Does Fearow's Agility attack block Kangaskhan's Fetch?
Actually it does not; Fearow's Agility says stops damage done to Fearow, and the Fetch just draws a card. This is the new ruling from R&D.
Source: WotC Chat (2000-02-03)

Relevant cards

Note: All applicable cards may not be listed below.
COL1_45
HGSS3_28
EXP_12