Renowned Weaver
Creature — Human Shaman
, Sacrifice this creature: Create a 1/3 green Spider enchantment creature token with reach. (It can block creatures with flying.)
"You think your weaving as beautiful as mine? Let me show you the true meaning of the craft."
Yohann Schepacz
Journey into Nyx (JOU)
• #137Rulings
If Renowned Weaver is attacking or blocking, and you activate its ability before combat damage is assigned and dealt, it won't deal combat damage. If it was blocking a creature, that creature will remain blocked. If you don't activate the ability before the combat damage step, it must survive combat for its ability to be activated later.
(wotc • 2014-04-26)
Rulings
If Renowned Weaver is attacking or blocking, and you activate its ability before combat damage is assigned and dealt, it won't deal combat damage. If it was blocking a creature, that creature will remain blocked. If you don't activate the ability before the combat damage step, it must survive combat for its ability to be activated later.
(wotc • 2014-04-26)