Reach (This can block creatures with flying.) Cycling (, Discard this card: Draw a card.)
Weavers' webs wall off swaths of territory more effectively than any portcullis made of iron.
Official Rulings for Jungle Weaver
10/1/2008 : Cycling is an activated ability. Effects that interact with activated abilities (such as Stifle or Rings of Brighthearth) will interact with cycling. Effects that interact with spells (such as Remove Soul or Faerie Tauntings) will not.