Ishkanah, Broodmother

Reach
Other Spiders you control get +1/+2.
{1}{B/G}, Exile two cards from your graveyard: Draft a card from Ishkanah, Broodmother's spellbook.

Alchemy: Innistrad

Reach
Other Spiders you control get +1/+2.
{1}{BG}, Exile two cards from your graveyard: Draft a card from Ishkanah, Broodmother's spellbook.

Spider Spawning

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.)

A forest-wide network of webs brings a hungry couple to captured prey.

Twin-Silk Spider

Reach
When Twin-Silk Spider enters, create a 1/2 green Spider creature token with reach.

"If a careless elf ends up caught in a spider's web, we must expect nature to take its course. Do not blame the spider for being a spider."
—Dellin Berting, Tolarian entomologist

Mammoth Spider

Reach (This creature can block creatures with flying.)

"You don't find many old werewolf hunters."
—Paulin, trapper of Somberwald

Prey Upon

Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)

In the rich jungles of Yavimaya, bright colors are the perfect camouflage.

Snarespinner

Reach
Whenever Snarespinner blocks a creature with flying, Snarespinner gets +2/+0 until end of turn.

Travelers in the Somberwald scan the ground for werewolves and other threats, unaware of what lurks above.

Brood Weaver

Reach
When Brood Weaver dies, create a 1/2 green Spider creature token with reach.

Though their forms embody Lolth's image, driders are those unfortunate drow who have failed the Spider Queen.

Drider

Reach
Whenever Drider deals combat damage to a player, create a 2/1 black Spider creature token with menace and reach.

Deep within the endless webs of cloning silk, the weaver awaits.

Arachnoform

Enchant creature
Enchanted creature gets +2/+2, has reach, and is every creature type.

Fed up with webs impeding travelers in other realms, Kolvori banished the giant spiders to Gnottvold, where their webs snare only the occasional rampaging troll.

Gnottvold Recluse

"Your first reaction may be to stand very still and hope she didn't see you. Trust me, she did."
—Endril, Kalonian naturalist

Sentinel Spider

Glowstone Recluse

Mutate {3}{G} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
Reach
Whenever this creature mutates, put two +1/+1 counters on it.

After years of taunts and aerial assaults from Rankle's minions, the witches of Maraleaf Forest acquired new familiars.

Sporecap Spider

It is an expert at culling individuals who stray too far from the herd.

Netcaster Spider

Reach (This creature can block creatures with flying.)
Whenever Netcaster Spider blocks a creature with flying, Netcaster Spider gets +2/+0 until end of turn.

Hatchery 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 converted mana cost X or less from among them onto the battlefield. Put the rest on the bottom of your library in a random order.

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.

There are no safe paths through the Trial of Strength.

Spidery Grasp

Untap target creature. It gets +2/+4 and gains reach until end of turn. (It can block creatures with flying.)