Angelsong
Instant
Prevent all combat damage that would be dealt this turn.
Cycling 
Clash of sword and cry of beast fall mute when angels sound the call to prayer.
Sal Villagran
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)
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)