Although the cycling ability can be activated only if the card is in a player’s hand, it continues to exist while the object is on the battlefield and in all other zones. Therefore objects with cycling will be affected by effects that depend on objects having one or more activated abilities.
July 13, 2013 · Magic 2014
Urza block cards with the echo ability were printed without an echo cost. These cards have been given errata in the Oracle card reference; each one now has an echo cost equal to its mana cost.
September 30, 2011 · Innistrad
A creature with horsemanship can't be blocked by creatures without horsemanship. A creature with horsemanship can block a creature with or without horsemanship. (See rule 509, "Declare Blockers Step.")
June 17, 2011 · Commander 2011
A creature with horsemanship can’t be blocked by creatures without horsemanship. A