergy
Riveteers Overlook
6% of 762 decks +4% synergy
Demolition Field
6% of 762 decks +2% synergy