Fend Off
Instant
Prevent all combat damage that would be dealt by target creature this turn.
Cycling 
(, Discard this card: Draw a card.)
The best defense is to not get hit.
Paolo Parente
Urza's Destiny (UDS)
• #7Rulings
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.
(wotc • 2008-10-01)
Rulings
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.
(wotc • 2008-10-01)