Nim Deathmantle + Ashnod's Altar + Penumbra Spider

Nim Deathmantle
Ashnod's Altar
Penumbra Spider

Requires
Nim Deathmantle must be on the battlefield. Ashnod's Altar must be on the battlefield. Penumbra Spider must be on the battlefield.
Steps
  1. Activate Ashnod's Altar by sacrificing Penumbra Spider, adding cc.
  2. When Penumbra Spider dies, it and Nim Deathmantle triggers.
  3. Resolve the Penumbra Spider trigger, creating a 2/4 Spider creature token.
  4. Activate Ashnod's Altar by sacrificing the Spider, adding cc.
  5. Resolve the Nim Deathmantle trigger from step 2, causing you to pay 4 to return Penumbra Spider from your graveyard to the battlefield, and attach Nim Deathmantle to it.
  6. Repeat.
Results
Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Top Commanders (2)
Ishkanah, Grafwidow
5.32% of 1166 decks 62 decks
Shelob, Child of Ungoliant
1.77% of 7287 decks 129 decks
Top Cards (10)
Arasta of the Endless Web
96% of 191 decks +94% synergy
Twin-Silk Spider
93% of 192 decks +92% synergy
Rotwidow Pack
90% of 192 decks +90% synergy
Arachnogenesis
83% of 194 decks +82% synergy
Skyfisher Spider
82% of 176 decks +82% synergy
Curse of Clinging Webs
79% of 189 decks +79% synergy
Spider Spawning
74% of 194 decks +74% synergy
Lolth, Spider Queen
74% of 190 decks +73% synergy
Shelob, Dread Weaver
74% of 136 decks +73% synergy
Doom Weaver
73% of 188 decks +73% synergy
Creatures (50)
Dragonlair Spider
100% of 3 decks +100% synergy
Sweet-Gum Recluse
72% of 191 decks +72% synergy
Silklash Spider
72% of 194 decks +71% synergy
Brood Weaver
71% of 189 decks +71% synergy
Chainweb Aracnir
67% of 191 decks +67% synergy
Ishkanah, Grafwidow
66% of 194 decks +66% synergy
Drider
62% of 190 decks +61% synergy
Deadly Recluse
61% of 194 decks +60% synergy
Nyx Weaver
56% of 194 decks +55% synergy
Roaming Throne
55% of 22 decks +38% synergy
Sporeweb Weaver
54% of 191 decks +54% synergy
Watcher in the Web
51% of 194 decks +50% synergy
Hatchery Spider
48% of 193 decks +48% synergy
Obelisk Spider
45% of 194 decks +45% synergy
Peregrin Took
45% of 136 decks +42% synergy
Izoni, Center of the Web
42% of 12 decks +41% synergy
Realmwalker
41% of 190 decks +38% synergy
Ruins Recluse
39% of 154 decks +39% synergy
Ulvenwald Tracker
37% of 194 decks +36% synergy
Masked Vandal
36% of 190 decks +34% synergy
Eternal Witness
36% of 194 decks +25% synergy
Devoted Druid
35% of 194 decks +34% synergy
Gyome, Master Chef
32% of 190 decks +31% synergy
Arachnus Spinner
31% of 194 decks +31% synergy
Llanowar Greenwidow
31% of 179 decks +31% synergy
Mirkwood Spider
30% of 138 decks +30% synergy
Fynn, the Fangbearer
29% of 190 decks +29% synergy
Blex, Vexing Pest
29% of 190 decks +29% synergy
Graverobber Spider
27% of 194 decks +27% synergy
Mineshaft Spider
27% of 22 decks +27% synergy
Jaheira, Friend of the Forest
27% of 180 decks +25% synergy
Juvenile Gloomwidow
25% of 194 decks +25% synergy
Blightwidow
24% of 194 decks +24% synergy
Hoarding Recluse
23% of 169 decks +23% synergy
Pippin, Warden of Isengard
21% of 138 decks +20% synergy
Skysnare Spider
20% of 194 decks +20% synergy
Academy Manufactor
19% of 190 decks +16% synergy
Craterhoof Behemoth
19% of 194 decks +16% synergy
Gilded Goose
19% of 191 decks +17% synergy
Graveshifter
19% of 192 decks +18% synergy
Metallic Mimic
19% of 194 decks +17% synergy
Stingerfling Spider
18% of 194 decks +18% synergy
Kessig Recluse
18% of 194 decks +17% synergy
Sakura-Tribe Elder
17% of 194 decks +8% synergy
Mirkwood Bats
17% of 136 decks +10% synergy
Acid Web Spider
16% of 194 decks +16% synergy
Adaptive Automaton
16% of 194 decks +15% synergy
Webspinner Cuff
15% of 187 decks +15% synergy
Fauna Shaman
15% of 194 decks +13% synergy
Shelob, Child of Ungoliant
14% of 139 decks +14% synergy
Instants (41)
Beast Within
54% of 194 decks +35% synergy
Heroic Intervention
50% of 194 decks +36% synergy
Assassin's Trophy
47% of 193 decks +41% synergy
Golgari Charm
34% of 194 decks +32% synergy
Vampiric Tutor
33% of 194 decks +23% synergy
Setessan Tactics
32% of 194 decks +32% synergy
Second Harvest
30% of 194 decks +28% synergy
Malakir Rebirth
28% of 191 decks +23% synergy
Cosmic Hunger
27% of 154 decks +27% synergy
Putrefy
27% of 194 decks +23% synergy
Archdruid's Charm
25% of 12 decks +20% synergy
Grisly Salvage
24% of 194 decks +23% synergy
Khalni Ambush
23% of 191 decks +21% synergy
Dark Ritual
22% of 194 decks +11% synergy
Harrow
22% of 194 decks +17% synergy
Prizefight
20% of 181 decks +20% synergy
Bite Down
19% of 178 decks +18% synergy
Kindred Summons
19% of 193 decks +18% synergy
Grapple with the Past
16% of 194 decks +16% synergy
Return of the Wildspeaker
15% of 191 decks +9% synergy
Entish Restoration
14% of 139 decks +9% synergy
Terrifying Presence
13% of 194 decks +13% synergy
Worldly Tutor
13% of 194 decks +7% synergy
Crop Rotation
13% of 194 decks +8% synergy
Nature's Claim
12% of 194 decks +7% synergy
Shelob's Ambush
12% of 136 decks +11% synergy
Tear Asunder
11% of 178 decks +10% synergy
Deadly Dispute
11% of 190 decks +5% synergy
Fog
11% of 194 decks +10% synergy
Krosan Grip
11% of 194 decks +6% synergy
Deathsprout
10% of 192 decks +9% synergy
Stew the Coneys
10% of 136 decks +9% synergy
Abrupt Decay
9% of 194 decks +6% synergy
Village Rites
8% of 191 decks +2% synergy
Return to Nature
8% of 192 decks +4% synergy
For the Ancestors
8% of 39 decks +7% synergy
Deadly Rollick
7% of 191 decks +2% synergy
Master's Rebuke
7% of 184 decks +6% synergy
Infectious Bite
6% of 160 decks +5% synergy
Ram Through
5% of 191 decks +4% synergy
Wrap in Vigor
5% of 194 decks +4% synergy
Sorceries (50)
Cultivate
61% of 194 decks +38% synergy
Nature's Lore
46% of 194 decks +32% synergy
Rampant Growth
46% of 194 decks +29% synergy
Three Visits
44% of 194 decks +33% synergy
Kodama's Reach
41% of 194 decks +25% synergy
Demonic Tutor
34% of 194 decks +21% synergy
Bala Ged Recovery
30% of 191 decks +25% synergy
Farseek
28% of 194 decks +13% synergy
Last March of the Ents
28% of 136 decks +25% synergy
Shamanic Revelation
26% of 194 decks +22% synergy
Reanimate
25% of 194 decks +18% synergy
Night's Whisper
22% of 194 decks +17% synergy
Toxic Deluge
21% of 194 decks +13% synergy
Patriarch's Bidding
21% of 194 decks +19% synergy
Kindred Dominance
19% of 193 decks +18% synergy
Torment of Hailfire
19% of 194 decks +16% synergy
Spider Food
19% of 27 decks +18% synergy
Diabolic Intent
18% of 194 decks +13% synergy
Rishkar's Expertise
18% of 194 decks +12% synergy
Bushwhack
16% of 176 decks +15% synergy
Roar of Challenge
15% of 194 decks +15% synergy
Traverse the Ulvenwald
15% of 194 decks +15% synergy
Triumph of the Hordes
14% of 194 decks +12% synergy
Contest of Claws
13% of 23 decks +12% synergy
Read the Bones
13% of 194 decks +8% synergy
Harmonize
13% of 194 decks +8% synergy
Victimize
13% of 194 decks +7% synergy
Damnation
12% of 194 decks +8% synergy
Rise of the Witch-king
12% of 139 decks +11% synergy
Culling Ritual
12% of 190 decks +10% synergy
Diabolic Tutor
12% of 194 decks +8% synergy
Far Wanderings
11% of 194 decks +11% synergy
Titania's Command
11% of 169 decks +10% synergy
Regrowth
10% of 194 decks +8% synergy
Casualties of War
10% of 192 decks +9% synergy
Skyshroud Claim
10% of 194 decks +5% synergy
Sign in Blood
10% of 194 decks +5% synergy
Crippling Fear
9% of 190 decks +8% synergy
Grim Tutor
9% of 194 decks +6% synergy
Dig Up
9% of 188 decks +8% synergy
Beseech the Mirror
8% of 37 decks +5% synergy
Life from the Loam
8% of 194 decks +6% synergy
Dread Return
8% of 194 decks +5% synergy
Mulch
7% of 194 decks +7% synergy
Overwhelming Stampede
7% of 194 decks +5% synergy
Spinning Wheel Kick
7% of 187 decks +7% synergy
In Garruk's Wake
7% of 194 decks +5% synergy
Animist's Might
6% of 140 decks +6% synergy
Treasured Find
6% of 194 decks +6% synergy
Explosive Vegetation
6% of 194 decks +5% synergy
Utility Artifacts (26)
Nuka-Cola Vending Machine
60% of 5 decks +55% synergy
Viridian Longbow
54% of 194 decks +53% synergy
Thornbite Staff
44% of 194 decks +43% synergy
Pathway Arrows
29% of 194 decks +29% synergy
Herald's Horn
26% of 193 decks +20% synergy
The Great Henge
25% of 191 decks +20% synergy
Swiftfoot Boots
17% of 194 decks -11% synergy
Icon of Ancestry
17% of 191 decks +16% synergy
Vanquisher's Banner
17% of 193 decks +12% synergy
Conjurer's Closet
16% of 194 decks +14% synergy
Urza's Incubator
16% of 194 decks +14% synergy
Maskwood Nexus
15% of 190 decks +12% synergy
Conduit of Worlds
12% of 161 decks +9% synergy
Matzalantli, the Great Door
12% of 25 decks +10% synergy
Lightning Greaves
11% of 194 decks -14% synergy
Lifecrafter's Bestiary
10% of 194 decks +8% synergy
Boxing Ring
9% of 181 decks +9% synergy
Coat of Arms
9% of 194 decks +7% synergy
Nemesis Mask
8% of 194 decks +8% synergy
Door of Destinies
8% of 194 decks +6% synergy
Bow of Nylea
7% of 194 decks +6% synergy
Panharmonicon
7% of 194 decks +3% synergy
Rhonas's Monument
7% of 194 decks +5% synergy
Obelisk of Urd
6% of 194 decks +5% synergy
The One Ring
6% of 156 decks -3% synergy
Mithril Coat
5% of 138 decks -1% synergy
Enchantments (28)
Parallel Lives
50% of 194 decks +47% synergy
Doubling Season
41% of 194 decks +37% synergy
Assault Formation
35% of 194 decks +34% synergy
Beastmaster Ascension
34% of 194 decks +31% synergy
Black Market Connections
33% of 180 decks +28% synergy
Arachnus Web
32% of 194 decks +32% synergy
Night of the Sweets' Revenge
30% of 30 decks +28% synergy
Growing Rites of Itlimoc
29% of 193 decks +27% synergy
Moldervine Reclamation
27% of 191 decks +25% synergy
Guardian Project
26% of 193 decks +22% synergy
Tribute to the World Tree
21% of 156 decks +16% synergy
The Meathook Massacre
19% of 189 decks +16% synergy
Phyrexian Arena
19% of 194 decks +11% synergy
Wild Growth
18% of 194 decks +13% synergy
Utopia Sprawl
16% of 194 decks +13% synergy
Sylvan Library
15% of 194 decks +9% synergy
Deadbridge Chant
14% of 194 decks +14% synergy
Cryptolith Rite
14% of 194 decks +12% synergy
Journey to Eternity
13% of 193 decks +12% synergy
Deathreap Ritual
12% of 194 decks +11% synergy
Sylvan Anthem
12% of 190 decks +11% synergy
Binding the Old Gods
9% of 190 decks +8% synergy
Wilderness Reclamation
8% of 193 decks +6% synergy
Lure
6% of 194 decks +6% synergy
Elven Chorus
6% of 139 decks +3% synergy
Hidden Spider
6% of 194 decks +6% synergy
Phyrexian Reclamation
6% of 194 decks +4% synergy
Sanguine Bond
5% of 194 decks +2% synergy
Planeswalkers (2)
Vraska, Golgari Queen
11% of 193 decks +10% synergy
Vraska, Swarm's Eminence
5% of 192 decks +5% synergy
Utility Lands (32)
Swarmyard
77% of 194 decks +76% synergy
Bojuka Bog
58% of 194 decks +42% synergy
The Shire
47% of 136 decks +44% synergy
Urborg, Tomb of Yawgmoth
45% of 194 decks +35% synergy
Yavimaya, Cradle of Growth
45% of 190 decks +36% synergy
Restless Cottage
35% of 37 decks +34% synergy
Cabal Coffers
35% of 194 decks +29% synergy
Boseiju, Who Endures
28% of 187 decks +19% synergy
Buried Ruin
24% of 194 decks +18% synergy
Reliquary Tower
23% of 194 decks -5% synergy
Takenuma, Abandoned Mire
21% of 187 decks +15% synergy
Castle Garenbrig
17% of 191 decks +15% synergy
Grim Backwoods
16% of 194 decks +15% synergy
Oran-Rief, the Vastwood
15% of 194 decks +13% synergy
Rogue's Passage
14% of 194 decks -4% synergy
Geier Reach Sanitarium
13% of 194 decks +10% synergy
Temple of the False God
13% of 194 decks +3% synergy
Urza's Saga
11% of 190 decks +3% synergy
Gaea's Cradle
10% of 194 decks +8% synergy
Castle Locthwain
10% of 191 decks +7% synergy
Tranquil Thicket
9% of 194 decks +8% synergy
Ancient Tomb
9% of 194 decks -2% synergy
Phyrexian Tower
8% of 194 decks +4% synergy
Arena
8% of 194 decks +8% synergy
Tree of Tales
8% of 194 decks +7% synergy
Barren Moor
8% of 194 decks +6% synergy
Vault of Whispers
7% of 194 decks +5% synergy
Mutavault
7% of 194 decks +6% synergy
Nykthos, Shrine to Nyx
6% of 194 decks +0% synergy
Mortuary Mire
6% of 194 decks +3% synergy
Dakmor Salvage
5% of 194 decks +4% synergy
Mosswort Bridge
5% of 194 decks +0% synergy
Mana Artifacts (8)
Sol Ring
94% of 194 decks +10% synergy
Arcane Signet
70% of 191 decks -1% synergy
Golgari Signet
32% of 194 decks +29% synergy
Talisman of Resilience
30% of 192 decks +28% synergy
Jeweled Lotus
15% of 191 decks +8% synergy
Commander's Sphere
15% of 194 decks -2% synergy
Mana Crypt
10% of 194 decks -1% synergy
Mind Stone
6% of 194 decks -12% synergy
Lands (36)
Command Tower
89% of 194 decks +16% synergy
Woodland Cemetery
67% of 194 decks +62% synergy
Overgrown Tomb
62% of 194 decks +53% synergy
Verdant Catacombs
48% of 194 decks +36% synergy
Path of Ancestry
47% of 193 decks +27% synergy
Undergrowth Stadium
47% of 191 decks +41% synergy
Llanowar Wastes
45% of 194 decks +40% synergy
Darkbore Pathway
37% of 191 decks +35% synergy
Deathcap Glade
36% of 188 decks +33% synergy
Golgari Rot Farm
35% of 194 decks +31% synergy
Tainted Wood
34% of 194 decks +32% synergy
Temple of Malady
31% of 194 decks +28% synergy
Fabled Passage
28% of 191 decks +19% synergy
Necroblossom Snarl
28% of 190 decks +26% synergy
Evolving Wilds
25% of 194 decks +4% synergy
Underground Mortuary
25% of 12 decks +20% synergy
Cavern of Souls
24% of 194 decks +18% synergy
Twilight Mire
24% of 194 decks +22% synergy
Terramorphic Expanse
20% of 194 decks +4% synergy
Myriad Landscape
20% of 194 decks -2% synergy
Exotic Orchard
19% of 194 decks -16% synergy
Unclaimed Territory
18% of 193 decks +13% synergy
Bayou
16% of 194 decks +13% synergy
Haunted Mire
13% of 178 decks +12% synergy
Blooming Marsh
13% of 194 decks +13% synergy
Secluded Courtyard
13% of 184 decks +9% synergy
Nurturing Peatland
13% of 192 decks +12% synergy
Jungle Hollow
13% of 194 decks +11% synergy
Blighted Woodland
12% of 194 decks +8% synergy
Woodland Chasm
10% of 190 decks +9% synergy
Windswept Heath
7% of 194 decks -3% synergy
Prismatic Vista
6% of 192 decks +0% synergy
Marsh Flats
6% of 194 decks -6% synergy
Ash Barrens
6% of 194 decks +1% synergy
Wooded Foothills
6% of 194 decks -4% synergy
Golgari Guildgate
5% of 194 decks +4% synergy