Ezekiel Sims, Spider-Totem

Reach
At the beginning of combat on your turn, target Spider you control gets +2/+2 until end of turn.

Strength of Will

Until end of turn, target creature you control gains indestructible and "Whenever this creature is dealt damage, put that many +1/+1 counters on it."

Spider-Man 2099

From the Future — You can't cast Spider-Man 2099 during your first, second, or third turns of the game.
Double strike, vigilance
At the beginning of your end step, if you've played a land or cast a spell this turn from anywhere other than your hand, Spider-Man 2099 deals damage equal to his power to any target.

Web-Warriors

When this creature enters, put a +1/+1 counter on each other creature you control.

Spider-UK

Web-slinging {2}{W} (You may cast this spell for {2}{W} if you also return a tapped creature you control to its owner's hand.)
At the beginning of your end step, if two or more creatures entered the battlefield under your control this turn, you draw a card and gain 2 life.

Command Tower

{T}: Add one mana of any color in your commander's color identity.

Sol Ring

Costume Closet

This artifact enters with two +1/+1 counters on it.
{T}: Move a +1/+1 counter from this artifact onto target creature you control. Activate only as a sorcery.
Whenever a modified creature you control leaves the battlefield, put a +1/+1 counter on this artifact. (Equipment, Auras you control, and counters are modifications.)

Skyward Spider

Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)
This creature has flying as long as it's modified. (Equipment, Auras you control, and counters are modifications.)

Aunt May

Whenever another creature you control enters, you gain 1 life. If it's a Spider, put a +1/+1 counter on it.

Evolving Wilds

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Starling, Aerial Ally

Flying
When Starling enters, another target creature you control gains flying until end of turn.

Cosmic Spider-Man

Flying, first strike, trample, lifelink, haste
At the beginning of combat on your turn, other Spiders you control gain flying, first strike, trample, lifelink, and haste until end of turn.

Terramorphic Expanse

Spectral Searchlight

{T}: Choose a player. That player adds one mana of any color they choose.

Origin of Spider-Man

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Create a 2/1 green Spider creature token with reach.
II — Put a +1/+1 counter on target creature you control. It becomes a legendary Spider Hero in addition to its other types.
III — Target creature you control gains double strike until end of turn.

Pictures of Spider-Man

When this artifact enters, look at the top five cards of your library. You may reveal up to two creature cards from among them and put them into your hand. Put the rest on the bottom of your library in a random order.
{1}, {T}, Sacrifice this artifact: Create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Arachne, Psionic Weaver

Web-slinging {W} (You may cast this spell for {W} if you also return a tapped creature you control to its owner's hand.)
As Arachne enters, look at an opponent's hand, then choose a card type other than creature.
Spells of the chosen type cost {1} more to cast.

Spider-Girl, Legacy Hero

During your turn, Spider-Girl has flying.
When Spider-Girl leaves the battlefield, create a 1/1 green and white Human Citizen creature token.

Mountain

Secret Identity

Choose one —
• Conceal — Until end of turn, target creature you control becomes a Citizen with base power and toughness 1/1 and gains hexproof.
• Reveal — Until end of turn, target creature you control becomes a Hero with base power and toughness 3/4 and gains flying and vigilance.

Spider-Gwen, Free Spirit

Reach
Whenever Spider-Gwen becomes tapped, you may discard a card. If you do, draw a card.

Spider-Man, Brooklyn Visionary

Web-slinging {2}{G} (You may cast this spell for {2}{G} if you also return a tapped creature you control to its owner's hand.)
When Spider-Man enters, search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Island

Vibrant Cityscape

Spider-Man India

Web-slinging {1}{G}{W} (You may cast this spell for {1}{G}{W} if you also return a tapped creature you control to its owner's hand.)
Pavitr's Sevā — Whenever you cast a creature spell, put a +1/+1 counter on target creature you control. It gains flying until end of turn.

Thwip!

Target creature gets +2/+2 and gains flying until end of turn. If it's a Spider, you gain 2 life.

Daily Bugle Reporters

When this creature enters, choose one —
• Puff Piece — Put a +1/+1 counter on each of up to two target creatures.
• Investigative Journalism — Return target creature card with mana value 2 or less from your graveyard to your hand.

Silkguard

Put a +1/+1 counter on each of up to X target creatures you control.
Auras, Equipment, and modified creatures you control gain hexproof until end of turn. (Equipment, Auras you control, and counters are modifications.)

Web of Life and Destiny

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
At the beginning of combat on your turn, look at the top five cards of your library. You may put a creature card from among them onto the battlefield. Put the rest on the bottom of your library in a random order.

SP//dr, Piloted by Peni

Vigilance
When SP//dr enters, put a +1/+1 counter on target creature.
Whenever a modified creature you control deals combat damage to a player, draw a card. (Equipment, Auras you control, and counters are modifications.)

Mary Jane Watson

Whenever a Spider you control enters, draw a card. This ability triggers only once each turn.

Forest

Spider-Man, Web-Slinger

Web-slinging {W} (You may cast this spell for {W} if you also return a tapped creature you control to its owner's hand.)

University Campus

This land enters tapped.
{T}: Add {W} or {U}.
{4}, {T}: Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Radioactive Spider

Reach, deathtouch
Fateful Bite — {2}, Sacrifice this creature: Search your library for a Spider Hero card, reveal it, put it into your hand, then shuffle. Activate only as a sorcery.

Spider-Mobile

Trample
Whenever this Vehicle attacks or blocks, it gets +1/+1 until end of turn for each Spider you control.
Crew 2

Spider-Man Noir

Menace
Whenever a creature you control attacks alone, put a +1/+1 counter on it. Then surveil X, where X is the number of counters on it. (Look at the top X cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Wisecrack

Target creature deals damage equal to its power to itself. If that creature is attacking, Wisecrack deals 2 damage to that creature's controller.

Grow Extra Arms

This spell costs {1} less to cast if it targets a Spider.
Target creature gets +4/+4 until end of turn.

Spider-Suit

Equipped creature gets +2/+2 and is a Spider Hero in addition to its other types.
Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

Sudden Strike

Destroy target attacking or blocking creature.

Scout the City

Choose one —
• Look Around — Mill three cards. You may put a permanent card from among them into your hand. You gain 3 life. (To mill three cards, put the top three cards of your library into your graveyard.)
• Bring Down — Destroy target creature with flying.

Parker Luck

At the beginning of your end step, two target players each reveal the top card of their library. They each lose life equal to the mana value of the card revealed by the other player. Then they each put the card they revealed into their hand.

Swamp

Wall Crawl

When this enchantment enters, create a 2/1 green Spider creature token with reach, then you gain 1 life for each Spider you control.
Spiders you control get +1/+1 and can't be blocked by creatures with defender.

Silk, Web Weaver

Web-slinging {1}{G}{W} (You may cast this spell for {1}{G}{W} if you also return a tapped creature you control to its owner's hand.)
Whenever you cast a creature spell, create a 1/1 green and white Human Citizen creature token.
{3}{G}{W}: Creatures you control get +2/+2 and gain vigilance until end of turn.

Spider-Byte, Web Warden

When Spider-Byte enters, return up to one target nonland permanent to its owner's hand.

Plains

Silver Sable, Mercenary Leader

When Silver Sable enters, put a +1/+1 counter on another target creature.
Whenever Silver Sable attacks, target modified creature you control gains lifelink until end of turn. (Equipment, Auras you control, and counters are modifications.)

Spider-Ham, Peter Porker

When Spider-Ham enters, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")
Animal May-Ham — Other Spiders, Boars, Bats, Bears, Birds, Cats, Dogs, Frogs, Jackals, Lizards, Mice, Otters, Rabbits, Raccoons, Rats, Squirrels, Turtles, and Wolves you control get +1/+1.

Madame Web, Clairvoyant

You may look at the top card of your library any time.
You may cast Spider spells and noncreature spells from the top of your library.
Whenever you attack, you may mill a card. (You may put the top card of your library into your graveyard.)

Web Up

When this enchantment enters, exile target nonland permanent an opponent controls until this enchantment leaves the battlefield.

Flash Thompson, Spider-Fan

Flash
When Flash Thompson enters, choose one or both —
• Heckle — Tap target creature.
• Hero Worship — Untap target creature.

Spider-Bot

Reach
When this creature enters, you may search your library for a basic land card, reveal it, then shuffle and put that card on top.

Heroes' Hangout

Choose one —
• Date Night — Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.
• Patrol Night — One or two target creatures each get +1/+0 and gain first strike until end of turn.

Kapow!

Put a +1/+1 counter on target creature you control. It fights target creature an opponent controls. (Each deals damage equal to its power to the other.)

Bant Panorama

{T}: Add {C}.
{1}, {T}, Sacrifice this land: Search your library for a basic Forest, Plains, or Island card, put it onto the battlefield tapped, then shuffle.

School Daze

Choose one —
• Do Homework — Draw three cards.
• Fight Crime — Counter target spell. Draw a card.

Spectacular Tactics

Choose one —
• Put a +1/+1 counter on target creature you control. It gains hexproof until end of turn.
• Destroy target creature with power 4 or greater.

Masked Meower

Haste
Discard a card, Sacrifice this creature: Draw a card.

Commander's Sphere

{T}: Add one mana of any color in your commander's color identity.
Sacrifice this artifact: Draw a card.

Spiders-Man, Heroic Horde

Web-slinging {4}{G}{G} (You may cast this spell for {4}{G}{G} if you also return a tapped creature you control to its owner's hand.)
When Spiders-Man enters, if they were cast using web-slinging, you gain 3 life and create two 2/1 green Spider creature tokens with reach.

Romantic Rendezvous

Suburban Sanctuary

This land enters tapped.
{T}: Add {G} or {W}.
{4}, {T}: Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

The Clone Saga

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Surveil 3.
II — When you next cast a creature spell this turn, copy it, except the copy isn't legendary.
III — Choose a card name. Whenever a creature with the chosen name deals combat damage to a player this turn, draw a card.

Sun-Spider, Nimble Webber

During your turn, Sun-Spider has flying.
When Sun-Spider enters, search your library for an Aura or Equipment card, reveal it, put it into your hand, then shuffle.

Scarlet Spider, Kaine

Menace (This creature can't be blocked except by two or more creatures.)
When Scarlet Spider enters, you may discard a card. If you do, put a +1/+1 counter on him.
Mayhem {B/R} (You may cast this card from your graveyard for {B/R} if you discarded it this turn. Timing rules still apply.)

Web-Shooters

Equipped creature gets +1/+1 and has reach and "Whenever this creature attacks, tap target creature an opponent controls."
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Spider-Rex, Daring Dino

Reach, trample
Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)

Guy in the Chair

{T}: Add one mana of any color.
Web Support — {2}{G}, {T}: Put a +1/+1 counter on target Spider. Activate only as a sorcery.

Araña, Heart of the Spider

Whenever you attack, put a +1/+1 counter on target attacking creature.
Whenever a modified creature you control deals combat damage to a player, exile the top card of your library. You may play that card this turn. (Equipment, Auras you control, and counters are modifications.)

Spider Manifestation

Reach
{T}: Add {R} or {G}.
Whenever you cast a spell with mana value 4 or greater, untap this creature.