Create X 1/2 green Spider creature tokens with reach, where X is the number of creatures attacking you. Prevent all combat damage that would be dealt this turn by non-Spider creatures.
{2}{G}{G}
Arasta of the Endless Web
Legendary Enchantment Creature - Spider
Reach
Whenever an opponent casts an instant or sorcery spell, create a 1/2 green Spider creature token with reach.
3 /
5
{2}
Arcane Signet
Artifact
{T}: Add one mana of any color in your commander's color identity.
{5}{G}{G}
Archweaver
Creature - Spider
Reach, trample
5 /
5
{1}{G}
Assault Formation
Enchantment
Each creature you control assigns combat damage equal to its toughness rather than its power.
{G}: Target creature with defender can attack this turn as though it didn't have defender.
{2}{G}: Creatures you control get +0/+1 until end of turn.
{2}{G}
Blex, Vexing Pest
Legendary Creature - Pest
Other Pests, Bats, Insects, Snakes, and Spiders you control get +1/+1.
When Blex, Vexing Pest dies, you gain 4 life.
3 /
2
--
Search for Blex
Sorcery
Look at the top five cards of your library. You may put any number of them into your hand and the rest into your graveyard. You lose 3 life for each card you put into your hand this way.
3 /
2
{3}{B}
Blood Reckoning
Enchantment
Whenever a creature attacks you or a planeswalker you control, that creature's controller loses 1 life.
{1}{G}{G}
Bow of Nylea
Legendary Enchantment Artifact
Attacking creatures you control have deathtouch.
{1}{G}, {T}: Choose one --
• Put a +1/+1 counter on target creature.
• Bow of Nylea deals 2 damage to target creature with flying.
• You gain 3 life.
• Put up to four target cards from your graveyard on the bottom of your library in any order.
{G}
Chainweb Aracnir
Creature - Spider
Reach
When Chainweb Aracnir enters the battlefield, it deals damage equal to its power to target creature with flying an opponent controls.
Escape--{3}{G}{G}, Exile four other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)
Chainweb Aracnir escapes with three +1/+1 counters on it.
1 /
2
--
Cinder Glade
Land - Mountain Forest
({T}: Add {R} or {G}.)
Cinder Glade enters the battlefield tapped unless you control two or more basic lands.
{2}{G}
Colossal Majesty
Enchantment
At the beginning of your upkeep, if you control a creature with power 4 or greater, draw a card.
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{3}
Crawlspace
Artifact
No more than two creatures can attack you each combat.
{2}{G}
Curse of Clinging Webs
Enchantment - Aura Curse
Enchant player
Whenever a nontoken creature enchanted player controls dies, exile it and you create a 1/2 green Spider creature token with reach.
{1}{G}
Deadly Recluse
Creature - Spider
Reach (This creature can block creatures with flying.)
Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)
1 /
2
{5}{R}{R}
Disaster Radius
Sorcery
As an additional cost to cast this spell, reveal a creature card from your hand.
Disaster Radius deals X damage to each creature your opponents control, where X is the revealed card's mana value.
{2}
Dolmen Gate
Artifact
Prevent all combat damage that would be dealt to attacking creatures you control.
{4}{B}{B}
Doom Weaver
Creature - Spider Horror
Reach
Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.)
As long as Doom Weaver is paired with another creature, each of those creatures has "When this creature dies, draw cards equal to its power."
1 /
8
{4}
Door of Destinies
Artifact
As Door of Destinies enters the battlefield, choose a creature type.
Whenever you cast a spell of the chosen type, put a charge counter on Door of Destinies.
Creatures you control of the chosen type get +1/+1 for each charge counter on Door of Destinies.
{2}{R}{R}{G}{G}
Dragonlair Spider
Creature - Spider
Reach
Whenever an opponent casts a spell, create a 1/1 green Insect creature token.
5 /
6
{3}{B}{B}{B}
Dread
Creature - Elemental Incarnation
Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
Whenever a creature deals damage to you, destroy it.
When Dread is put into a graveyard from anywhere, shuffle it into its owner's library.
6 /
6
{4}{B}
Drider
Creature - Elf Spider
Reach
Whenever Drider deals combat damage to a player, create a 2/1 black Spider creature token with menace and reach.
4 /
3
--
Exotic Orchard
Land
{T}: Add one mana of any color that a land an opponent controls could produce.
{4}{B}{B}
Extinguish All Hope
Sorcery
Destroy all nonenchantment creatures.
{1}{G}
Farseek
Sorcery
Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.
{5}
Farsight Mask
Artifact
Whenever a source an opponent controls deals damage to you, if Farsight Mask is untapped, you may draw a card.
--
Foreboding Ruins
Land
As Foreboding Ruins enters the battlefield, you may reveal a Swamp or Mountain card from your hand. If you don't, Foreboding Ruins enters the battlefield tapped.
{T}: Add {B} or {R}.
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Game Trail
Land
As Game Trail enters the battlefield, you may reveal a Mountain or Forest card from your hand. If you don't, Game Trail enters the battlefield tapped.
{T}: Add {R} or {G}.
{2}{G}
Garruk's Uprising
Enchantment
When Garruk's Uprising enters the battlefield, if you control a creature with power 4 or greater, draw a card.
Creatures you control have trample. (They can deal excess combat damage to the player or planeswalker they're attacking.)
Whenever a creature with power 4 or greater enters the battlefield under your control, draw a card.
{1}{R}{G}
Giant Trap Door Spider
Creature - Spider
{1}{R}{G}, {T}: Exile Giant Trap Door Spider and target creature without flying that's attacking you.
2 /
3
--
Golgari Rot Farm
Land
Golgari Rot Farm enters the battlefield tapped.
When Golgari Rot Farm enters the battlefield, return a land you control to its owner's hand.
{T}: Add {B}{G}.
{2}
Golgari Signet
Artifact
{1}, {T}: Add {B}{G}.
{6}{G}{G}
Goliath Spider
Creature - Spider
Reach (This creature can block creatures with flying.)
7 /
6
{3}{G}
Graverobber Spider
Creature - Spider
Reach
{3}{B}: Graverobber Spider gets +X/+X until end of turn, where X is the number of creature cards in your graveyard. Activate only once each turn.
2 /
4
{2}
Gruul Signet
Artifact
{1}, {T}: Add {R}{G}.
--
Gruul Turf
Land
Gruul Turf enters the battlefield tapped.
When Gruul Turf enters the battlefield, return a land you control to its owner's hand.
{T}: Add {R}{G}.
{5}{G}{G}
Hatchery Spider
Creature - Spider
Reach
Undergrowth -- When you cast this spell, reveal the top X cards of your library, where X is the number of creature cards in your graveyard. You may put a green permanent card with mana value X or less from among them onto the battlefield. Put the rest on the bottom of your library in a random order.
5 /
7
{2}{B}
Hellish Rebuke
Instant
Until end of turn, permanents your opponents control gain "When this permanent deals damage to the player who cast Hellish Rebuke, sacrifice this permanent. You lose 2 life."
{1}{B}{B}
Hissing Miasma
Enchantment
Whenever a creature attacks you, its controller loses 1 life.
{2}{G}
Hunter's Insight
Instant
Choose target creature you control. Whenever that creature deals combat damage to a player or planeswalker this turn, draw that many cards.
{4}{G}
Ishkanah, Grafwidow
Legendary Creature - Spider
Reach
Delirium -- When Ishkanah, Grafwidow enters the battlefield, if there are four or more card types among cards in your graveyard, create three 1/2 green Spider creature tokens with reach.
{6}{B}: Target opponent loses 1 life for each Spider you control.
3 /
5
--
Karplusan Forest
Land
{T}: Add {C}.
{T}: Add {R} or {G}. Karplusan Forest deals 1 damage to you.
{2}{B}{B}
Koskun Falls
World Enchantment
At the beginning of your upkeep, sacrifice Koskun Falls unless you tap an untapped creature you control.
Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.
--
Labyrinth of Skophos
Land
{T}: Add {C}.
{4}, {T}: Remove target attacking or blocking creature from combat.
{X}{B}{R}{G}
Lavalanche
Sorcery
Lavalanche deals X damage to target player or planeswalker and each creature that player or that planeswalker's controller controls.
{2}{G}
Llanowar Greenwidow
Creature - Spider
Reach, trample
Domain -- {7}{G}: Return Llanowar Greenwidow from your graveyard to the battlefield tapped. It gains "If this permanent would leave the battlefield, exile it instead of putting it anywhere else." This ability costs {1} less to activate for each basic land type among lands you control.
4 /
3
--
Llanowar Wastes
Land
{T}: Add {C}.
{T}: Add {B} or {G}. Llanowar Wastes deals 1 damage to you.
--
Mossfire Valley
Land
{1}, {T}: Add {R}{G}.
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain Valley
Land
Mountain Valley enters the battlefield tapped.
{T}, Sacrifice Mountain Valley: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle.
{1}{G}{G}
Mwonvuli Beast Tracker
Creature - Human Scout
When Mwonvuli Beast Tracker enters the battlefield, search your library for a creature card with deathtouch, hexproof, reach, or trample and reveal it. Shuffle and put that card on top.
2 /
1
--
Mystifying Maze
Land
{T}: Add {C}.
{4}, {T}: Exile target attacking creature an opponent controls. At the beginning of the next end step, return it to the battlefield tapped under its owner's control.
--
Necroblossom Snarl
Land
As Necroblossom Snarl enters the battlefield, you may reveal a Swamp or Forest card from your hand. If you don't, Necroblossom Snarl enters the battlefield tapped.
{T}: Add {B} or {G}.
{2}{B}{B}
No Mercy
Enchantment
Whenever a creature deals damage to you, destroy it.
{1}{B}{G}
Nyx Weaver
Enchantment Creature - Spider
Reach
At the beginning of your upkeep, mill two cards.
{1}{B}{G}, Exile Nyx Weaver: Return target card from your graveyard to your hand.
2 /
3
{2}{G}
Oran-Rief Recluse
Creature - Spider
Kicker {2}{G} (You may pay an additional {2}{G} as you cast this spell.)
Reach (This creature can block creatures with flying.)
When Oran-Rief Recluse enters the battlefield, if it was kicked, destroy target creature with flying.
1 /
3
{3}{G}{G}
Overwhelming Stampede
Sorcery
Until end of turn, creatures you control gain trample and get +X/+X, where X is the greatest power among creatures you control.
--
Rakdos Carnarium
Land
Rakdos Carnarium enters the battlefield tapped.
When Rakdos Carnarium enters the battlefield, return a land you control to its owner's hand.
{T}: Add {B}{R}.
{2}
Rakdos Signet
Artifact
{1}, {T}: Add {B}{R}.
{3}{B}
Revenge of Ravens
Enchantment
Whenever a creature attacks you or a planeswalker you control, that creature's controller loses 1 life and you gain 1 life.
--
Rocky Tar Pit
Land
Rocky Tar Pit enters the battlefield tapped.
{T}, Sacrifice Rocky Tar Pit: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.
{2}{B}{G}
Rotwidow Pack
Creature - Spider
Reach
{3}{B}{G}, Exile a creature card from your graveyard: Create a 1/2 green Spider creature token with reach, then each opponent loses 1 life for each Spider you control.
2 /
4
{1}{G}
Sakura-Tribe Elder
Creature - Snake Shaman
Sacrifice Sakura-Tribe Elder: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
1 /
1
{X}{R}{G}
Savage Twister
Sorcery
Savage Twister deals X damage to each creature.
{3}{G}{G}
Sentinel Spider
Creature - Spider
Vigilance, reach
4 /
4
--
Shadowblood Ridge
Land
{1}, {T}: Add {B}{R}.
{4}
Silent Arbiter
Artifact Creature - Construct
No more than one creature can attack each combat.
No more than one creature can block each combat.
1 /
5
{3}{G}{G}
Silklash Spider
Creature - Spider
Reach
{X}{G}{G}: Silklash Spider deals X damage to each creature with flying.
2 /
7
--
Skarrg, the Rage Pits
Land
{T}: Add {C}.
{R}{G}, {T}: Target creature gets +1/+1 and gains trample until end of turn.
{2}{B}{G}
Skyfisher Spider
Creature - Spider
Reach
When Skyfisher Spider enters the battlefield, you may sacrifice another creature. When you do, destroy target nonland permanent.
When Skyfisher Spider dies, you may gain 1 life for each creature card in your graveyard. If you do, exile Skyfisher Spider from your graveyard.
3 /
3
{4}{G}{G}
Skysnare Spider
Creature - Spider
Vigilance (Attacking doesn't cause this creature to tap.)
Reach (This creature can block creatures with flying.)
6 /
6
--
Smoldering Marsh
Land - Swamp Mountain
({T}: Add {B} or {R}.)
Smoldering Marsh enters the battlefield tapped unless you control two or more basic lands.
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{4}{G}
Spider Spawning
Sorcery
Create a 1/2 green Spider creature token with reach for each creature card in your graveyard.
Flashback {6}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{B/G}{ // }{2}{B}{G}
Status // Statue
Instant // Instant
Target creature gets +1/+1 and gains deathtouch until end of turn.
Destroy target artifact, creature, or enchantment.
{4}{G}
Stingerfling Spider
Creature - Spider
Reach
When Stingerfling Spider enters the battlefield, you may destroy target creature with flying.
2 /
5
--
Sulfurous Springs
Land
{T}: Add {C}.
{T}: Add {B} or {R}. Sulfurous Springs deals 1 damage to you.
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swarmyard
Land
{T}: Add {C}.
{T}: Regenerate target Insect, Rat, Spider, or Squirrel. (The next time it would be destroyed, instead tap it, remove it from combat, and heal all damage on it.)
{4}{G}{G}
Sweet-Gum Recluse
Creature - Spider
Flash
Cascade
Reach
When Sweet-Gum Recluse enters the battlefield, put three +1/+1 counters on each of any number of target creatures that entered the battlefield this turn.
0 /
3
{2}
Swiftfoot Boots
Artifact - Equipment
Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)
Equip {1}
--
Temple of Malady
Land
Temple of Malady enters the battlefield tapped.
When Temple of Malady enters the battlefield, scry 1.
{T}: Add {B} or {G}.
--
Temple of Malice
Land
Temple of Malice enters the battlefield tapped.
When Temple of Malice enters the battlefield, scry 1.
{T}: Add {B} or {R}.
{3}{B}{R}{G}
Thantis, the Warweaver
Legendary Creature - Spider
Vigilance, reach
All creatures attack each combat if able.
Whenever a creature attacks you or a planeswalker you control, put a +1/+1 counter on Thantis, the Warweaver.
5 /
5
{2}{G}{G}
Triumph of the Hordes
Sorcery
Until end of turn, creatures you control get +1/+1 and gain trample and infect. (Creatures with infect deal damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
{2}{G}
Twin-Silk Spider
Creature - Spider
Reach
When Twin-Silk Spider enters the battlefield, create a 1/2 green Spider creature token with reach.
1 /
2
{3}{B}{G}
Vraska the Unseen
Legendary Planeswalker - Vraska
+1: Until your next turn, whenever a creature deals combat damage to Vraska the Unseen, destroy that creature.
-3: Destroy target nonland permanent.
-7: Create three 1/1 black Assassin creature tokens with "Whenever this creature deals combat damage to a player, that player loses the game."