When Contagion Clasp enters, put a -1/-1 counter on target creature. {4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

When this artifact enters, put a -1/-1 counter on each creature target player controls. {4}, {T}: Proliferate twice. (Choose any number of permanents and/or players, then give each another counter of each kind already there. Then do it again.)

Whenever a creature dies, if it had a -1/-1 counter on it, put a -1/-1 counter on target creature.

Whenever a creature you control dies, put a loyalty counter on Lolth. 0: You draw a card and you lose 1 life. −3: Create two 2/1 black Spider creature tokens with menace and reach. −8: You get an emblem with "Whenever an opponent is dealt combat damage by one or more creatures you control, if that player lost less than 8 life this turn, they lose life equal to the difference."

Whenever a creature you control enters, draw a card if its power is 3 or greater. Otherwise, put two +1/+1 counters on it.

Wither (This deals damage to creatures in the form of -1/-1 counters.) Whenever a creature an opponent controls with a -1/-1 counter on it dies, you may return that card to the battlefield under your control.

Destroy all creatures. They can't be regenerated.

Whenever a creature you control dies, each other player sacrifices a creature of their choice.

Put a -1/-1 counter on target creature, two -1/-1 counters on another target creature, and three -1/-1 counters on a third target creature.

Equipped creature has "{2}: This creature gets +1/+0 until end of turn." Whenever equipped creature deals damage to a blocking creature, this Equipment deals that much damage to each other creature defending player controls. Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

+2: Put a -1/-1 counter on up to one target creature. −3: Destroy target creature with a -1/-1 counter on it. −10: Return all creature cards from your graveyard to the battlefield.

({T}: Add {G}.)

Reach Whenever an opponent casts an instant or sorcery spell, create a 1/2 green Spider creature token with reach.

Enchant player Whenever a nontoken creature enchanted player controls dies, exile it and you create a 1/2 green Spider creature token with reach.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead. If an effect would put one or more counters on a permanent you control, it puts twice that many of those counters on that permanent instead.

Create X tokens that are copies of target token you control. Then tokens you control gain indestructible until your next turn. You gain 1 life for each token you control.

Reach Delirium — When Ishkanah enters, 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.

For each creature token on the battlefield, its controller creates a token that's a copy of that creature. Flashback {4}{G}{G}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

If one or more tokens would be created, twice that many of those tokens are created instead. If one or more +1/+1 counters would be put on a creature, twice that many +1/+1 counters are put on that creature instead.

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.

For each token you control, create a token that's a copy of that permanent.

Deathtouch, ward {2} Other Spiders you control have deathtouch and ward {2}. Whenever another creature dealt damage this turn by a Spider you controlled dies, create a token that's a copy of that creature, except it's a Food artifact with "{2}, {T}, Sacrifice this token: You gain 3 life," and it loses all other card types.